Rittal CMC III Access Control
11
5 Installation
EN
◾ If necessary, connect another component (e.g.
another sensor type) to the second, free CAN bus
interface of the Access Control (Fig. 10, item 5).
Status change display:
– The two green and the two red CAN bus LEDs on
the CAN bus connection flash.
– The multi-LED of the Processing Unit flashes con-
tinually in the sequence green – yellow – red.
– The multi-LED of the Access Control flashes blue
continuously
◾ Press the "C" key on the CMC III Processing Unit (an
initial audio signal will sound) and keep it pressed
for approx. 3 seconds until a second audio signal is
heard.
Note:
See section 6.3.1 "Multi-LED displays" for a
list of all of the multi-LED displays.
Note:
If a new sensor is registered on the bus or
the CMC III Processing Unit is restarted,
the Ergoform-S electro-magnetic handle is
released temporarily.
Status change display on the CAN bus LEDs
– Continuous green LEDs: CAN bus status "OK".
– Continuous red LEDs: CAN bus status defective.
Status change display on the multi-LED of the
Processing Unit
– Continuous green light: All devices connected to the
CAN bus have the status "OK".
– Continuous orange light: At least one device con-
nected to the CAN bus has the status "Warning".
– Continuous red light: At least one device connected
to the CAN bus has the status "Alarm".
Status change display on the multi-LED of the
Access Control
– Continuous blue flashing: Communication via the
CAN bus.
– Green flashing: When the measured value changes,
or at least every 5 seconds.
– Continuous red flashing: The Access Control has the
"open" status.
– Continuous red light: Invalid measured value.
