Frymaster H55 Series Technical Reference Manual page 128

SIB (Smart Interface Board) Pin Positions and Harnesses
NOTE: DO NOT CHECK WITH HARNESSES UNPLUGGED (except ATO and Temp Probes) AS SHORTING THE PINS MAY OCCUR WHICH WILL
DAMAGE THE BOARD.
Connector From/To
From Transformer
To High Limit
From High Limit
To Latch Contactor
To Heat Contactor
To Hood Relay
J1
Left SIB Jumper
Left SIB Jumper
J2 Not Used
J3 ATO Probe
J6 Controller
C-Bus Harness
J7
C-Bus Harness or
J8 Network Resistor
(pins 2 & 3)
P-Bus Power Communication
J9
from SIB to VIB or between SIB's
RJ11
P-Bus Power Communication
J10 from SIB to VIB or between SIB's
RJ11
J11 Cooking Probe
Touchscreen-Equipped Fryers
Harness #
8075951 Full or
Right of Split
8075952 Left
Split
8263286
8075549 or
8075551
8075549 or
8075551 or
(8075632
Resistor)
8075553
8075555
8263450
5-25
Pin
# Function
1 24VAC Input
2 Ground -
3 24VAC Out
4 24VAC Input
7 24VAC Out
8 24VAC Out
9 12VDC Out
10
11
14
16
17 Ground -
18 5VDC Out
20
1 Ground
2 RTD
3
1 C-BUS +
2 C-BUS -
3 5VDC
4 RS485 -
5 RS485 +
6 Signal Ground
7 12VDC
8 Signal Ground
1 5VDC+
2 CAN High
3 CAN Low
4 Ground
1 5VDC+
2 CAN High
3 CAN Low
4 Ground
1 Ground
2 P-BUS power
3 Modbus RS485 B
4 Modbus RS485 A
5 Signal ground
6 P-BUS power
1 Ground
2 P-BUS power
3 Modbus RS485 B
4 Modbus RS485 A
5 Signal ground
6 P-BUS power
1 Ground
2 Probe
Wire
Voltage Color
24VAC Orange
Blue
24VAC Orange
24VAC Blue
24VAC Orange
24VAC Orange
12VDC Yellow
Yellow
Brown
Blue
Blue
Black
5VDC Black
Orange
Yellow
3.3VDC Red
5VDC
5VDC
5VDC
5VDC
5VDC
12VDC
+5VDC
+5VDC
+5VDC
+12VDC
+5VDC
+12VDC
Yellow
3.3VDC Red