AAON ASM02780 - MODBUS Communication Setup; MODBUS TRU Connection Diagram

1-41
Pioneer Gold 3.00 Controller Technical Guide
Figure 1-16: MODBUS TRU Connection to BMS
MODBUS RTU Connection to BMS
Programming Note:
Use the Network Menu in the Touchscreen
LCD Display to program the BACnet
®
MS/TP
setting.
Wiring Notes:
1. All wiring to be in accordance with local and
national electrical codes and specifications.
2. All communication wiring to be 18-gauge
minimum, two-conductor, twisted-pair with
shield. Use Belden #82760 or equivalent.
Typical terminal blocks. All
wiring to be S (G) to S (G),
A- to A-, and B+ to B+
LM2904
M2904
B
L
T
B
t
.
L
A
B
O
R
T
I
E
S
A
R
O
.
T
E
S
T
R
I
G
N
A
C
n
e
2019WXX
MODBUS POINTS
MODBUS Connection