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Allied Motion's CP-800/900 series are size-25 (2.5 in. (63.5mm)) rotary optical encoders, available as solid or hollow shaft models with incremental, sine/cosine, absolute (single- or multi-turn) encoding formats. These rugged units have their own bearing system, and are fully enclosed in a metal housing sealed up to IP66.
CP-800 models have a solid shaft and are offered with either a square or servo flange. CP-900 models have a hollow shaft design with a hub-shaft accepting up to 0.5" (12.7 mm) shafts. A face mounted spring absorbs installation misalignment.
CP-800/900 encoders offer exceptional resolution of up to 5 million counts per rev. or 16-bit absolute (24-bit multi-turn absolute), enabling their use in high precision positioning applications. Custom designs are available to suit special requirements.
Features & Benefits
- Industry-standard size-25 fits/retrofits easily in many applications
- Both solid– and hollow-shaft models for application flexibility
- Incremental, sine/cosine, single– and multi-turn absolute versions
- Shielded ABEC-7 bearings for smooth, long-life operation
- Rugged aluminum housing with IP65-rated protection
- Choice of side or rear-exit connector or cable
Options
- Special line counts and index
- Custom connector or cable version
- Sealed bearings (IP65) and housing (IP66)
- Extended temperature range: -25ºC to +100ºC
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- Robust solid– or hollow-shaft size-25 rotary optical encoders
- Up to 5 million counts/rev (max frequency response 4 MHz)
- Absolute single turn resolution up to 16-bit
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Incremental Encoders
Model
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CP-800/900
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CP-850/950
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CP-870/970
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CP-850/950 HHC
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Type
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Incremental, sine/cosine
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Incremental, digital
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Incremental, digital, line driver
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Incremental, digital, high count
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Format
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A quad B, index
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A quad B, index, inverses
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A quad B, index, inverses
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A quad B, index, inverses
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Resolution (cycles/rev)
1 cycle/rev = 4 cts/rev
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96, 100, 110, 120, 128, 155, 192, 200, 210, 220, 240, 254, 256, 280, 288, 300, 310, 360, 384, 400, 480, 500, 576, 600, 720, 800, 850, 1000, 1024, 1100, 1250, 1800, 2000, 3600, 5000, 5625, 6000
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16, 32, 50, 96, 100, 110, 120, 128, 155, 192, 200, 210, 220, 240, 254, 256, 280, 288, 300, 310, 360, 384, 400, 480, 500, 508, 512, 560, 576, 600, 720, 768, 800, 850, 960, 1000, 1152, 1200, 1440, 1700, 2000, 2048, 3600, 4000, 4096, 5000, 7200, 8192, 10000, 11250, 12000, 16384
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16, 32, 50, 96, 100, 110, 120, 128, 155, 192, 200, 210, 220, 240, 254, 256, 280, 288, 300, 310, 360, 384, 400, 420, 480, 500, 508, 512, 560, 576, 600, 720, 768, 800, 850, 960, 1000, 1024, 1152, 1200, 1440, 1700, 2000, 2048, 3600, 4000, 4096, 5000, 7200, 8192, 10000, 11250, 12000, 16384
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25k, 25.6k, 31.25k, 32k, 50k, 51.2k, 62.5k, 64k, 90k, 100k, 102.4k, 112.5k, 125k, 128k, 156.25k, 180k, 200k, 204.8k, 225k, 250k, 256k, 312.5k, 360k, 400k, 409.6k, 450k, 500k, 512k, 625k, 720k, 819.2k, 900k, 1000k, 1024k, 1250k
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Frequency Response
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100 kHz
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300 kHz
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300 kHz
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4 MHz
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Accuracy
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±12 arcsec (typ.)
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Repeatability
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1 arc sec
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± 1 count
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± 1 count
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± 1 count
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Output
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Op amp (TIL084)
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TTL/74LS04
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Line driver
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Line driver*
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Power Supply (VDC)
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+5, +12 (50 mA max. ea.)
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+5 (100 mA max.)
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+8 to +30 (150 mA max.)
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+5 (250 mA max.)
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* Recirculating quadrature counter recommended as receiving device (e.g., HP HCTL-2000, -2016, -2020, or LSI 7166)Incremental Encoder Connections (Connector: MS3102R-18-1P)
Connection
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A
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A Inv.
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B
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B Inv.
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Index
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Index Inv.
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+5 VDC
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Common
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Shield
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Connector Pin
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A
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G
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B
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H
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C
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I
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E
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F
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J
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Absolute Encoders
Model
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CP-850/950-12GC
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CP-850/950-14GC
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CP-850/950-12NB
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Type
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Absolute, 12-bit
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Absolute, 14-bit
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Absolute, 12-bit
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Format
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Parallel Gray Code
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Parallel Gray Code
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Parallel Natural Binary
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Frequency Response
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100 kHz min. word rate
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Output
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TTL compatible
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Direction Input
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N/A
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N/A
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TTL/CMOS (5V)
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Power Supply
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+5 VDC ±10%, (100mA max.)
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Model
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CP-850/950-12GC/3600
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CP-850/950-12BD
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CP-850/950-12ANx
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Type
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Absolute, 0.1° step
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Absolute, BCD
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Absolute, analog
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Format
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Parallel Gray Code, 12-bit excess 248
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Parallel BCD
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12 bits (4096 steps)
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Frequency Response
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100 kHz min. word rate
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50µs latency
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Output
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TTL compatible
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0 - 10 V (std.), 4-20 mA (opt.)
