Ecolab Apex2 - Apex2 I;O Board Connections

Apex2 I/O Board Connections
Note: The components inside the Apex2 I/O enclosure are prewired
Pass wires through the hole in the Apex2 I/O enclosure for the cable sealing
block and connect to I/O Apex2 I/O board. Wires to pass through sealing block
include:
• Controller via RS-485 Communication Cable
• Inductive Probe
• Solid Rinse Aid Dispenser Power
• Rinse Aid IR Sensor, Out-of-product signal (connect to location ‘S’ on
Rinse Sensor Connector)
• Liquid out-of-product sensor (if using liquid rinse aid or liquid sanitizer)
• Blue to (-), Black to (S), Brown to (+)
• Rinse Thermistor
• Detergent Dispenser Lid Switch
• Pressure Switch (optional)
12
1
8
APEX
DETERGENT
LID SWITCH
SANITIZER
MOTOR
PRESSURE
SWITCH
(OPTIONAL)
DETERGENT
VALVE
APEX RINSE
MAIN POWER
RED +
BLK -
BLK S
BRN +
BLK
RED
RED
BLK
BLK
-
RED
+
BRN
+
1
4
1
6
-
+
+
+
-
-
}
}
}
DETERGENT SIGNAL
RINSE SIGNAL
(NOT USED WITH
PRESSURE SWITCH)
SANITIZER SIGNAL
POWER IN
(FROM POWER SUPPLY)
(RETRO-FIT)
POWER IN
MACHINE SIGNALS
24 VDC
WHT
WHT
BLK
-
RINSE
THERMISTOR
BLK
-
CONTROLLER
LIQUID SANITIZER
SENSOR
GRY S
IR SENSOR
RINSE LID SWITCH
JUMPER
SANITIZER LID SWITCH
JUMPER
TERMINATING
PLUG
RINSE
MOTOR
CONDUCTIVITY
PROBE
LIQUID RINSE
SENSOR
BLU -
RED
+
24-240 VAC OR 24 VDC
Controller and terminating
plug connections can be
reversed without issue
12 / 5 VDC
I/O Board
Communication
(blinking)
Figure 4.11