Protection Module (Prm) - SKF Multilog On-Line System IMx-M User Manual

Hardware
LED Indicators

Protection Module (PRM)

The following table summarizes the behavior of LED indicators on each protection module.
Table 4-11: PRM LED indicators.
LED Indicator
STATUS Ready
Circuit Fault
Trip Multiply
Disarm Config
ANALOG Ch1 to
Ch16*
Behavior listed in the
order of priority, high
to low (bigger # =
higher priority)
For Combined
Measurement type
CDE, see the separate
table, below.
Figure 4 -
22.
PRM Front
View.
4 - 32
Behavior Description
Red Internal PRM error
Green slow flash PRM configured & running
Green fast flash PRM startup
On Circuit fault
Off Circuit OK
Trip multiply active for one or more
On
channels
Off No trip multiply
On PRM & associated relays disarmed
Off PRM & associated relays armed
Channel not configured
Off (10)
The analog channel is not configured.
Ch Disarm + Ch Not OK/Alert/Danger
The analog channel is disarmed and the
current channel status is any
combination of:
Yellow fast flash (9)
- Analog ch is not OK, alert or danger
- Gap is alert and/or danger
- Combined measurement ch is alert
and/or danger
Ch Disarm + Ch OK
The analog channel is disarmed and the
current channel status is:
Green fast flash (8)
- Analog ch is OK
- Gap is OK
- Combined measurement ch is OK
Channel Circuit Fault (Not OK)
Toggle between green
The current channel status is:
/ red / yellow (7)
- Analog ch is not OK.
Channel Danger + Danger First Out
One of analog ch, Gap or combined
measurement ch is danger first out.
Current channel status is any
combination of:
Red slow flash (6)
- Analog ch is alert and danger
- Gap is alert and danger
- Combined measurement ch is alert and
danger
SKF Multilog On-Line System IMx-M
User Manual