ABB FSO-21, User Manual

Page: 510 / 540

510 Maintenance

Replacing the FB module in PROFIsafe network
1. Replace the FB module according to the instructions in FPNO-21 PROFINET
fieldbus adapter module user's manual (3AXD50000158614 [English]), or
FENA-01/-11/-21 Ethernet adapter module user's manual (3AUA0000093568
[English]).
2. Assign the device name for the FB module from the safety PLC (see section
Configuring the ABB AC500-S Safety PLC on page 231 or section Configuring the
Siemens SIMATIC Fail-safe S7 PLC on page 249 .
3. Update the revision and the serial number of the new FB module to the logbook of
the driven machine.

Replacing the FSE module
1. Disconnect the encoder connector and power supply connector, then remove the
FSE module.
2. Replace the FSE module according to the instructions in FSE-31 pulse encoder
interface module user's manual (3AXD50000016597 [English]).
3. Update the revision and the serial number of the new FSE module to the logbook
of the driven machine.

Replacing the safety encoder
1. If the new encoder is not identical with the old encoder: Make sure that the
encoder meets the requirements in section Safety encoders on page 43 .
2. Install the new encoder according to the installation instructions given by the
encoder manufacturer and the instructions given in the FSO-21 module and
FSE-31 module user's manuals.
3. Make sure that the safety encoder related parameter settings in FSO-21 module,
for example, pulse count, are set according to the new encoder.
4. Do the start-up and validation procedures. See section Start-up and validation test
on page 510 .

Start-up and validation test
1. Do the start-up procedure according to chapter Start-up .
2. Do the validation procedure for each safety function according to chapter
Verification and validation .