Emerson SAG581126000 - Manual (Page 107)

System Application Guide SAG581126000
Spec. No. 581126000 (Model 700 NVBA ) Issue AD, November 23, 2009
Page 107 of 123
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1.3.11 External Alarm Circuits: Nine (9) Form-C alarm relay contacts are provided and
mapped by the MCA as detailed in the following table. Alarm relay contacts are rated
for 0.5A at 125VAC, 1.0A at 30VDC, and 0.3A at 110VDC. Relay operation can be tested via an
Alarm Relay Test feature. When activated, this feature consecutively places each relay in the
alarm state for the programmed time period.
• Refer to the "Making Electrical Connections" chapter of the Power System Installation
Instructions (Section 6012) for connection details.
• Refer to the "Navigating the MCA" and "System Operating Procedures" chapters of the
Power System User Instructions (Section 6013) for alarm conditions. Additional descriptions
are provided in a) and b) below.
a) MCA Audible Alarm: These contacts change state if any alarm condition monitored by
the MCA occurs, and are provided for connection to an audible alarm circuit.
b) Test/Equalize Indication: These contacts change state if the system is placed in the
test/equalize mode, locally or remotely.
Power System
List No.
10 11 12 13
MCA
Configuration
No.
534876 534877 534878 534879
Relay K1
Major
Alarm
Major
Alarm
Major
Alarm
Major
Alarm
Relay K2
Minor
Alarm
Minor
Alarm
Minor
Alarm
Minor
Alarm
Relay K3
High
Voltage 1
Alarm
High
Voltage 1
Alarm
High
Voltage 1
Alarm
Test/EQ
Mode
Indication
2
Relay K4
High
Voltage 2
Alarm
Rectifier
Module
Fail Major
Alarm
MCA
Fail
Alarm
Fuse
Alarm
Relay K5
Battery
On
Discharge
Alarm
Battery
On
Discharge
Alarm
Battery
On
Discharge
Alarm
Battery
On
Discharge
Alarm
Relay K6
50%
Battery
On
Discharge
Alarm
Rectifier
Module
Fail
Minor
Alarm
Very Low
Voltage
Alarm
AC
Major
Alarm
Relay K7
AC
Fail
Alarm
AC
Fail
Alarm
AC
Fail
Alarm
AC
Fail
Alarm
Relay K8
Audible
Alarm
Audible
Alarm
Fuse
Alarm
LVD
Alarm
Relay K9
Test/EQ
Mode
Indication
Fuse
Alarm
Rectifier
Module
Fail
Alarm
Test/EQ
Mode
Indication
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