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16 Operation principle and hardware description
Layout of the RMDE-01
The following figure describes the RMDE-01 layout. The component designations are also
used in
Circuit diagrams (page
A10, A11, A20, A21, A30, A31, A40, A41
A50
B2
G2
F95, F96
Q95
T22
X100
Ordering fibre optic cables for DDCS
The table below shows the ABB order codes.
Type
HCS 50m
HCS 150m
HCS 200m
53).
NETA-21 module and NEXA-21 module.
Number of modules vary depending on the customer
order.
Cellular modem
Fan thermostat
Filter fan
Miniature circuit breakers
Main switch
Power supply unit
Terminal blocks
Description
Hard clad silica (HCS) optical fibre
set, duplex.
Used for long distance runs. Cable
includes mechanical protection.
Ordering code
3AXD50000125258
3AXD50000131907
3AXD50000132416
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Troubleshooting
