Rockwell Automation Publication SAFETY-AT140A-EN-P - May 2015
19
Safety Function: Actuator Subsystems – Stop Category 1 via the PowerFlex 525 and PowerFlex 527 Drives with Safe Torque-off
3
Open and close the guarded door. The IN1 and IN2 status indicators must be steady
green. The OUT status indicator must blink green.
4
Press and release the Reset button. The Guardmaster dual-input safety relay OUT
status indicator must be steady green. The Guardmaster multifunction-delay
expansion module Logic IN and OUT status indicators must be steady green. The
hazardous motion must not start.
5
Press the external Start button. The machine must start to run. Monitor all status
indicators for proper operation. This step is optional in the following SensaGuard
switch validation tests.
6
With the guarded door closed, jump the gray wire to 24V. After approximately 40
seconds, the SensaGuard switch must trip. The Guardmaster dual-input safety relay
must trip. The SensaGuard switch flashes red. Monitor all status indicators for proper
operation.
7
Remove the jumper. Neither the SensaGuard switch nor the Guardmaster dual-input
safety relay respond. Press and release the Restart button. Nothing changes. Monitor
all status indicators for proper operation.
8
Cycle power to the SensaGuard switch. Approximately five seconds after power is
restored to the SensaGuard switch, the status indicator on the SensaGuard switch goes
steady green. The IN1 and IN2 status indicators of the Guardmaster dual-input safety
relay are steady green, and the OUT status indicator blinks green.
9
Press and release the Reset button. The Guardmaster dual-input safety relay must
reset; its OUT status indicator is steady green. The Guardmaster multifunction-delay
expansion module Logic IN and OUT status indicators must be steady green.
10
Jump S12 to DC COM. The Guardmaster dual-input safety relay trips immediately. The
status indicator on the SensaGuard switch blinks red. The Guardmaster dual-input
safety relay IN1, IN2, and OUT status indicators are OFF. The Guardmaster
multifunction-delay expansion module Login IN and OUT status indicators are OFF.
11
Remove the jumper. Neither the SensaGuard switch nor the Guardmaster dual-input
safety relay respond. Press and release the Reset button. Nothing changes.
12
Cycle power to the SensaGuard switch. Approximately five seconds after power is
restored to the SensaGuard switch, the status indicator on the SensaGuard switch goes
steady green. The IN1 and IN2 status indicators of the Guardmaster dual-input safety
relay are steady green and the OUT status indicator blinks green.
13
Press and release the Reset button. The Guardmaster dual-input safety relay and the
Guardmaster multifunction-delay expansion module must reset. Monitor all status
indicators for proper operation.
14 to 27
Repeat steps 1 through 13 using the Guardmaster terminal S22 in place of S12 and
"Safety B" in place of "Safety A."
28
Jump S12 to S22on the Guardmaster dual-input safety relay. After approximately 50
seconds, the SensaGuard switch trips. The Guardmaster dual-input safety relay and
the Guardmaster multifunction-delay expansion module trip.The SensaGuard switch
flashes red. Monitor all status indicators for proper operation.
29
Remove the jumper. Neither the SensaGuard switch nor the Guardmaster dual-input
safety relay or the Guardmaster multifunction-delay expansion module respond. Press
and release the Reset button. Nothing changes.
30
Cycle power to the SensaGuard switch. Approximately five seconds after power is
restored to the SensaGuard switch, the status indicator on the SensaGuard switch goes
steady green. The IN1 and IN2 status indicators of the Guardmaster dual-input safety
relay are steady green and the OUT status indicator blinks green.
31
Replace the SWS wire on L12 of the Guardmaster multifunction-delay expansion
module. The Logic IN and OUT status indicators are steady green. Press and release the
Start button to restore hazardous motion.
