Rockwell Automation 440R MSR300 Modular Safety Control System User Manual
Page 22
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MSR300 Safety System Manual
Rockwell Automation
MSR300 Manual.doc
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Y40, Y41, Y42
Reset configuration
S34
Start button
Y31 – Y33
Solid-state auxiliary outputs for groups 1, 2 and 3
Y10
+24V for reset circuit and feedback loops
Y11 – Y13
Feedback loop inputs for Groups 1, 2 and 3
4.1.2 LED Indicators
Function
Status LED
Group 1-2-3 LEDs
Power up / normal operation
Continuous on: green
---
Internal fault
Continuous on: red
---
Entering configuration mode
1 flash: red
---
Input switch fault or reset switch
closed during power up
2 flashes; red
---
Configuration change during
operation
3 flashes; red
---
Current configuration not as stored
on EEPROM
4 flashes; red
---
At least one muting lamp and one
reserve lamp defective
5 flashes; red
---
Invalid switch settings of input
modules
6 flashes; red
---
Invalid reset configuration (Y41,
Y42, S34 terminal jumpers)
7 flashes; red
---
Input terminal block not (or
improperly) plugged in
8 flashes; red
---
Group output active
---
Continuous on: green
Group ready
---
Blinking: green
At least one input corresponding to
the output group is faulty
---
Continuous on: red
A feedback (EDM) loop of the
output group is open, or no input is
assigned to the group
--- Off
LEDs "TxD1" and "TxD2" indicate RS232 data communication activity when flashing.