1640-IN-031-C-08 Page 17 of 104
MACO Series Controller Installation
Eurotherm/Barber-Colman
Figure 1.8 Multi-Chassis Installation
Controller 4
(Secondary)
Controller 3
(Secondary)
Controller 2
(Secondary)
Controller 1
(Primary)
Controllers in a multi-rack configuration can be any combination of 7 Slot, 9 Slot,
11 Slot, 12 Slot or 16 Slot Chassis. Controller 1 is the "primary" controller.
Controllers 2, 3 and 4 are "secondary" controllers.
Secondary controllers must contain a power supply board, a data handler board
and a sequence/hydraulics board. Additional board requirements will depend on
the application.
Controllers are interconnected by the connections to each data handler board.
Controller addresses are determined by Switch S2 on each data handler board.
The last controller of the installation must have its line terminating resistors
jumpered to the "in" position (J19 and J20). All other controllers must have these
resistors jumpered to the "out" position.
Wire each controller separately, but to the same source distribution and ground
distribution.
Data Handler
Board 1
Data Handler
Board n
Data Handler
Board n
Data Handler
Board (last)
J19
J20
3
3
1
1
Out
In
Out
In
P14
Data +
Data -
ISO5V
ISOC0M
1
J19
J20
3
3
1
1
Out
In
Out
In
P14
Data +
Data -
ISO5V
ISOC0M
1
J19
J20
3
3
1
1
Out
In
Out
In
P14
Data +
Data -
ISO5V
ISOC0M
1
J19
J20
3
3
1
1
Out
In
Out
In
P14
Data +
Data -
ISO5V
ISOC0M
1
To Operator
Station
Switch S2
(Data Handler Board)
O
F
F
ROCKER DOWN
1 2 3 4 5 6 7 8
Single Rack
Ctlr 1
Ctlr 2
Ctlr 3
Ctlr 4
Switch S2
Sw1 Sw2
Off
On
Off
On
Off
Off
Off
On
On
Off
Sw3
Off
Off
Off
Off
On
(See Operator
Station Wiring Detail)
EMC Terminal
Block
EMC Terminal
Block
EMC Terminal
Block
EMC Terminal
Block
10 ft. (3.3m)
maximium
10 ft. (3.3m)
maximium
10 ft. (3.3m)
maximium
(Overbraid)
(Overbraid) (Overbraid)
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