5 Operation PROline Prosonic Flow 93 PROFIBUS-DP/-PA
78 Endress+Hauser
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
compartment.
1. Switch off power supply.
2. Remove the I/O board
Page 137 ff.
3. Configure hardware write protection appropriately using the jumpers (Fig. 63).
4. Installation of the I/O board is the reverse of the removal procedure.
Fig. 63: Hardware configuration (I/O board)
1 Jumper for hardware write protection:
1.1 Enabled (factory setting) = Access to device parameters via PROFIBUS possible
1.2 Disabled (factory setting) = access to device parameters via PROFIBUS not possible
2 Jumpers with no function
LED (light-emitting diode at the back of the board):
– Lit continuously
Ready for operation
– Not lit
Not ready
– Flashing
Critical fault (no connection to measuring amplifier)
1
1.21.1
2
LED
F06-xxxPBxxxx-16-xx-xx-xx-000
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