Service and maintenance
10.4 Replace basic electronics
Maintenance during continued operation in a hazardous area
There is a risk of explosion when carrying out repairs and maintenance on the device in a
hazardous area.
● Isolate the device from power.
- or -
● Ensure that the atmosphere is explosion-free (hot work permit).
Impermissible accessories and spare parts
Risk of explosion in areas subject to explosion hazard.
● Only use original accessories or original spare parts.
● Observe all relevant installation and safety instructions described in the instructions for the
Improper connection after maintenance
Risk of explosion in areas subject to explosion hazard.
● Connect the device correctly after maintenance.
● Close the device after maintenance work.
Refer to Electrical data (Page 246).
10.4
Replace basic electronics
Condition
● You are familiar with the general procedure described in the section "General information on
installing option modules (Page 51)".
Procedure
Note
Possible movement of the actuator
While replacing the basic electronics, the actuator can unintentionally vent itself.
● Observe the procedure described below.
200
WARNING
WARNING
device or enclosed with the accessory or spare part.
WARNING
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE