Status indicators – Rockwell Automation 440R-S845AER-NNL MSR57P GuardMaster Speed Monitoring Safety Relay User Manual

Page 5

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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

(1)

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.

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