Parker PAC, Installation Manual, Page: 75 / 197

Variable
Variable Data Type Explanation
DigitalInputn BOOL Digital input (n=0...15)
DigitalOutputn BOOL Digital output (n=0...7)
reserved BOOL Unused output addresses
Terminals
Module Power Supply
L+ 24 VDC
L- 0 V
NOTE: Connect L+ to both L+ terminals if the total current exceeds the 6A limit. L+ and L- on both the
inputs and outputs are internally connected.
Status LEDs
The LED labeled "EtherCAT Run" indicates the state of the EtherCAT ASIC. The LED labeled "IO" indicates
the state of the Module inputs and outputs. The LED labeled "Power" indicates the state of the
I/O power supply; the Module is not monitored for low voltage status.
State LED Flash Code Explanation
Init Off Initializing, no data exchange
Pre-Op Off/green, 1:1 Pre-operational, no data exchange
Safe-Op Off/green, 5:1 Safe operation, inputs readable
Op Green, on Operational, unrestricted data exchange
IO
State LED Flash Code Explanation
Ok Off No error
SC Red, on Short-circuited digital output
Traffic Green, flashing Exchanging telegrams
Power
State LED Flash Code Explanation
On Green, on 24 VDC supply ok
Off Off 24 VDC supply not ok
State LED Flash Code Explanation
On Green, on Input signal TRUE / output enabled
Off Off Input signal FALSE / output disabled