HBM MGCplus - Connecting CANHEAD Modules

Connection
Connecting CANHEAD modules
82 A0534-30.0 HBM: public MGCplus
4.4 Connecting CANHEAD modules
To connect CANHEAD modules to the MGCplus system you need the
ML74B communication card and the AP74 connection board.
In combina
tion with the NT030 power pack, you can connect a maximum of 12 modu
les per board and a maximum of 25 modules per MGCplus device (a maxi
mum of 256 channels per CP42 and 512 channels per CP52 in total). The
combination of NT040 with CP52 enables up to 50 modules per MGCplus
device to be connected.
For further information regarding connection and
operation see the "CANHEAD measurement electronics" assembly instruc
tions.
MGCplus
ML74B / AP74
1)
Termination resistor
10
measurement
channels
10 measurement
channels
Maximum 24 CANHEAD modules
T-piece
No termination resistor required
10
measurement
channels
10
measurement
channels
Fig. 4.4 Connection to MGCplus
The T-piece 1-CANHEAD-M12-T is used when a branch circuit will be cre
ated.
1)
The AP74 connection board in the MGCplus contains a built-in termination resistor.