Electrical connection
37
7.4.6 Machines with I/O module type 3
By maintaining an active (high) signal on connection 3 "Price reduction”, the price of the program
can be reduced. This function has a number of uses, including providing reductions during a
specific period of the day. Whilst the signal remains active (high), the price of the program is
reduced by the percentage entered in the price programming menu.
21
1
P
U
M
P
D
R
A
IN
1
H O T
1
C O L D
1
CPU
2
3
1
2
3
4
1
2
3
4
D R A IN
P-BUS
P-BUS
1
2
3
3
:I
n
p
u
t
P
ri
c
e
r
e
d
u
c
ti
o
n
1
:C
o
m
5
-2
4
V
A
C
/D
C
2
:C
o
m
1
0
0
-2
4
0
V
A
C
fig.6636
