Frymaster H55 Series - Page 49

Automatic Filtering Fryers
4-5
Data Network Flow Chart
Right
M3000
J7J6
120 ȍ Pins
2 & 3
NOTE: Pins 2 & 3 can
be tested on any plug
throughout the system
and should read 120ȍ.
START OF
6-WIRE
DATA AND
POWER
(24VDC)
HARNESS
3-wire harness
HarnessHarness
Pi n #Pi n #
FunctionFu n ction
VoltageVoltage Wi r e Col or
11 GroundGround Black 22 CAN LoCAN Lo Red 33 CAN HiCAN Hi White 44 55 66
NOT USED
11 GroundGround Black 22 CAN LoCAN Lo Red 33 CAN HiCAN Hi White 44 5VDC+5VDC+ 5VDC5VDC Black 55 24VDC24VDC 24VDC24VDC Red 66 White
GroundGround
6-wire harness
3-wire harness
For systems that have
a LON Board and/or 4
or 5 battery systems
have an additional
ATO Board.
2
nd
ATO
board
only in 4
and 5
batteries
Turn each computer to OFF. Press the TEMP button on each computer and verify ALL software
versions are present (M3000, MIB, AIF, ATO and
LON on US only). A missing version may indicate
an open connection. Connections from the MIB to
the AIF boards carry 24VDC on the gray cable.
J7J6J7J6
3-wire harness
MIB
J1J2
Left
AIF
J5J4
6-wire
harness
Oil Level
Sensor
(gas onl y)
Center
AIF
J5J4
Oil Level
Sensor
(gas onl y)
Right
AIF
J5J4
Oil Level
Sensor
(gas only)
The data network plugs
on the boards can be
swapped. (ie. J4 and J5 on the AIF board.)
ATO
J10J9
6-wire
harness
6-wire
harness
LON
J203J202
120 ȍ Pins
2 & 3
6-wire harness
ATO
J10J9
2
nd
ATO
J10J9
LON
J203 J202
120 ȍ Pins
2 & 3
6-wire harness
6-wire
harness
J7J6
120 ȍ Pins
2 & 3
NOTE: Pins 2 & 3 can
be tested on any plug
throughout the system
and should read 120ȍ.
START OF
6-WIRE
DATA AND
POWER
(24VDC)
HARNESS
3-wire harness
Harness
Pi n #
Function
Voltage Wi r e Col or
1 Ground Black 2 CAN Lo Red 3 CAN Hi White 4 5 6
NOT USED
1 Ground Black 2 CAN Lo Red 3 CAN Hi White 4 5VDC+ 5VDC Black 5 24VDC 24VDC Red 6 White
Ground
6-wire harness
3-wire harness
For systems that have
a LON Board and/or 4
or 5 battery systems
have an additional
ATO Board.
2
nd
ATO
board
only in 4
and 5
batteries
Turn each computer to OFF. Press the TEMP button on each computer and verify ALL software
versions are present (M3000, MIB, AIF, ATO and
LON on US only). A missing version may indicate
an open connection. Connections from the MIB to
the AIF boards carry 24VDC on the gray cable.
J7J6J7J6
3-wire harness
MIB
J1J2
Left
AIF
J5J4
6-wire
harness
Oil Level
Sensor
(gas onl y)
Center
AIF
J5J4
Oil Level
Sensor
(gas onl y)
Right
AIF
J5J4
Oil Level
Sensor
(gas only)
The data network plugs
on the boards can be
swapped. (ie. J4 and J5 on the AIF board.)
ATO
J10J9
6-wire
harness
6-wire
harness
LON
J203J202
120 ȍ Pins
2 & 3
6-wire harness
ATO
J10J9
2
nd
ATO
J10J9
LON
J203 J202
120 ȍ Pins
2 & 3
6-wire harness
6-wire
harness
Right
Controller
Center
Controller
Left
Controller
OQS
Sensor