System Clock Module

With the System Clock functions of the ISYGLT system can be controlled time-dependently.

Quick Facts

  • time, date and weekday
  • up to 128 switching times
  • time-dependent controls
  • time setting via parameters
  • takes summer and winter time into account

With the System Clock functions of the ISYGLT system can be controlled time-dependently. The System Clock Module provides the Master Module with the exact time, date and weekday (summer time, winter time and leap year are automatically taken into account) via the subnet. Up to 128 switching times and up to 128 switching days can be conveniently managed in the Master Module using a free software tool. The System Clock Module is set via the parameterisation function in the ISYGLT ProgramDesigner. It is also possible to synchronize the Clock with a superior Master Clock via system variables (hours and minutes). The System Clock has a power reserve of at least 5 years in the event of a power failure.

Electrical Data

Operating voltage 12V to 35V DC or 12V to 27V AC
Current consumption at 24V DC 10mA
Subnet (RS-485) max. 5.6V limitation by Z-diodes
Connection screw terminals 1.5mm², pluggable
Operating temperature -10...+50°C
Storage temperature -25...+70°C
Humidity 0...85% r.h. non-condensing
Protection class in non-installed state IP 30

Design, Dimensions, Weight

Design DIN rail-mounting plastic housing light grey, snap-on on 35mm DIN rail 2 HP
Dimensions WxHxD 36x90x59mm
Weight 70g

Ordering Data and Conformity

Type designation System-Uhr
Article no. 80070102
Conformity CE

Tender Documents

Instruction Manuals

Wiring Diagrams

Function Indicators (LEDs on the Module)

redPowerOffNo operating voltage
OnOperating voltage, no error
yellowBUSOff / OnError BUS
blinkingInterference-free data transmission via the BUS line

Parameterisation with ProgramDesigner

In the ISYGLT ProgramDesigner there are various parameterisation possibilities:

  • Set clock/calendar
  • Summer/winter time switchover
  • Clock adjustment
  • Online programming via BUS

Pin Assignment

4-pole plug top

=Ub Operating voltage
0V 0V Operating voltage
A BUS A (subnet RS-485)
B BUS B (subnet RS-485)


Article no.: 80070102

With the System Clock, functions of the ISYGLT system can be controlled time-dependently.
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