Monarch nice3000 - Modbus Communication

3 Mechanical and Electrical Installation NICE3000
new
User Manual
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3
3.3.4 Modbus Communication
◆
Hardware Connection and EMC Precautions
1. RS485 hardware connection
Figure 3-25 RS485 connection between the controller and the HCB
Inspection up
Inspection signal
Inspection down
NICE3000
new
CN1
CN9
CN3
CN2
CN7
X1
X2
X3
X4
X5
X6
X7
X
8
X9
X10
X11
X12
X13
X14
X15
X16
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M
Ai
X25
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XCOM
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M1
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M2
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M3
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M6
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R
S
T
PRG
UP
SET
+
– PB
U
V
W
J12
24V
COM
CAN+
CAN-
MOD+
MOD-
MCTC-HCB
24V
MOD-
MOD+
CN12
CN1
Top floor
MCTC-PG
COM
MCTC-
HCB
24V
MOD-
MOD+
CN1
COM
MCTC-HCB
24V
MOD-
MOD+
CN1
Bottom floor
COM