beautypg.com

3 network surge protection – Flowserve Limitorque Master Station III User Manual

Page 69

background image

69

Limitorque Master Station III FCD LMENIM5001-02 – 12/13

flowserve.com

Figure 10.6 - AC Fuse Holder

Check each of the two fuses, located in the holder, for continuity. Replace if necessary and reinstall
the holder into the module.

10.6.3 Network Surge Protection

The network surge protector is a three-stage device for protection of the RS-485 data lines. Loss of
communication on either channel A or B could result in a faulty surge protector. Please see below
traces to verify proper operation of the protector.

Figure 10.7 - Network Surge Protector

If faulty, please replace device by removing the two outer screws and then the assembly. Replace with
a new protector assembly.

Figure 10.8 - Removing Network Surge Protector