Control Installation Chore-Tronics® 2 Control
86
MT1843B
Analog Expansion Boards- Each Analog Expansion Board (AI.4 board) adds 4
additional Analog Inputs to the Chore-Tronics
®
2 Control. There is a Blue Jumper
located above each Analog Input (Item 2, Figure 100). This Blue Jumper needs to
be set in the "R" position if a resistive Analog Input (Temperature Sensors and
Potentiometers) is connected. The Blue Jumper should be set to "U" if a voltage
Analog Input (Static Pressure Sensor, Relative Humidity Sensor) is connected. There
is a +24 Vdc output available if needed. When assigning the Input in the Setup-
General screen make sure that the number of the Analog Expansion Board is correct
along with the number of the Analog Input itself (1-4). It is highly recommended that
the name of the Input as well as its assigned location be written on the Input Decal
located on the Cover Plate of the Main Box and also recorded in the Input
Assignments Diagram on page 113.
Digital Expansion Boards- Each Digital Expansion Board (DI.4 board) adds 4
additional digital inputs to the Chore-Tronics
®
2 Control. There are multiple +12 Vdc
outputs available if needed (Item 2, Figure 101). When assigning the Input in the
Setup-General screen make sure that the number of the Digital Expansion Board is
correct along with the number of the digital input itself. It is highly recommended
that the name of the Input as well as its assigned location be written on the Input decal
located on the cover plate of the main box and also recorded in the Input Assignment
Diagram on page 113.
Item Description
1 Analog Expansion Board
2Blue Jumper
3 +24 Vdc Output
3
2
1
Figure 100. Analog Expansion Board
2
Item Description
1 Analog Expansion Board
2 +24 Vdc Output
1
Figure 101. Digital Expansion Board
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