Toshiba G8000 Series operation manual External Connections

12.3 External Connections

The terminal layout of external connection TB1 is shown in Table 8.

Table 8 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 and #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.

	Power source
Jumper wire if battery
OH is not applied.		TC

		To Bypass	Bypass Breaker
		Input
10
11
12
13		Power source
14
		for trip coil
15
16
17			TC
18
19	○	To DC	Overheat
	TB1		B-contact
		Input

Auxiliary A-

contact

< UPS Cabinet > < Battery Cabinet >

Figure 11 Connection among UPS, battery cabinet & bypass breaker.

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