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Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products 14 Communication 23.04.2009
RM..
RM..
3131Z07
Slave
Device 2
Master
Device 1
Time of day
Time of day
Legend for all figures in this
chapter:
Signal transmitter
Signal receiver
Effects when communication is activated:
• Fault status messages are always delivered via bus and can be further handled by
other Synco™ 700 devices
• Fault status messages from other Synco™ 700 devices are shown on the display
under:
Main menu > Faults > Fault status message bus
• Fault status messages from other Synco™ 700 devices can be delivered to a fault
relay
All fault status messages can be acknowledged from a remote location (e.g. from the
PC operator station or via the OCI700 service interface).
It can be selected whether fault status messages with self-holding may also be reset
from a remote location or whether self-holding must always be reset with the local
push-button.
14.2 Calendar data (holidays and special days)
The RMK770 controller has a calendar for the entry of holidays and special days. If
required, a calendar of another Synco™ 700 device can be used.
Optionally, other Synco™ 700 devices can use the RMK770 calendar.
This is made possible via the following communication settings:
Main menu > Commissioning > Communication > Room heating circuit
Operating line Range Factory setting
Holidays/special day operation Autonomous / Slave /
Master
Autonomous
Holidays/special day zone 1…31 1
The settings made are also displayed under:
Main menu > Device information > Communication > …
If a common holiday or special day program shall be used, holidays/special day opera-
tion must be defined as the master on one of the devices, and the other(s) is (are)
slave(s). Operation with the 4 internal calendars is analogous.
With master-slave operation, this setting is used to assign the zones. The slaves are
assigned the same holidays/special day zone as the master. It is possible the define
several zones with 1 master per zone.
Remote reset of fault
Communication
Holidays/special day
operation
Holidays/special day zone
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