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Direction Input
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N/A
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N/A
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TTL/CMOS (5V)
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Power Supply
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+5 VDC ±10%, (100mA max.)
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+12.6 TO +16.6, (100mA max.)
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Absolute Encoder Connections (Connector: KPT00A-14-19P, except MS3102R-16S-1P for model CP-850/950-12ANx)
CP-850/950-12GC
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CP-850/950-14GC
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CP-850/950-12NB
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CP-850/950-12GC/3600
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CP-850/950-12BD
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CP-850/950-12ANx
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Signal
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Pin
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Signal
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Pin
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Signal
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Pin
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Signal
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Pin
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Signal
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Pin
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Signal
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Pin
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G0
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A
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G0
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P
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B0
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A
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G0
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A
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B1
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A
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Iout
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A
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G1
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B
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G1
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S
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B1
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B
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G1
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B
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B2
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B
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Iout (rtn.)
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B
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G2
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C
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G2
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A
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B2
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C
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G2
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C
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B4
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C
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Vout
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C
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G3
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D
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G3
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B
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B3
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D
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G3
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D
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B8
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D
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Vout (rtn.)
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D
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G4
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E
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G4
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C
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B4
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E
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G4
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E
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B10
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E
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Direction
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E
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G5
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F
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G5
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D
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B5
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F
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G5
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F
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B20
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F
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+15 VDC
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F
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G6
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G
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G6
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E
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B6
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G
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G6
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G
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B40
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G
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Common
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G
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G7
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H
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G7
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F
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B7
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H
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G7
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H
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B80
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H
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Ground
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H
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G8
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J
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G8
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G
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B8
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J
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G8
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J
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B100
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J
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G9
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K
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G9
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H
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B9
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K
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G9
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K
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B200
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K
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G10
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M
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G10
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J
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B10
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M
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G10
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M
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B400
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M
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G11
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N
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G11
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K
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B11
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N
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G11
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N
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B800
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N
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+5 VDC
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V
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G12
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M
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Direction
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L
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+5 VDC
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V
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B1000
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P
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Common
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T
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G13
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N
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+5 VDC
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V
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Common
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T
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B2000
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R
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Ground
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S
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+5 VDC
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V
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Common
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T
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Ground
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S
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B4000
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U
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Common
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T
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Ground
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S
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Direction
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L
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Ground
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shield
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+5 VDC
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V
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Common
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T
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Ground
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S
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Mechanical
Model
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Units
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CP-800 Series
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CP-900 Series
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Shaft Diameter
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in (mm)
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0.3745/0.3748 (9.512/9.520)
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0.5 (12.7) max.
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Shaft Play
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in (mm)
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0.05 (1.27) axial; 0.005 (0.127) radial
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Shaft Loading
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lb (N)
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40 (178) axial; 35 (156) radial
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Shaft Runout, T.I.R.
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in (mm)
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0.0005 (0.0127)
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Shaft Material
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416 stainless steel
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Shaft Rotation
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Continuous, reversible
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Bearing Type
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ABEC-7
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Starting Torque
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oz-in (mNm)
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1.5 (10.6) max. at 20 ºC
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Inertia
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oz-in-s² (kgm²)
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4.1E-4 (2.9E-6)
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Slew Speed
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RPS (RPM)
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160 (9600)
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Shock
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g
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50 at 11 ms
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Vibration
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Hz
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5 - 2000 Hz at 20g
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Operating Temperature
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ºC
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-20 to +90
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Humidity
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%
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98 (without condensation)
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Protection Rating
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IP54 (IP65 with shaft seal)
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Housing Material
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Aluminum (flange and cover)
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Weight
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lb (kg)
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13 (0.369)
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CP-800 Solid Shaft CP-900 Hollow Shaft
Note: All waveforms shown are for CW rotation viewed from encoder shaft endCP-800/900 CP-850/950, CP-850/950-HHC, CP-870/970 CP-850/950-12GC, CP-850/950-12GC/3600 CP-850/950-14GC CP-850/950-12BD CP-850/950-12NB CP-850/950-12ANx
Incremental
Cable/Connector
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A
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rear cable
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B
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side cable
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C
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rear connector
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D
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side connector
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Shaft Bore Size
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Enter bore size as inch fraction or whole number for metric (mm): Inch: 3/32, 3/16, 1/4, 5/16, 3/8, 1/2 Metric: 4, 5, 6, 8, 10, 11, 12 (mm)
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Absolute
Cable/Connector
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A
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rear cable
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B
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side cable
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C
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rear connector
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D
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side connector
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Shaft Bore Size
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Enter bore size as inch fraction or whole number for metric (mm): Inch: 3/32, 3/16, 1/4, 5/16, 3/8, 1/2 Metric: 4, 5, 6, 8, 10, 11, 12 (mm)
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Item No.
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Description
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Type
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Size
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N/A
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CP-800/900 Datasheet
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PDF
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562 kB
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TB-HHC01
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Technology Overview: High Resolution Incremental Encoders (HHC Series)
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PDF
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136 kB
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