Emerson Rosemount5081 - Ph Simulation When the Preamplifer Is Located in a Remote Junction Box or in a Sensor-Mounted Junction Box

pH simulation when the preamplifier is located in the transmitterFigure 8-5:
pH simulation when the preamplifer is located in a remote
junction box or in a sensor-mounted junction box
1. Program PAMP to sensor.
2. Turn off sensor diagnostics.
3. Turn off automatic temperature compensation. Set manual temperature
compensation to 25 °C (77 °F).
4. Disconnect the sensor and wire the sensor side of the junction box as shown in
Figure 8-5. Leave the interconnecting cable between the junction box and
transmitter in place.
5. Attach a jumper between TB1-7 (REF IN) and TB1-10 (pH IN)
6. From this point on, continue with steps 6 through 9 in
pH simulation when the preamplifier is located in the transmitter.
For testing using a standard millivolt source, be sure to remove the jumper between
TB1-7 and TB1-10 before connecting the standard millivolt source.
Diagnostics and troubleshooting
Instruction Manual 77