GE Industrial Solutions ZBTE Series - Manual (Page 15)

Zenith ZTE/ZBTE Series Operation & Maintenance Manual Page 13 91 R -1000
Figure 14
Universal Transformer Box Assembly (UTA) Schematic
V_A R5
I/O’S
CUSTOMER
UPS (120VAC)
OPTIONAL FOR KEEPING
THE MX350 CPU ACTIVE
WITH LOSS OF SOURCE 1
OR SOURCE 2 POWER
(SEE NOTE 1)
FROM
FROM
TO MX350
CONTROLLER
CONTROLLER
TO MX350
POWER SUPPLY (PS)
D18
D19
D20
-
+
+
-
OPTIONAL FOR KEEPING THE INPUT AND OUTPUT STRIPS ACTIVE WITH
LOSS OF SOURCE 1 OR SOURCE 2 POWER (SEE NOTE 1)
NOTE 1: MUST BE SUPPLIED TOGETHER FROM AN UNINTERRUPTED POWER SOURCE
2
802
800
FROM
CUSTOMER
BATTERY
(24VDC)
(UNGROUNDED)
J4
1
2
1
+
-
170+
170-
J9
4
J12
2
3
1
MOV3
V_B
D26
D22
D23
D24
-
+
TROUBLESHOOTING
FOR SERVICE
TEST POINTS
REFER TO
ELECTRICAL
SCHEMATIC DWG.
SHEET 4
D17
TO TP10
18
16
14
12
J6
3
11 1
1
5
7
TO TP9
TO TP8
TO TP6
TO TP7
TO TP5
TO TP4
TO TP3
20
20
J3
10
9
31
30
3
1
Source 1
AC Voltage
Source 2
AC Voltage
J1
J2
21
20
3
1
V_A
V_B
TO TP2
TO TP1
V_B
V_A
0
TP3
TP4
TP5
TP6
TP7
TP6
TP8
TP7
TP8
TP9
TP10
17VDC
D21
17VDC
120VAC
120VAC
0
JP1
JP2
JP3
TP1
TP1
TP3
TP2
TP2
120VAC
120VAC
MOV2
MOV1
JP4
JP5
JP6
R4
R3
1
2
3
4
C1 MOV5
TP6
C2
12
11
R2
MOV4
D13
D14
D16
D8
D12
D4
D9
D10
~
+
-
5
6
7
T2
1
2
3
4
3 1 10 12
5
6
7
T1
~ R1
TP10
TP1
7
TP7
9
TP9
12
11
D25
TP8
D6
D5
D8
D7
D4
D3
D2
D1
-
+
TP5
TP2
7
9
TP4
D25
TP3