CNGmass DCI
Operation
Hauser
39
5.4.6
Switching HART write protection on and off
A jumper on the I/O board provides the means of switching HART write protection on or off.
#
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.
71 or
3.
Switch HART write protection on or off, as applicable, by means of the jumper (
4.
Installation of the I/O board is the reverse of the removal procedure.
A0001212
Fig. 21:
Switching HART write protection on and off
1
Write protection OFF (default), that is: HART protocol unlocked
2
Write protection ON, that is: HART protocol locked
1
2
INPUT/OUTPUT
4
INPUT/OUTPUT
3
INPUT/OUTPUT
2