Shield M10U, User Manual

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Chapter 1 Installation
Shield M10U user manual 11
1.7 Control Cabling and Communication
1.7.1 UPS Dry Contactor and Monitoring Board Features
According to the specific needs of the field, the UPS may need auxiliary connection to realize the management of the
battery system (including external battery switch and battery temperature sensor), communicate with PC, provide alarm
signal to external device, or realize remote EPO. These functions are realized through the UPS dry contactor board (GJ)
and monitoring board (JK) at the front of bypass module. The boards provide the following interfaces:

EPO

Environment and battery temperature input interface

Generator input dry contactor interface

Battery warning output dry contactor interface

Battery circuit breaker interface

Mains failure warning output dry contactor interface

Intellislots (TM) intelligent card interface

User communication interface
The UPS dry contactor board provides input dry contactors and output dry contactors.
LCD
Indicator LED
Dry
contactor
EPO
RS232 RS485
SNMP
(a)
20kVA/40kVA bypass module
Functional button
LCD LED indicator EPO
(b)
30kVA/45kVA bypass module