UZS24.100
S
ENSOR
B
OARD FOR
DC-UPS
S
ENSOR
B
OARD FOR
B
ATTERY
M
ODULES
Suitable for most of the PULS DC-UPS Control Units
Includes a PT1000 Temperature Sensor
Includes an Auto-Resettable Fuse for the Center-Tap
Connection
1. P
RODUCT
D
ESCRIPTION
This sensor board contains a PT1000 temperature sensor and an auto-resettable fuse, which is suitable for charging
currents up to 3.5A. The fuse protects the center-tap wire between the battery module and the DC-UPS control unit.
The UZS24.100 is compatible with most of the PULS DC-UPS control units and enables all the benefits of the PULS 1-
Battery-Concept. This makes the use of matched replacement batteries unnecessary and allows a precise battery
charging and testing which results in the longest possible battery life.
2. F
UNCTIONAL
D
IAGRAM
Fig. 2-1
Functional diagram
X1
Center
Tap
Temp.
RTN
Temp.
Sensor
Auto
Resettable
Fuse
Wire for
center tap
connection
O
RDER
N
UMBER
UZS24.100
Sensor board comprising a PT1000 temperature sensor and an auto-resettable center-tap fuse
Feb. 2013 / Rev. 1.0 DS-UZS24.100-EN
All parameters are specified at 25°C ambient unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0
Germany
1/3
UZS24.100
S
ENSOR
B
OARD FOR
DC-UPS
3. I
NSTALLATION AND
W
IRING
The sensor board shall be installed close to the batteries in order for a precise temperature measurement of the
batteries.
A
Temperature Sensor
Connect pin 11 (Temp.) and pin 12 (RTN) to the corresponding pins on the DC-UPS control unit.
The temperature sensor is a PT1000 sensor with SMD technology, which is placed close to the terminal block.
Center-tap
Connect pin 13 (Center-Tap) to the corresponding pin on the DC-UPS control unit. Connecting the center-tap wire
to the DC-UPS control unit enables all the benefits of the PULS 1-Battery-Concept. This makes the use of matched
replacement batteries unnecessary and allows a precise battery charging and testing which results in the longest
possible battery life. Using the center tap connection is optional. Without this connection, the DC-UPS will function
like a traditional UPS system without the above mentioned benefits.
Battery wire
Connect the blue wire (AWG18, length 0.5m) to the interconnection between the two batteries. Shorten the wire
to the required length. Between pin 13 (center-tap) and this wire is an auto-resettable fuse included in order to
protect the wire between the sensor board and the DC-UPS control unit. The maximal allowed charging current is
3.5A.
Fig. 3-1
Wiring
B
C
Fig. 3-2
Typical wiring scheme
Batteries
(+)
(-)
Power
Supply
Load
(+) Fuse
+
12V
-
BAT1
Input
Output
(+)
Battery
+
12V
-
BAT2
(-)
(-)
Center-Tap
Center-Tap
Temp.
RTN
Auto
Resettable
Fuse
Temperature
RTN
DC-UPS
Temp.
Sensor
UZS24.100
Sensor board
Feb. 2013 / Rev. 1.0 DS-UZS24.100-EN
All parameters are specified at 25°C ambient unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0
Germany
2/3
UZS24.100
S
ENSOR
B
OARD FOR
DC-UPS
4. T
ERMINALS
The screw terminals are IP20 Finger safe constructed and suitable for field and factory wiring.
Solid wire
Stranded wire
American Wire Gauge
Max. wire diameter
Wire stripping length
Screwdriver
Recommended tightening torque
0.5-1.5mm
2
0.5-1.5mm
2
AWG 20-12
1.5mm (including ferrules)
6mm / 0.25inch
3 x 0.5mm slotted
0.5Nm / 4lb-in
5. A
PPROVALS
EC Declaration of Conformity
The CE mark indicates conformance with the
- Low-voltage directive (LVD) 2006/95/EC and
- RoHS directive 2011/65/EU.
6. P
HYSICAL
D
IMENSIONS AND
W
EIGHT
Dimensions
Wire length
Weight
110.5 x 23 x 15mm
500mm
30g / 0.07lb
Fig. 6-1
Physical Dimensions
The information presented in this document is believed to be accurate and reliable and may change without notice.
No part of this document may be reproduced or utilized in any form without permission in writing from the publisher.
Feb. 2013 / Rev. 1.0 DS-UZS24.100-EN
All parameters are specified at 25°C ambient unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0
Germany
3/3
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