Emerson Micro Motion 5700 - Core Processor Terminals Inside the Transmitter Junction Box; Removing the Cover of the Junction Box

Figure 17-1: Removing the cover of the junction box
3. Disconnect the 4-wire cable between the transmitter and the sensor.
4. Identify the core processor terminals inside the transmitter junction box.
Figure 17-2: Core processor terminals inside the transmitter junction box
5. For the 700 core processor only, measure the resistance between the terminal pairs listed here.
Terminal pair
(transmitter)
Terminal pair (core
processor)
Function Expected resistance
White – green 3–4 RS-485/A and RS-485/B 29 kΩ to 33 kΩ
Troubleshooting Configuration and Use Manual
March 2019 MMI-20025166
284 Micro Motion Model 5700 Transmitters with Configurable Outputs