Acuity AP820 Laser Scanners
Rev. 3.3
21
7.2
Encoder Position Data
The data for encoder positions are only available when A and B phases of an incremental
encoder are connected to the digital inputs 1 and 2.
Encoder inputs:
Protocol Incremental Signal A+B 90° Phase shifted
Input level Low = 0 ... 2 V High = 5 ... 30 V
Register
Bit No.
Meaning
Position generator
Reg.1; Byte 1525
6 to 0
Position generator Bit 6 to 0
Position generator
Reg.2; Byte 1526
6 to 0
Position generator Bit 13 to 7
Position generator
Reg.3; Byte 1527
6 to 0
Position generator Bit 20 to 14
Position generator
Reg.4; Byte 1528
5 to 0
6
Position generator Bit 26 to 21
Direction of movement of Position generator