System information

C0240111-06-07-GB
94
9.3 “Mixed” connection
The “mixed” connection is used in units with 3/4 cooling circuits where an increase in inputs/outputs is
required. The master board manages circuits 1 and 2 while the slave board manages circuits 3 and 4.
Additionally, depending on the required functions or the type of machine, boards used as expansions can
be connected.
Connect the expansions for the I/O of circuits 1 and 2, and for the unit I/O to the master.
Connect the expansions for the I/O of circuits 3 and 4 to the slave
The following figure shows the connections between the boards and the expansions: a 3-wire shielded
cable connects terminals J11 of the master and slave boards (marked in orange), and a 3-wire shielded
cable connects terminals J23 of the master and/or slave boards with terminal J3 or J11 of expansions “E”
or “M” (marked in blue).
Master Expansion E Expansion E Expansion E
Slave Expansion E Expansion E Expansion E
Figure 9.3a: “mixed” connection