INSTALLATION
Table 2–5: P485 status indicators
Number | Description | State | Status |
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1 | Profibus online | Off | Not online |
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| Green | Online |
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2 | Profibus offline | Off | Not offline |
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| Red | Offline |
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3 | Not used | - | - |
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4 | Profibus | Off | No diagnostics present |
| diagnostics |
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| Red, flashing 1 Hz | Error in configuration | |
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| Red, flashing 2 Hz | Error in user parameter data |
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| Red, flashing 4 Hz | Error in initialisation |
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5 | Subnet status * | Off | Power off |
| (Modbus) |
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| Green, flashing | Initializing and not running | |
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| ||
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| Green | Running |
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| Red | Stopped or subnet error, or timeout |
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6 | Device status | Off | Power off |
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| Alternating Red/ | Invalid or missing configuration |
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| Green |
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| Green | Initializing |
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| Green, flashing | Running |
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| Red, flashing | If the device status LED is flashing in a |
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| sequence starting with one or more red |
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| flashes, note the sequence pattern and |
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| contact GE Multilin |
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*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.
CONFIGURATION The configuration switches are used to set the Profibus node address. Normally, these SWITCHES 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
A
B
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)
P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE |