For best EMI/RFI protection, use shielded output signal cable enclosed in earth-grounded
metal conduit.
Keep output signal wiring separate from power wiring. Do not run signal and power or
relay wiring in the same conduit or close together in a cable tray.
4.5 Alarm wiring
See Alarm relay connections.
Keep alarm relay wiring separate from signal wiring. Do not run signal and power or relay
wiring in the same conduit or close together in a cable tray.
4.6 Sensor wiring
If it is necessary to replace the sensor cable, refer to the instructions below.
Procedure
1. Shut off power to the transmitter.
2. Locate the chlorine signal board.
Slot 1 (left)
Slot 2 (center) Slot 3 (right)
Power input 1 (chlorine) input 2 (optional)
3. Insert the sensor cable through the conduit opening nearest the chlorine board.
4. Slide the board forward to gain access to the wires and terminal screws.
5. Connect the sensor to the chlorine board. Refer to Figure 4-3 or Figure 4-4
Figure 4-3: Wiring Sensor with Optimum EMI/RFI or Variopol Cable to
Rosemount 1056 Transmitter
Reference Manual Wiring
00809-0200-3415 January2023
Rosemount TCL 56 21
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