Andover Controls CMX 240 Series - RS-232 Port Pinouts and Cabling

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CMX 240 Series Installation Guide A-1

Appendix A

RS-232 Port

Pinouts

If you choose, you may use a standard 25-pin ribbon cable for connect-

ing a modem to either a controller or a terminal. However, to connect

any terminal to a controller, you should use a cable with the required

pinouts.

This appendix shows the required pinouts.

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Table of Contents5
Installing the CMX 240 Controller9
Site/System Setup Requirements10
Cabinet Dimensions11
Controller Dimensions11
Power Requirements12
Modem12
Infinet Cables12
Number of Infinet Controllers on CMX Infinet13
Tanknet and Probe Power Supply Cables14
Lightning Protection14
Building Ground Requirements14
Inspecting the Ground15
Environmental Requirements16
Laying out the Site Setup16
Installing the CMX 240 Series Controller17
Unpacking17
Parts Required17
Mounting and Wiring18
Figure 1. Backplate with Dimensions and Eyelets for Mounting19
Figure 2. Cabinet with Dimensions and Eyelets for Mounting20
Connecting the AC Power Cable to the Power Supply21
Figure 3. Metal Plate and Screw for Power Supply Wire21
Selecting the AC Input Voltage22
Finding Ports for Connecting Other Cables23
Figure 4. Locations of Ports and Connectors on the CMX 240 Face Plate24
Connecting the Terminal Screen25
Connecting to the Infinity Modem25
Wiring Infinet to the CMX 24026
Figure 5. Jumpering P1 Pins for CMX 240, Top View26
Wiring the Tanknet and Probe Power Supply27
Figure 6. Infinet Cable Wiring27
Figure 7. Attaching the Tanknet and Probe Power Supply Cables28
About the Safety Barriers29
Figure 8. Diagram of Safety Barrier Connection30
Powering up CMX 240 Series Controller31
Connecting the Battery32
Interpreting Status Lights Inside Cabinet33
Custom Port Status Lights33
Communication Status Lights33
Figure 9. Custom Port Status Lights33
Infinet Status Lights34
Figure 10. Communication Status Lights for Comm134
Figure 11. Communication Status Lights for Infinet34
Modem Power Light35
System Activity Status Lights35
Figure 12. System Activity Status Lights35
Using the CLEAR MEMORY Button36
Connecting the Andover Controls Service Tool36
RS-232 Port Pinouts37
240 Controller38
Figure A-1. Pinouts for Cables Connecting to RS-232 Ports on39
Figure B-1. Switch Settings for Switches 2 and 3 on Tank Probe42

Andover Controls CMX 240 Series - RS-232 Port Pinouts and Cabling

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