5-23
Accessory Troubleshooting
TP-5672 11/95
Meters
Option 18 provides ananalogmeter to measure various
parameters including voltage, current, and frequency.
Figure 5-27 contains a wiring diagram for option
DD-18-G. Figure 5-33 contains a troubleshooting
flowchart for option DD-18-G. Figure 1b through
Figure 5-32contain wiringdiagrams for optionDD-18-J.
Troubleshooting flowcharts for option DD-18-J begin
with Figure 5-36 and conclude with Figure 5-52.
D DD-18-G. Analog frequency meter with fuse.
D DD-18-J. Analog voltmeter and ammeter with
fuses.
T4--BK
T4--W
206
204
3FU--R 308
T4--BL 407
FM
21
FM--2
3FU--BK
407 (BL)
307 (R)
T4
TBAC1--EC
TBAC1--EA
206 (BK)
204 (W)
PRIMARYSECONDARY
3FU
SPLICESPLICE
BK R
308 FM--1307T4--R
MICROCONTROLLERTB--AC1 TB--DC1
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17
ECS
EAS
NCS
NAS
LC
LB
LA
EC
EB
EA
NC
NB
NA
Wire Code Example
S10--13—201
Device Name
Wire Number
Device Terminal
Number
5604533
Figure 5-27. Wiring Diagram—Option DD-18-G, Analog frequency meter
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