Watlow EZ-ZONE RMC Manual de usuario Pagina 38

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Watlow EZ-ZONE
®
RMC Module 35 Chapter 2 Install and Wire
Wiring a Serial EIA-485 Network
Do not route network wires with power wires. Con-
nect network wires in daisy-chain fashion when con-
necting multiple devices in a network. A termina-
tion resistor may be required. Place a 120 Ω resistor
across T+/R+ and T-/R- of the last controller on a
network. Only one protocol per port is available at a
time: either Modbus RTU or Standard Bus.
Note:
Termination resistors when used, require a termina-
tion resistor at both ends of the network.
A Network Using Watlow's Standard Bus and an RUI/Gateway
- A
+ B
com
- A
+ B
common
power
- A
+ B
common
power
power
power
EZ-ZONE PM
EZ-ZONE ST
ST_ _ - (B or F) _ M _ -_ _ _ _
98
99
CF
CD
CE
B5
D6
D5
Power
Supply
fuse
EZ-ZONE RM
98
99
S
l
o
t
C
power
CZ
CE
CX
CY
CD
CF
- A
+ B
common
98
99
CF
CD
CE
B5
D6
D5
98
99
CF
CD
CE
RUI/Gateway
EZKB-_ A _ _- _ _ _ _
A Network Using Modbus RTU
- A
+ B
com
98
99
CC
CA
CB
B5
D6
D5
power
- A
+ B
common
power
- A
+ B
common
power
power
power
power
EZ-ZONE PM
EZ-ZONE ST
ST_ _ - (B or F) _ M _ -_ _ _ _
PLC
98
99
CC
CA
CB
B5
D6
D5
Power
Supply
fuse
EZ-ZONE RM
98
99
S
l
o
t
C
power
CZ
CB
CX
CY
CA
CC
- A
+ B
common
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