EVO 150 Controller
47
Appendix 9 / PLC I/O Board
The PLC I/O board allows the EVO 150 system to be remotely controlled by the customer's PLC.
There are eight control inputs (SERVO-CENTER, EDGE A, EDGE B, LINE / CENTERLINE,
MANUAL, IN, OUT, and AUXILIARY) and five status outputs (IN LIMIT, OUT LIMIT, SERVO-
CENTER LIMIT, AUTO MODE, and NO FAULT). All inputs and outputs are opto-isolated.
Warning: It is the responsibility of the customer to insure machine safety. Changing the
mode of operation from any source (front-panel switchpad or PLC I/O inputs) can cause
machine motion.
Note: All PLC I/O board inputs are opto-isolated, including the AUXILIARY input. If your
application requires a non-isolated AUXILIARY input, then set parameter 72 to 1. Refer to
page 21 for more information about setting controller parameters.
Electrical Specifications:
PLC I/O Board Inputs (per input)
On-state voltage (activated) 12 VDC minimum
24 VDC nominal
31 VDC maximum
On-state current (activated) 5.0 mA minimum
8.0 mA nominal
14 mA maximum
Off-state voltage (deactivated) 2.7 VDC maximum
Input impedance 2.2 K-ohms minimum
Isolation 30 VAC max. between any terminal
and ground
Duration (momentary mode only) 100 ms minimum
PLC I/O Board Outputs (per output)
Maximum customer-supplied voltage 31 VDC between any two terminals
Off-state leakage current 1.0 uA maximum
On-state resistance 2.5 ohms maximum
On-state continuous current 0.4 ADC maximum
On-state peak current 1.2 ADC for 100 msec, repeatable
every 2 seconds
Isolation 30 VAC max. between any terminal
and ground
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