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3.4
Operating conditions
The CAN bus DRC may only be operated under the following operating conditions:
Temperature operational range:
Humidity operational range:
Degree of protection:
4
Assembly
4.1
Assembly instructions
The assembly of the CAN bus DRC is made as shown in fig. 2.
5
Installation and operation
5.1
Operating and display elements
The operating and display elements are shown in fig. 3.
Key for fig. 3
1
"C" key (no function)
2
Multi-LED for the status display
3
24 V
power supply (direct connection)
4
Connection for CMC-TC "RFID controller" unit RJ 45
5
Not assigned
6
CAN bus connection
7
CAN bus connection
5.2
Installation
Note:
The power pack (7030.060) must always be connected to the voltage input of the CAN
bus DRC.
Note:
The unit is free from power only after all power sources have been disconnected!
Please connect all CMC-TC "RFID controller" units (7890.500) to the appropriate connection
(fig. 3, item 4).
Connect the CAN bus DRC with a CAN bus connection cable to the CMC III PU or to the neigh-
bouring elements on the CAN bus (fig. 3, item 6, 7). A maximum of two CAN-Bus DRCs may be
connected to one CAN-Bus.
Note:
If the RFID controller is connected to the CAN-Bus DRC retrospectively, please make
sure you disconnect the CAN-Bus DRC first before connecting it again later.
Display of the status change:
– The two green and the two red CAN bus LEDs on the CAN bus connection flash.
– The multi-LED of the Processing Unit flashes continually in the green – orange – red sequence.
Rittal CMC III CAN-Bus DRC
+0°C...+55°C
5%...95% relative humidity, non-condensing
IP 30 in accordance with EN 60 529
, 24 V
, 24 V
Assembly, Installation and operation
EN
7
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