Parker PAC, Installation Manual, Page: 120 / 197

PACIO MODULES
120 Parker Automation Controller Installation Guide
grounded, preferably only on one end. For information on operative earth shielding of analog wire, see the
section Earth Grounding Guidelines
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.
State LED Flash Code Explanation
Init Red, on Initializing, no data exchange
Pre-Op Red/green, 1:1 Pre-operational, no data exchange
Safe-Op Red/green, 5:1 Safe operation, inputs readable
Op Green, on Operational, unrestricted data exchange
State LED Flash Code Explanation
Ok Green, on No error
Error
Off
Malfunction of Module if E-Bus LED = On
Inoperative if E-Bus LED = Off
Red, 2x Low voltage
Red, 3x Watchdog internal
Red, 4x EtherCAT watchdog control
Red, 7x
Configuration error (E-Bus pre-operational), number of process data
differs from that in the Module
Defective Red, on Module defective
Power
State LED Flash Code Explanation
On Green, on 24 VDC supply ok
Off Off 24 VDC supply not ok
Status LEDs of the IOs
The Status LEDs of the several IOs indicate the state of the individual I/Os.
Status LEDs of I/Os
LED
Voltage Color Explanation
0..3 24V Green Digital Inputs
4
24V
Green Digital Outputs
7, 9, 11 5V Green Encoder signals A, B, Ref