GE Analytical Instruments ©2010 51 of 226 DLM 74001-04 Rev. A
Chapter 3: Installation
Wiring the 4-20 mA Connection
The data from the Analyzer may be recorded using the 4-20 mA outputs located on TB3. The analog output is
verified at the factory prior to shipping. Wiring connections are shown in Figure .
Figure 3: Wiring Diagram for the 4-20 mA Connection
Table 3: Serial and 4-20 mA Outputs (TB3)
Pin Number Output
12 4-20 mA 1 (- Output)
11 4-20 mA 1 (+ Output)
10 4-20 mA 2 (- Output)
9 4-20 mA 2 (+ Output)
8 Reserved
7 Reserved
6 Reserved
5 4-20 mA 3 (- Output)
4 Serial (In)
3 Serial (Out)
2 Serial (ground)
1 4-20 mA 3 (+ Output)
(-)
(+)
TB3
Internal to Analyzer
4-20 mA Output
Isolated self power
Voltage compliant to 20 V
Max. Load 600 ohms
No external power required
(-)
(+)
Recorder
or
Rload