Installation
1-13
September 2004
Using an INMAC Converter
To wire the RS485 serial port using an INMAC converter, refer to
Figure 1-5
on page 1-16 and complete the following steps:
1.
Route one end of the cable through the conduit hole and wire the
leads to the COMMUNICATION terminal block as shown in
Figure 1-5
on page 1-16. Then, secure the cable clamp.
2.
Connect the other end of the cable to the converter, as shown in
Figure 1-3
below.
3.
Do one of the following:
•
Proceed to another section to continue wiring the AT868.
•
Reinstall the plastic shroud, replace the front cover on the
enclosure and tighten the screws.
Figure 1-3: Typical RS485 Connections
Using a Factory Serial
Interface
Use the following steps to link the AT868 to the control system using
a factory-installed RS485 serial interface:
1.
Route the wires through the conduit hole and connect the TMT+
lead to Pin 2 (RX) on the COMMUNICATION terminal block
(see
Figure 1-5
on page 1-16).
2.
Connect the TMT- lead to Pin 1 (TX) on the COMMUNICATION
terminal block. Then, secure the cable clamp.
3.
Connect the other end of the cable to the control system.
4.
Do one of the following:
•
Proceed to another section to continue wiring the AT868.
•
Reinstall the plastic shroud, replace the front cover on the
enclosure and tighten the screws.
4 RD IN
Model AT868
Converter
TX 1
RX 2
3
N.C. 3
2
N.C. 4
1 TD OUT
N.C. 5
Summary of Contents for AquaTrans AT868
Page 7: ...Chapter 1...
Page 25: ...Chapter 2...
Page 45: ...Chapter 3...
Page 50: ...Chapter 4...
Page 56: ...Appendix A...
Page 62: ...Appendix B...
Page 63: ...Measuring P and L Dimensions Measuring P and L B 1...
