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Absolute Encoder Interface Board Section 8-3
4. Connect to compatible encoder.
8-3-8 Specifications
Absolute Encoder Input Specifications
Pulse Inputs
Item Specifications
Name Absolute Encoder Interface Board
Model number CQM1H-ABB21
Applicable CPU Unit CQM1H-CPU51/61
Unit classification CQM1H-series Inner Board
Mounting locations and number of
Boards
1 Board can be mounted in slot 2.
Absolute Encoder inputs 2 inputs (Refer to Pulse Inputs below for details.)
Settings None
Indicators Front: Eight LEDs
1 each of Ready (RDY), Error (ERR)
2 each of Bit 2
0
ON (IN@), Incrementing (INC@), and Decrementing (DEC@)
Front connections Connectors CN1 and CN2 (Compatible connector: Sockets and Hood provided
as standard accessories.)
Current consumption (Supplied from
Power Supply Unit)
5 V DC 150 mA max.
Dimensions 25 × 110 × 107 mm (W × H × D)
Weight 90 g max.
Standard accessories Sockets: XM2D-1501 (OMRON) x 2
Hoods: XM2S-1511 (OMRON) x 2
Item Specifications
Number of input points Two points
Input code Binary gray code
Operating modes BCD Mode or 360° Mode (Set in PC Setup.)
Resolutions 8-bit, 10-bit, or 12-bit (Set in PC Setup.)
Origin compensation Yes (Current position can be designated as origin), compensation is set in PC
Setup.
Counting rate 4 kHz max.
Storage locations of counter PVs Port 1: IR 233 (leftmost digits) and IR 233 (rightmost digits)
Port 2: IR 235 (leftmost digits) and IR 234 (rightmost digits)
Data is stored as 4-digit BCD.
Note The range of values is determined by the operating mode (BCD or
360°) and the resolution (8, 10, or 12 bits).
Control methods Target value match Up to 48 target values and interrupt subroutine numbers registered.
Range comparison Up to 8 upper limits, lower limits, and interrupt subroutine numbers
registered.
Item Specifications
Input voltage 24 V DC +10%, –15%
Input impedance 5.4 kΩ
Input current 4 mA typical
ON voltage 16.8 V DC min.
OFF voltage 3.0 V DC max.
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