Infrastructure and Mobility, Traffic Solutions
Sopers Lane, Poole, Dorset
BH17 7ER
Version
7
Page 46 of 76
Status
ISSUED
Last Editor
Ore Oluwatudimu
TS008468
Date
31/01/2017
Document
Name
UPS Solution General Handbook
Doc. No.
667/HB/47750/000
Copyright
Siemens plc 2017 All Rights Reserved
Contact ID
Name
Voltage
Energised When:
Default
Setting
C1
On Battery
Dry Contact
The UPS Solution is running on
battery backup power rather
than mains input
N/A
C2
Low
Battery 1
Dry Contact
The battery voltage drops
below the a configurable
threshold
47Vdc
(40% SOC)
C3
Low
Battery 2
Dry
Contact
Matches
C2
47Vdc
(40% SOC)
C4
Timer
Dry Contact
The UPS Solution has been
running on battery backup for a
user-defined length of time
5 minutes
C5
Alarm
Dry Contact
General Fault on UPS Unit
N/A
C6
DO NOT USE
(See warning
below)
UPS On
48Vdc at
(500mA) from
battery packs
The UPS is providing a mains
output independent of the
power source
N/A
Table 12-2: Default Fault Contact Settings
WARNING:
C6 is factory configured as a 48Vdc supply and is not to be used
with Siemens traffic equipment.
Details of all other fault and alarm flags are available within the Alpha FXM UPS
Operating Manual – 667/HB/47760/000.
All fault and alarm flags can be interrogated by any one of three UPS interfaces as
described in section 12.3.
5
All possible Alarm Contact triggers are listed in APPENDIX B – FXM UPS Faults and Alarms