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Toshiba Uninterruptible Power System G8000 Series User Manual

Page 37

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36

11.5 Control Wires

The terminal layout of control wires at TB1 is shown in Table 11.10.

Table 11.10 External Connections

No.

I/O

Signal Name

Operation

1

Output

Low Battery

Close at Low Battery

2

Output

Backup Operation

Close while Backup Operation

3

Output

Fault

Close by Faults

4

Output

Inverter Supply

Close during Normal Operation

5

Output

Warning

Close by Warnings

6

Input

P24

7

Input

Remote Run

Close to run UPS

8

Input

P24

9

Input

Remote Stop

Close to stop UPS

10

Output

Bypass Supply

Close during Bypass Operation

11

Output

Output Signal Ground

(Ground for pin #1~5 & #10)

12

Input

P24

Battery’s

13

Input

Battery Overheat

Overheat B-contact

14

Output

Bypass Breaker

15

Output

52C Trip Signal

Shunt Trip Signal by EPO

16

Output

Battery Breaker shunt trip

17

Output

72B Trip Signal

by EPO or Battery shutdown

18

Output

Battery breaker’s

19

Output

72B Aux. Contact

Auxiliary A-contact

The UPS, the battery cabinet, and the bypass breaker should be wired as shown in Figure

11.7.

10

11

12

13

14

15

16

17

18

19

Figure 11.7 - Connection among UPS, battery cabinet & bypass breaker

To Bypass

Input

TC

< Battery Cabinet >

Overheat

B-contact

Power source

for trip coil

TB1

Auxiliary A-

contact

Jumper wire if battery

OH is not applied

.

TC

Power source

To DC

Input

Bypass Breaker

< UPS Cabinet >