Status indicators – Rockwell Automation 440R-S845AER-NNL MSR57P GuardMaster Speed Monitoring Safety Relay User Manual
Page 5
GuardMaster MSR57P Speed Monitoring Safety Relay 5
Publication 440R-IN016B-EN-P - November 2008
Status Indicators
When you apply power to the device, the red/green indicators flash alternate colors twice and
the Config Lock indicator flashes on and off twice before all indicators except for the
PWR/Fault indicator turn off. The PWR/Fault indicator remains flashing until the device
enters Run or Program mode.
Indicator
Status
Description
PWR/Fault
(1)
(1)
PWR/Fault green indicator and Config Lock indicator flash in synch when the device is in Program mode.
Green/On
The device is operating normally and is in Run mode.
Red/Flashing
A recoverable fault has occurred.
Red/On
A nonrecoverable fault has occurred.
Red/Green Flashing
The configuration is being downloaded or a firmware upgrade is in
progress.
Config Lock
Yellow/On
The device’s configuration is locked.
Yellow/Flashing
The device’s configuration is unlocked.
Stop
Green/On
The Safe Stop (SS) input is closed.
Red/On
The SS input is open or pressed.
Red/Flashing
The SS input has a fault.
Limited
Speed
Green/On
The Safe Limited Speed (SLS) input is closed for normal Run
operation.
Green/Flashing
The SLS input is open for a safe speed request to allow access to
the machine (Maintenance operation).
Off
The SLS function is not configured.
Red/Flashing
The SLS input has a fault.
Motion Power Green/On
The Motion Power (MP) output is ON.
Off
The MP output is OFF.
Red/Flashing
The MP output has a fault.
Door
Green/On
The door is closed.
Red/On
The door is open.
Red/Flashing
Door Monitor or Lock Monitor input switch has a fault.
Off
Door monitoring is not configured.
Safe Speed
Green/On
Safe Limited Speed is being actively monitored and is below the
configured Safe Limited Speed value after an SLS request has
been made.
Off
Safe Limited Speed is not being monitored.
Red/Flashing
An SLS Speed Fault has occurred.
Standstill
Green/On
Standstill Speed has been detected.
Off
Speed is greater than the configured Standstill Speed.
Red/Flashing
Motion has been detected after stopped condition or a Stop Speed
Fault has occurred.