Model S4000TH
13
3.5 Terminal Connections
The terminal blocks (TB) are located inside the housing and can be accessed by removing the
cover. A label on the inside of the housing cover provides details of all the terminal
connections.
Figure 9: S4000TH Terminal Block Locations
3.5.1 Terminal Block TB1 – Sensor Connections
TB1 contains the four sensor connections, white (W), black (B), red (R) and green (G). Remove
the display board by loosening the 2 captive screws on the board and lifting it straight up.
Connect the color-coded wires from the sensor to the matching colored terminals on TB1. The
label on the inside of the cover can serve as a guide. Replace the display board by pressing it
into place and tightening the two captive screws.
WARNING:
Do not c24 VDC to TB1. Damage to the electronics or sensor may
result.
3.5.2 Terminal Block TB2 – Power and Signal Connections
TB2 contains the connections for Power, Relay Reset, Remote Calibration, Modbus, and 0-20
mA Output Signal. The terminal connections are as follows:
TB2 position
Function
1
0-20 mA Output
2
CH1 Modbus -
3 CH1
Modbus
+