Data Sheet for Product

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Siemens Room units with 2-wire interface CB2N3261en_03
2020-01-22
When controller sends an alarm to HMI-SG, alarm indicator ( ) will be on and the
alarm number should be displayed blinking on screen. When HMI-SG is informed
by controller that the alarm is disappeared or the alarm is confirmed by user with
pressing any button, it will return to the previous status.
Notes
The room unit receives its power from the connected controller via the 2-wire
interface (low voltage, SELV). The room unit must be connected to the POL6XX or
POL4XX controller with a unscreened two-core twisted pair cable.
· The device is suitable for semi-flush mounting with a recessed conduit box.
· The unit should not be mounted in recesses, shelving, behind curtains or doors
or above or near direct heat sources.
· Avoid direct sun and draught.
· The conduit must be sealed on the device side, as currents of air in the conduit
can affect the sensor reading.
· The admissible ambient conditions must be observed.
· Mounting instructions are enclosed with the device.
Local installation regulations must be observed.
The equipment is not protected against accidental connection to AC 230 V.
After an interruption of the connection to the 2-wire interface, parameter
initialization will restart. If one parameter can’t receive response, the next request
will delay for 5 seconds to avoid flood frame on the Bus.
Disposal
The device is considered electrical and electronic equipment for disposal in terms
of the applicable European Directive and may not be disposed of as domestic gar-
bage.
· Dispose of the device through channels provided for this purpose.
· Comply with all local and currently applicable laws and regulations.
Display alarms
Engineeri
ng
Mounting
Installation
STOP
Warning
Commissioning,
Start
-
up characteristics