Figure 11 - 4-Wire Sensor - Honeywell 2MLF-RD4A User Manual

c) If 4-wire sensor is connected using (connection) terminal unit
ATTENTION
1*: If sensor and compensating wire are shielded, connect the shield to FG
terminal of the module.
2*: 4-wired sensor connection is the same as 3-wire. However, there are 4
sensor wires. The wire with an identical sign to the wire connected to terminal
A should not be connected to the module.
R200 Resistance Temperature Detector 2MLF-RD4A User's Guide
September 2010
2.3. RTD input module characteristics
Figure 11 – 4-Wire sensor
Honeywell
2. Specifications
33