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instabus EIB
Technical Product Information
September 2001
Time Switch 4 Channel REG 372
Technical Specifications
Power supply
Via bus line
Control elements
Keyboard for setting respectively operating the time
switch
Display elements
LCD display unit
Connections
• 10 pin bar (PEI):
for connection with the bus coupling unit
• aerial FA: length of insulation removal approx. 5 mm
0,5 ... 2,5 mm² single core or flexible conductor,
-
8 mm ultrasonically compacted
0,5 ... 2,5 mm² flexible conductor with terminal pin,
-
crimped on gas tight
0,5 ... 1,5 mm² flexible conductor with connector
-
sleeve
1,0 and 1,5 mm² plain flexible conductor
-
Physical specifications
• housing: plastic
• dimensions (W x H x D): 45 x 107 x 68 mm
• mounting depth: 68 mm
• distributor section: 46 x 108 mm
• weight: approx. 175 g
• installation: rapid mounting on
DIN EN 50022-35 x 7,5 rail
Clock controller
• response accuracy: usually ±1 s/day at +20°C
• response margin: 72 h at +20°C
• duration of charge: 70 h accumulator
• shortest switching time: 1 s
• possibility of setting the program: every minute
• memory locations: 322
• control selection: yes
• manual switch: automatic operation/preliminary con-
trol selection FIX ON / FIX OFF
• switching condition display: yes
• block establishment: free weekdays and channel
block establishment
• summer- / wintertime conversion: automatically
• holiday program: yes
Technical Manual
Update: http://www.siemens.de/installationstechnik
2.18.2.2/2
Electrical safety
• fouling class (according to IEC 664-1): 2
• protection (according to EN 60529): IP 20
• protection class (according to IEC 1140): II
• overvoltage class (according to IEC 664-1): III
• bus: safety extra low voltage SELV DC 24 V
• device complies with
EN 50 090-2-2 and IEC 664-1: 1992
Electromagnetic compatibility
complies with
EN 50081-1, EN 50082-2 and EN 50090-2-2
Environmental specifications
• climatic conditions: EN 50090-2-2
• ambient temperature operating: - 5 ... + 45 °C
• ambient temperature non-op.: - 25 ... + 70 ° C
• relative humidity (non-condensing): 5 % to 93 %
Certification
EIB certificate
CE norm
complies with the EMC regulations (residential and
functional buildings), and low voltage regulations
Location and Function of the Display and
Operator Elements
A3
Mo
Figure 1: Location of the display and operator elements
A1 terminal connection blocks aerial FA
A2 Keyboard for setting respectively operating the
clock controller
A3 LCD display unit
A4 Physical external interface (PEI) for connection
with the bus coupling unit REG
REG 372, 4 pages
Siemens AG 2001
Subject to change without prior notice
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Automation and Drives Group
Electrical Installation Technology
P.O.Box 10 09 53, D-93009 Regensburg
5WG1 372-5AR01
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Siemens AG
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