ADLINK PCI-8154 - Manual (Page 40)

30 Signal Connections
3.7 Deviation Counter Clear Signal ERC
The deviation counter clear signal (ERC) is active in the following
4 situations:
1. Home return is complete
2. End-limit switch is active
3. An alarm signal stops OUT and DIR signals
4. An emergency stop command is issued by software
(operator)
The signal names, pin numbers, and axis numbers are shown in
the table below:
The ERC signal is used to clear the deviation counter of the servo-
motor driver. The ERC output circuit is an open collector with a
maximum of 35V at 50mA driving capacity.
CN3 Pin No Signal Name Axis #
8 ERC0 0
26 ERC1 1
58 ERC2 2
76 ERC3 3