Chipkin CAS 2700-02 VeederRoot, User Manual

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Chipkin™ VeederRoot® Gateway User Manual
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PIN-OUT
The CAS 2700-02 VeederRoot® Gateway has two serial ports. This section describes the pin-out for
using the port with a specific protocol.
Port 0 – RS485 – Modbus RTU
Pin-out for the DB9 Terminal Block for Modbus RTU communication – See Figure above (Figure 3.2-2)
for a visual of what it should look like.
- Pin 1 jumped to Pin 3 => wire connected to Pin 1 connects to the positive terminal of the
Modbus Device.
- Pin 2 jumped to Pin 4 => wire connected to Pin 4 connects to the negative terminal of the
Modbus Device.
- Pin 5 connects to the ground or common terminal of the Modbus Device.
- Pin 6 jumped to Pin 9
- Pin 7 jumped to Pin 8.
Port 1 – RS232 – VeederRoot® Serial
The following shows the pin-out required for the VeederRoot serial communication.
Figure 3.2-3 - RS232 Pin-out for Port 1 to the VeederRoot panel