Promag 53 PROFIBUS-DP/-PA 5 Operation
Endress+Hauser 83
5.5 Hardware configuration
5.5.1 Configuration of write protection
A jumper on the I/O board provides the means of activating or deactivating hardware
write protection.
Warning:
Risk of electric shock. Exposed components carry dangerous voltages. Make sure that
the power supply is switched off before you remove the cover of the electronics com-
partment.
1. Switch off power supply.
2. Remove I/O board
→ Page 123, 125.
3. Configure hardware write protection appropriately using the jumpers (Fig. 49).
4. Installation of the I/O board is the reverse of the removal procedure.
Fig. 49: Hardware configuration (I/O board)
1 Jumper for hardware write protection:
1.1 Enabled (factory setting) = access to flowmeter parameters via PROFIBUS possible
1.2 Disabled = access to flowmeter parameters via PROFIBUS not possible
2 Jumper with no function
LED (LED at the back of the board):
– lit continuously
→ ready for operation
– not lit
→ not ready
– flashes
→ critical fault (no connection to measuring amplifier)
1
1.21.1
2
LED
F06-xxxPBxxxx-16-xx-xx-xx-000
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