ABB Symphony Harmony Series, Instruction, Page: 290 / 402

WBPEEUI240751C0 PR34 - 1
PR34
RLY-200 Relay Replacement
Purpose/Scope
This procedure gives the steps to replace a relay on the
RLY-200 block.
NOTE: Check for a blown fuse before replacing a relay.
Parts
Tools
•
Small-tipped, flat-blade screwdriver.
Safety Considerations
Procedure
□
1. Turn off power to the field device controlled by the relay
being replaced.
□
2. Open the access door, then loosen the attachment screw of
the relay to be replaced (Fig.
PR34-1 ).
5 min.
Number Qty Description
1947684A32 1 - 8 120 VAC solid state relay
1947685A31 24 VDC solid state relay
1947685A32 125 VDC solid state relay
1947803A1 240 VAC solid state relay
WARNING
1. Verify field power is turned off before starting the replace-
ment procedure. Failure to do so could result in severe or fatal
shock. Do not turn the power on until the replacement proce-
dure is complete.
CAUTION
1. Use only ABB Automation approved relays on the relay
assembly. Using unapproved relays could improperly route sig-
nals and damage equipment connected to the relay and the
relay itself. CSA certification is voided when unapproved relays
are used.
W1