Relay board 1 connections

Relay

Function

Mode

Special

Comments

 

 

 

 

 

Output 1

Common alarm

Fail safe

 

 

 

 

 

 

 

Output 2

Normal operation

Active on

 

 

 

 

 

 

 

Output 3

Bypass operation

Active on

 

 

 

 

 

 

 

Output 4

Battery operation

Active on

 

 

 

 

 

 

 

Output 5

VDC out of tolerance

Fail safe

 

 

Output 6

Battery conditon fault

Fail safe

 

Battery fault detected by

 

 

 

 

battery monitor

 

 

 

 

 

Output 7

Maintenance bypass

Active on

 

 

 

operation

 

 

 

 

 

 

 

 

Output 8

Mains out of tolerance

Fail safe

 

 

 

 

 

 

 

Output 9

Bypass out of tolerance

Fail safe

 

 

 

 

 

 

 

Output 10

Output out of tolerance

Fail safe

 

 

 

 

 

 

 

Output 11

MCCB open

Fail safe

 

Battery breakers open

 

 

 

 

 

Output 12

System overload

Fail safe

 

 

 

 

 

 

 

Output 13

Good utility

Active on

 

If UPS goes into bypass,

 

 

 

 

this relay goes on without

 

 

 

 

delay

 

 

 

 

 

Output 14

Boost charge active

Fail safe

 

 

 

 

 

 

 

Output 15

Fan fault

Fail safe

 

 

 

 

 

 

 

Output 16

Temperature fault

Fail safe

 

Temperature switch active

 

 

 

 

or faulty temperature sensor

 

 

 

 

 

Input 1

Generator active

 

Master will handle

Input for indicating that a

 

 

 

signal

generator is active. This will

 

 

 

 

be used to reduce the charge

 

 

 

 

power

 

 

 

 

 

Input 2

Battery room ventilation

 

Individual

Input for indicating that the

 

fault

 

 

ventilation in battery rooms

 

 

 

 

is defect. This will be used

 

 

 

 

to reduce the charge power

 

 

 

 

 

Input 3

DC Ground Fault

 

Individual

 

 

Detection

 

 

 

 

 

 

 

 

Input 4

Reserved for future use

 

Master will handle

 

 

 

 

signal

 

 

 

 

 

 

Input 5

Plant clock

 

Master will handle

Input for real time clock

 

synchronization

 

signal

synchronization

 

 

 

 

 

Input 6

Power Tie detection

 

Master will handle

Input from PLC to detect if

 

 

 

signal

Power Tie is active

 

 

 

 

 

14

Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-001

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Image 18
APC MW II manual Relay board 1 connections, Relay Function Mode Special Comments