Emerson MPR25 Application configuration table, Rectifier, main/standby, Alarms, Function, Current

Appendix A: NT5C10BF-1 and NT5C10BP 103

During transfer from a failed “MAIN” unit to a ‘STANDBY” unit the load current will be supplied by the backup batteries. The standby unit will provide the required current within 10 seconds.

Table 12 - Application configuration table

Rectifier	Function	LVD	Alarms	Current
qty	main/standby			capacity
1	Main1/None/None	No	RFA	25 A
2	Main1/Standby/None	No	RFA/NSR	25 A
2	Main1/None/Main2	No	RFA	50 A
3	Main1/Standby/Main2	No	RFA/NSR	50 A

Alarms

Available alarms for monitoring the status of the FTOP power system are as follows:

- RFA Battery Return (RTN)

- NSR (No Standby Rectifier) Battery Return (RTN)

Power and signal lead termination

The power and signal cables are terminated as follows:

a)	Power Cables:
	- Battery Return (RTN A)	TB1-1 (white with red tracer)
	-Battery (-48 V A)	TB1-2 (red)
b)	Signal Cables:
	- Negative Sense (RC-)	TB1-1 –48 V
	- Positive Sense (RG+)	TB1-2 RTN
	- Jumper1 (see Note below)	TB1-3
	- Jumper2 (see Note below)	TB1-4
	- Rectifier Fail (RFA)	TB1-5
	- No Standby Rectifier (NSR)	TB1-6

Note: When the Main 2 rectifier is missing TB1-3 and TB1-4 must be strapped together.

Factory set voltage limits

Refer to User Manual (UM) 167-7011-010 Voltage Level Limits for Power Plants, Rectifiers and Controllers.

25A Switch Mode Rectifier NT5C06B / C Installation and User Manual