
Installation and Set-up
1-15
SIMATIC TI505/TI500 MODNIM User Manual
The
MODNIM has six indicator lights (or LEDs) located on the faceplate of
the module (see Figure 1-1
1). These lights indicate the operational or
diagnostic status of the module as described below
.
NIM
GOOD
PC/NIM COMM GOOD
ONLINE
RECEIVE
TRANSMIT
TEST MODE
NIM
GOOD
PC
GOOD
XMT REC
ON
LINE TEST
Series
500 MODNIM
Series 505 MODNIM
Figure 1-11 Series
505 and 500 MODNIM Indicator Lights
T
able 1-2 shows how to interpret the status of the six indicator lights on the
faceplate of the MODNIM during normal operation. Section 1.6 describes
additional interpretations of the indicator lights during diagnostic testing.
T
able 1-2
Status of Indicator Lights
Indicator Status Description
NIM GOOD On
All power-on, reset, or run-time diagnostic
tests have been passed successfully;
MODNIM operating correctly.
PC/NIM COMM GOOD
(PC GOOD)
On Communicating successfully with PLC
ONLINE
On
Flashing
Connected to the network: Remote mode
Connected to the network: Local mode
RECEIVE (REC) On Receiving data over the network
TRANSMIT (XMT) On Transmitting data over the network
TEST MODE (TEST)
On
On
Flashing
MODNIM in Test mode
Failure detected after power-up diagnostics
Tests completed
Status
Indicator
Lights
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