Specifications

MI 611-211 – October 2005 2. Installation
10
must be wired to a metallic material in contact with the process solution. If not,
jumper terminals 4 and 5.
6. If you are not wiring a temperature measuring device, short terminals 1, 2, and 2A to
minimize noise.
Figure 7. Wiring
RTD MEASUREMENT RTD RETURN
RTD 3-WIRE
MEASUREMENT ELECTRODE MEAS. SCREEN (SHIELD) SOLUTION EARTH (GROUND)
REFERENCE ELECTRODE
SENSOR POWER, +
SENSOR POWER, - DIAGNOSTIC
REF. ELEC. SCREEN (SHLD) NOT USED
INPUT POWER
CASE EARTH (GROUND)
1
2
2A
3
3A
4
5
5A
6
7
8
G
+
–
4 - 20 mA CAL
+
–
POWER
SUPPLY
(24 V dc)
IFD MODEM
IBM COMPATIBLE
PC
OPTIONAL
PRINTER
RS-232
CABLE
TRANSMITTER
CABLE
250Ω
PC-BASED
CONFIGURATOR
NOTES:
1. IF NOT WIRING A TEMPERATURE MEASURING
DEVICE, SHORT TERMINALS 1, 2, AND 2A.
2. TERMINAL 2A IS NOT USED WHEN YOUR SENSOR
CONTAINS A 2-WIRE TEMPERATURE ELEMENT.