RM4210 Wiring Guide
January 2019
5
Figure 1-1. RM4210 Wiring Harness
Common wiring configurations include the following:
l
Structure or Pipe Connection
— connect the white
Structure
wire from the wiring harness to
the point on the test station that is connected to the Structure.
l
Reference Cell
— connect the yellow
Ref Cell
wire from the wiring harness to the point on the
test station that is connected to the reference cell.
l
Native or Non CP-protected Coupon
— connect the black
Native Cpn
wire from the wiring
harness to the point on the test station that is connected to the native or non CP-protected
coupon. If there is not a native/non CP-protected coupon, cap off the end of this wire. If the
native/non CP-protected coupon has two wires, connect one wire to the test station and cap off
the other wire.
NOTE:
Remove any switch or jumper on the test station head that is used to connect the CP-protected
coupon (AC Coupon or Test Coupon) to the Structure, where the CP-protected coupon is used to
measure AC current density or instant off.
l
PCR, AC Drain, SSR, or Dairy Land
— connect the positive wire to the
PCR+
and the negative
wire to the
PCR-
connections in the green phoenix connector. The connections match the port
labels (
PCR+
,
PCR-
) on the RM4210 faceplate. For additional information on using a PCR with
the RM4210, refer to the
RM4200 Series User Guide.
