10.9 (a) Input/Output Board (B2C Machines)
The Input/Output Board is mounted onto the power supply chassis. This is located
on the PSU chassis on the left hand side of the machine and can be accessed by
removing the lower front panel.
N.B. This board has been supersded,
see page 104.
J16
2
1
J14
2
1
D37
D36
D35
D33
D32
D31
D30
D29
D27
D28
31
34
36
35
32
33
28
30
29
27
26
2
25
23
24
22
21
20
19
18
17
14
15
16
8
13
12
11
J10
10
9
5
7
6
4
3
1
SSR GND
SSR 24V
24V
24V
24V
24V
24V
24V
INPUT/OUTPUT BOARD
D9
D10
D12
D11
D14
D15
D16
D13
D18
D24
D23
D22
D21
D19
D20
D17
D26
D25
LED’s
24V
GND
2
J1
1
3
D8
D6
D7
D4
D5
D3
1
3
4
2
J7
J2
GND
PROBE
PROBE
GND
TXD
RXD
GND
RST
J5
CLK
J15 J17 J18 J19 J20 J21
OUTPUT
GND
GND
5V+
OUTPUT
5V+
J4
GND
GND
J3
D34
D38
D39
D40
D41
D42
3
1
2
4
5
2
1
3
1
3
2
1
3
2
1
2
3
1
1
3
2
3
2
8
9
5
6
7
3
4
1
2
5
6
3
4
1
2
CUP SPLITTER
SOLENOID
GRINDER
MOTOR
PUMP 1
PUMP 2
DISPENSE HEAD
OPTO SENSOR
CDU CUP
SENSOR
FLOW METER
SERIAL
COMMS
CAROUSEL
POSITION SWITCH
DISPENSE HEAD
HOME SWITCH
BREWER HOME
POSITION SWITCH
SWITCH MODE
POWER SUPPLY
WASTE PROBE
TURRET MOTOR
INLET VALVE
HOT WATER VALVE
PRESSURE VALVE
ESPRESSO VALVE
MOTORS
VALVES
WHIPPERS
BREWER
MOTOR
DISPENSE
HEAD MOTOR
SOLID
STATE
RELAY
D3 = VALVE 1 (MILK/SUGAR)
D4 = MOTOR 1 (MILK)
D6 = WHIPPER 1 (MILK/SUGAR)
D5 = MOTOR 2 (SUGAR)
D9 = WHIPPER 2 (TOPPING)
D10 = VALVE 4 (CHOCOLATE)
D8 = MOTOR 3 (TOPPING)
D7 = VALVE 3 (TOPPING)
D15 = ESPRESSO VALVE
D16 =
D18 =
D17 = PRESSURE VALVE
D13 =
D14 = MOTOR 5 (F/B COFFEE)
D12 = WHIPPER 3 (CHOCOLATE)
D11 = MOTOR 4 (CHOCOLATE)
D33 = HEATER
D34 = CDU SOLENOID
D35 = BREWER ON
D36 = BREWER (LEFT)
D37 = BREWER (RIGHT)
D38 = GRINDER
D39 = PUMP 1
D40 = PUMP 2
D41 =
D42 =
D32 =
D27 = DISP HEAD MOTOR OUT
D28 = DISP HEAD MOTOR IN
D30 =
D29 = DISP HEAD MOTOR ON
D31 =
D23 = INLET VALVE
D24 = TURRET MOTOR
D26 =
D25 =
D21 =
D22 = VALVE 2 (HOT WATER)
D20 =
D19 =
I/O Board
LED Reference
Technical Manual
103
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