SS500e/SS2000e/SS3000e Gas Analyzer
3–18 4900002230 rev. D 2-6-20
4. For 4-20 mA sink, carefully replace the jumper (JMP1) connecting
the center pin to pin P.
5. Reconnect power to the analyzer. Confirm the 4 mA (minimum) and
20 mA (maximum) points.
6. Close and tighten the electronics enclosure cover. Follow the
programming instructions below.
Toscalethecurrentloopsignal
1. Make sure the current loop to be adjusted is connected and the
receiver is set for the 4-20 mA board to source the current.
2. Set the current loop output to 4 mA by setting the 4-20 mA % Test
parameter to zero (see “To change parameters in Mode 2 or
Mode 3” in the Firmware v2.51 Operator’s Manual).
3. Adjust the receiver calibration control to read the appropriate value.
The current loop output of 4 mA corresponds to the concentration
value set by the 4mA Value parameter.
4. Set the current loop output to 20 mA by setting the 4-20 mA %
Test parameter to 100.
5. Adjust the receiver calibration control to read the appropriate value.
The current loop output of 20 mA corresponds to the concentration
value set by the 20 mA Value parameter.
6. If desired, repeat by setting the 4-20 mA % Test parameter, R, to
any value between 0 and 100 and confirm that the output, i, agrees
with .
7. When finished, reset the 4-20 mA % Test parameter to “101.”
For more information on the analyzer programming, refer to the Firmware
Operator’s Manual.
Needle nose pliers may be required to remove the jumper.
<CH A SET PARAMETER>
4-20 mA % Test
101
Enter a % (101=Off)
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