Accessory 24E2A
ACC-24E2A TERMINAL BLOCK DESCRIPTION
The terminal blocks on the Acc-24E2A are described as TB1 Top, TB2 Top, TB3 Top, TB1 Bottom, TB2
Bottom, TB3 Bottom, TB1 Front and TB2 Front. The top connectors have the Encoder signals, the bottom
connectors have the Amplifier signals, and the front connectors contain the Limit and Flag signals.
Connector TB1 TOP - Encoder 1
Pin# Symbol Function Description Notes
1 CHA1+ Input Encoder 1 Positive A Channel
2 CHA1- Input Encoder 1 Negative A Channel
3 CHB1+ Input Encoder 1 Positive B Channel
4 CHB1- Input Encoder 1 Negative B Channel
5 CHC1+ Input Encoder 1 Positive C Channel Index channel
6 CHC1- Input Encoder 1 Negative C Channel Index channel
7 ENCPWR Output Digital Supply Power for encoder
8 GND Common Digital Reference
9 CHU1+/DIR_1+ I/O Supplemental Flag U or Direction 1+ Also Direction Output
10 CHV1+/DIR_1- I/O Supplemental Flag V or Direction 1- Also Direction Output
11 I/O Supplemental Flag W or Pulse Output 1+ Also Pulse Output
12 CHT1+/PUL_1- I/O Supplemental Flag T or Pulse Output 1- Also Pulse Output
CHW1+/PUL_1+
Connector TB2 Top - Encoder 2
Pin# Symbol Function Description Notes
1 CHA2+ Input Encoder 2 Positive A Channel
2 CHA2- Input Encoder 2 Negative A Channel
3 CHB2+ Input Encoder 2 Positive B Channel
4 CHB2- Input Encoder 2 Negative B Channel
5 CHC2+ Input Encoder 2 Positive C Channel Index channel
6 CHC2- Input Encoder 2 Negative C Channel Index channel
7 ENCPWR Output Digital Supply Power for encoder
8 GND Common Digital Reference
9 CHU1+/DIR_2+ I/O Supplemental Flag U or Direction 2+ Also Direction Output
10 CHV1+/DIR_2- I/O Supplemental Flag V or Direction 2- Also Direction Output
11 CHW1+/PUL_2+ I/O Supplemental Flag W or Pulse Output 2+ Also Pulse Output
12 CHT1+/PUL_2- I/O Supplemental Flag T or Pulse Output 2- Also Pulse Output
Connector TB3 Top – EQU Outputs
Pin# Symbol Function Description Notes
1 GND Common Reference Voltage
2 BEQU1 Output Compare Output 1
3 BEQU2 Output Compare Output 2
Acc-24E2 Terminal Block Description 39