Figure 3-4. Pin-Out Of Rear Panel Connector In Single Range Mode; Table 3-2. Default Analog Outputs In Single Range Mode - Thermo Scientific 42i Instruction Manual

Dual Range Mode
Thermo Fisher Scientific
Figure 3–4. Pin-Out of Rear Panel Connector in Single Range Mode
Table 3–2. Default Analog Outputs in Single Range Mode
Channel Connector Pin
1 14
2 33
3 15
4 34
5 17
6 36
Ground 16, 18, 19, 35, 37
Note All channels are user definable. If any customization has been made
to the analog output configuration, the default selections my not apply.
In the dual range mode, there are two independent analog outputs. These
are labeled simply as the "High Range" and the "Low Range". Each
channel has its own analog output range, averaging time, and span
coefficient.
This enables the sample concentration reading to be sent to the analog
outputs at two different ranges. For example, the low NO analog output
can be set to output concentrations from 0 to 50 ppb and the high NO
analog output set to output concentrations from 0 to 100 ppb.
I/O Terminal Pin Description
1 NO Analog Output
3 NO
2
5 NO Analog Output
x
7 None
9 None
11 None
2, 4, 6, 8, 10, 12 Signal Ground
Model 42i Trace Level Instruction Manual
Operation
Range Menu
Analog Output
▲
3-9