User`s guide

Signal Connections • 27
3.8 Deviation Counter Clear Signal ERC
The deviation counter clear signal (ERC) is active in the following 4
situations:
1. home return is complete;
2. the 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 relative signal name, pin number and axis number are shown in the
following table.
CN2 Pin No Signal Name Axis #
8 ERC1 •
26 ERC2 ‚
58 ERC3 ƒ
76 ERC4 „
The ERC signal is used to clear the deviation counter of servomotor driver.
The ERC output circuit is in the open collector with maximum 35 V external
power at 50mA driving capability. For more details of the ERC operation,
please refer to section 4.2.3.
35V 50mA Maximum
ERC
From PCL5023
EXGND
Inside PCI-8134
CN2