Ge P485 User Manual download pdf (Page 16)

2–6 P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE

INSTALLATION

CONFIGURATION

SWITCHES

The configuration switches are used to set the Profibus node address. Normally, these

switches are covered by a plastic hatch. Note that the node address can not be changed

during runtime, i.e. the P485 requires a reset for any changes to have effect. Recycle the

power supply to reset the module

Figure 2-10: P485 configuration switches

The node address is configured using two rotary switches as follows:

Profibus node address = (Switch B× 10) + (Switch A × 1)

Table 2–5: P485 status indicators

Number Description State Status

1 Profibus online Off Not online

Green Online

2 Profibus offline Off Not offline

Red Offline

3Not used- -

4Profibus

diagnostics

Off No diagnostics present

Red, flashing 1 Hz Error in configuration

Red, flashing 2 Hz Error in user parameter data

Red, flashing 4 Hz Error in initialisation

5 Subnet status *

(Modbus)

Off Power off

Green, flashing Initializing and not running

Green Running

Red Stopped or subnet error, or timeout

6 Device status Off Power off

Alternating Red/

Green

Invalid or missing configuration

Green Initializing

Green, flashing Running

Red, flashing If the device status LED is flashing in a

sequence starting with one or more red

flashes, note the sequence pattern and

contact GE Multilin

* This LED turns green when all transactions have been active at least once. This includes any

transactions using “change of state” or “change of state on trigger”. If a timeout occurs on a

transaction, this LED will turn red.

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