Installation
37
Cod. 511485
Rev.07/0717
RELAY CONTACTS POWERED FROM THE WASHER CONTROL CIRCUIT.
Use of four dosing signals
The dosing signals from 1 to 4 originate from the board.
Supply terminal
COM
from terminal
X0-A
of the board
A4
,
(cable not supplied) Figure 3.19.
Supply the common phase of the signal outputs from
XO-B
of
A4
board.
Dosing outputs: connect in the order mentioned in the table
in section 3.6.4.
Fig. 3.19
IMPORTANT
This connection allows for the maximum strength at
each of the 50mA outputs. Higher consumption can
prevent the washer from functioning correctly.
This connection
can
aggravate
any problems
produced by a fault in the grounding connection, both
of the washer itself and of the external dosing
equipment.
USE OF MORE THAN FOUR DOSING SIGNALS
Applicable in both options, for dry contacts or relay
contacts supplied from the machine itself.
The dosing signals from 5 to 12 are originated in
A6
board
(Fig. 3.20)
Supply terminal
COM
of
A6
board from terminal
X0-A
of
A4
board (cable not supplied).
Dosing outputs: connect in the order mentioned in the table
in section 3.6.4.
Fig. 3.20