ABB PGC2000 Operation And Service Manual page 246

1. Remove power from analyzer.
2. Remove access cover to terminals on right hand side of electronics housing.
3. Verify if trend board output is set up for 4 to 20 ma or 0 to 5 VDC.
4. If current output, disconnect one wire from the output to be tested, and place the milliammeter in
series with the load. See output terminal assignment below.
TREND CHANNEL
5. Turn analyzer power on.
6. On the Background screen, press the F1 (Exit to Commands) soft key.
7. On the Commands screen, cursor down to TESTING/SETUP and then press the F2 (Diagnostic
Tests) soft key.
8. On the Diagnostic Tests screen, cursor down to DIAGNOSTIC TOOLS and then press the F3
(Trend Output Test) soft key.
9. Enter the a trend test value. The output signal at the meter should respond to equivalent
percentage of output. Test for low, middle, and high.
10. If output does not respond or does not reach the expected output value, check the following:
a. Connect meter to the output terminal strip TB7 (see connection list in step 4) of the analyzer
and repeat step 9. If functioning normally, problem is in loop wiring, connection, or input
device and proceed to step 11.
b. Check wiring from analyzer output to input of receiving device.
c. Access Trend Table and determine if it is setup correctly. Make any necessary corrections.
d. Substitute trend board. Existing board may be defective.
11. If board functions normal locally, but receiving device is not correctly reporting signal, check the
following:
7-32
TREND OUTPUT TERMINAL ASSIGNMENT
TB7 +
1 1
2 3
3 6
4 8
5 11
6 13
7 16
8 18
9 21
10 23
11 26
12 28
13 31
14 33
15 36
16 38
TB7 - SHIELD
2 5
4 5
7 10
9 10
12 15
14 15
17 20
19 20
22 25
24 25
27 30
29 30
32 35
34 35
37 40
39 40
2000-OSM, F1