Installation and operation, Service
– Red LEDs light continuously: CAN bus status faulty.
Display of the status change on the multi-LED of the Processing Unit:
EN
– Continuous green light: All units attached to the CAN bus have the "OK" status.
– Continuous orange light: At least one unit attached to the CAN bus has the "warning" status.
– Continuous red light: At least one unit attached to the CAN bus has the "alarm" status.
Display of the status change on the multi-LED of the air flow sensor:
– Continuous blue flashing: Communication over the CAN bus.
– Green flashing: When the measured value changes or, at the latest, every 5 seconds.
– Continuous orange flashing: The air flow sensor has the "warning" status. Fast flashing: Upper limit
value exceeded. Slow flashing: Lower limit value exceeded.
– Continuous red flashing: The air flow sensor has the "alarm" status. Fast flashing: Upper limit value
exceeded. Slow flashing: Lower limit value exceeded.
– Continuous red light: Invalid measured value.
If the installation is not successful: see section 1.1.
Note:
Connection cables in various lengths can be obtained from Rittal.
Caution!
The tip of the sensor probe becomes very hot during operation (depending on
the ambient temperature up to 90 °C).
To avoid burns, do not touch the tip of the sensor probe until it has had sufficient
time to cool down.
5.3
Settings
The following parameters can be set or viewed at the CMC III PU web site:
– Value: Currently measured air flow [%]
– SetPtHighAlarm: Upper alarm limit value [%]
– SetPtHighWarning: Upper warning limit value [%]
– SetPtLowWarning: Lower warning limit value [%]
– SetPtLowAlarm: Lower alarm limit value [%]
– Hysteresis: Status message delay [%]
– Status: Current status of the air flow sensor taking account of the hysteresis
To determine whether any software updates are required: see www.rittal.com or contact Rittal Service
(see section 6).
6
Service
For technical questions, please contact:
Tel.: +49(0)2772 505-9052
E-mail: info@rittal.de
Homepage: www.rittal.com
For complaints or service requests, please contact:
Tel.: +49(0)2772 505-1855
E-mail: service@rittal.de
10
Rittal CMC III Analogue Air Flow Sensor