Below is a comprehensive guide for wiring and configuration to take different reading types with the RM4210 and RM4211 when used with the Triton Test Station or a Test Coupon.
RM4210 Wiring Guide
Checklist
1. First determine what you want to measure. Also, note the procedure you use now to get the measurements with a DVM manually as this will help with the installation.
1.1. What you can measure with the RM4210:
1.1.1. Native Pipe to Soil using a Non-CP Protected Coupon and a Reference Cell
1.1.2. AC Pipe to Soil, using a CP Protected Coupon and a Reference Cell
1.1.3. DC Pipe to Soil, using a CP Protected Coupon and a Reference Cell
1.1.4. Instant Off, using a CP Protected Coupon and a Reference Cell
1.1.5. DC Current Density, using a CP Protected Coupon
1.1.6. AC Current Density, using a CP Protected Coupon
1.1.7. DC voltage
1.1.8. AC voltage
1.1.9. Millivolts from a shunt
1.1.10. PCR
2. The input voltage you want to measure with the RM4210 should not exceed 100V AC or DC and the input
amperage, for AC and DC current density, should not exceed 0.2A AC or DC.
3. All wiring color and naming below are based on using the wiring harness that ships with the RM4210 that connects it
to the Test Station. NOTE: If not using this harness you will need to connect wiring to the green phoenix
connector based on the labeling of the ports on the PCB on the RM4210 itself. See Fig. 6 and 7.
4. You need to know the size and type of the coupons, CP protected and not CP Protected, which wires, colors, are
connected to those coupons.
5. Know what measurements you want to take from each coupon.
Different Types of Wiring Configurations
6. If you are connecting the RM4210 to a Triton coupon and Triton Test Station connect the colored wires from the
RM4210 to the matching colored wire connections from the Coupon on the Test Station. See fig. 1
7. If you have one CP Protected coupon to measure Instant Off and /or AC/DC Pipe to Soil and Current density. See
Fig. 2
7.1.1. CP Protected Cpn size: ____________. This needs to be input in Bullhorn Web under settings for the unit
where CP Protected Cpn size will be entered for Test Coupon size. See Fig. 4
7.1.2. Connect the Red, Test Cpn 1, and Blue, Test Cpn 2, wire from the RM4210 to the test station where you
would measure this manually with a DVM, this point should be connected to the CP protected Cpn with
the size listed in step 7.1.1. In this case you will not need to use the Orange wire labeled AC Coupon so
you can cap this off. NOTE: You will need to remove any switch or jumper used to connect the CP
protected Cpn to the Structure.
7.1.3. Connect the Yellow, Reference, wire from the RM4210 to the connection on the Test Station that is
connected to the Reference Cell.
7.1.4. Connect the Black, Native, wire from the RM4210 to the connection on the Test Station that is connected
to the native or none CP protected coupon, if you have one. If not, Cap off the end of this wire.
7.1.5. Connect the White, Structure, wire from the RM4210 to the connection on the Test Station that is
connected to the Structure.
8. If you have CP protected coupon 1 for Instant Off and /or Pipe to Soil and CP protected coupon 2 for Current
density. See Fig. 3
8.1. CP Protected Cpn 1 size: ___________ CP Protected Cpn 2 size: ___________. These needs to be entered in
Bullhorn Web under settings for the unit where CP Protected Cpn 1 size will be entered for Test Coupon Size
and CP Protected Cpn 2 size will be entered for Triton Coupon Size. See Fig. 5
8.1.1. Connect the Red, Test Cpn 1 wire, and the Blue, Test Cpn 2 wire, from the RM4210 to the Test Station
where you would measure the Instant Off and/or AC/DC Pipe to Soil with a DVM, this point should be
connected to the CP protected Cpn 1 with the size listed in step 8.1. Then connect the Orange, AC Cpn,
wire from the RM4210 to the Test Station where you would measure Current Density with a DVM, this
point should be connected to the CP protected Cpn 2 with the size listed in step 8.1. NOTE: You will need
to remove any switch or jumper used to connect the AC Current Density CP protected Cpn to the
Structure.
8.1.2. Connect the Yellow, Reference, wire from the RM4210 to the connection on the Test Station that is
connected to the Reference Cell.
8.1.3. Connect the Black, Native, wire from the RM4210 to the connection on the Test Station that is connected
to the native or none CP protected coupon, if you have one. If not, Cap off the end of this wire.
8.1.4. Connect the White, Structure, wire from the RM4210 to the connection on the Test Station that is
connected to the Structure.
9. If you want to just measure a DC voltage, AC voltage or a shunt use these guidelines
9.1. For a DC voltage measurement connect your positive to the Black wire and the negative to the Yellow wire on
the RM4210. If you need a second DC voltage measurement connect the positive to the Blue wire and the
negative to the Yellow wire on the RM4210. If you need a third DC voltage measurement you can connect the
positive to the PCR+ and the negative to the PCR- green phoenix connector on the RM4210 itself.
9.2. For a AC voltage measurement connect your measurement to the Blue wire and the reference to the Yellow
wire.
9.3. To measure a shunt connect the Positive for the shunt to the PCR + and the Negative to the PCR - connection
on the green phoenix connector associated with that port on the RM4210 itself.
Fig.1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
RM4211 Wiring
For Further Assistance Please Submit a Technical Support Ticket
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