EUCHNER AS - Manual (Page 5)

Safety Monitors - AS-i Quick Reference - 08/2014 5
1.3 States of ASi safety parts
LED State Description
ASI
green
Fault or State
red
on off Normal operation
AS-Interface power connected
on on No data transfer between master and slave.
Reason:
- Master in STOP-Mode
- Slave not in LPS
- Slave with wrong IO/ID
- Reset at slave active
blinking * on No data transfer between master and slave.
Reason: Slave-Address = 0
blinking or on blinking * Device failure in slave.
Please contact EUCHNER.
*
Blinking LEDs are not supported from all safety switches
LPS List Projected Slaves
IO/ID Slave profile to identify a slaves (Defined by manufacturer)
CET:
State LED ASI Description
Green Normal operation
Red No data transfer between master and slave.
Reason:
- Master in STOP-Mode
- Slave not in LPS
- Slave with wrong IO/ID
Red / Yellow
Alternately blinking
No data transfer between master and slave.
Reason: Slave-Address = 0
Red/green
Alternately blinking
Red blinking
Auxiliary power not connected or device failure in slave.
Please contact EUCHNER.