Honeywell Touchpoint Pro Technical Handbook page 53

The following diagrams show typical ring wiring. For clarity, screens are omitted.
Part. No. 2400M2501_6
MODBUS INSTALLATION
Ao +
1
Ao -
2
Bi +
3
TB2
Bi -
4
5
Controller
Bo +
1
Bo -
2
Ai +
TB3
3
Ai -
4
5
Figure 60. Ring Network Connections
Ao +
1
Ao -
2
TB2
Bi +
3
Bi -
4
Controller
Bo +
1
Bo -
2
TB3
Ai +
3
Ai -
4
Ring Network – Dual Backplane
Figure 61.
Ain +
1
2
Ain -
3
Bo +
4
Bo -
6 5
RCM
Bi +
7
8
Bi -
9
Ao +
10
Ao -
12 11
Ain +
1
Ain -
3
Bo +
4
Bo -
6
RCM 1
Bi +
7
Bi -
9
Ao +
10
Ao -
12
Ain +
1
Ain -
3
Bo +
4
Bo -
6
RCM 2
Bi +
7
Bi -
9
Ao +
10
Ao -
12
46
DRN
Backplane
DRN
2
5
Backplane
8
11
2
5
Backplane
8
11
Touchpoint Pro
Technical Handbook