
Watlow EZ-ZONE
®
RML Module • 27 • Chapter 2 Install and Wire
98
99
CF
CD
CE
B5
D6
D5
- A
+ B
common
Power
Supply
- A
+ B
common
RUI/Gateway
EZKB-_A_ _-_ _ _ _
EZ-ZONE
®
PM
fuse
EZ-ZONE
®
RML
RMLx-xxxx-xAxx
Limit Module
Slot C
- A
+ B
common
CY
CX
CZ
CE
CD
CF
99
98
98
99
CF
CD
CE
98
99
CC
CA
CB
B5
D6
D5
- A
+ B
common
Power
Supply
- A
+ B
common
PLC
EZ-ZONE
®
PM
fuse
Slot C
- A
+ B
common
CY
CX
CZ
CB
CA
CC
99
98
EZ-ZONE
®
RML
RMLx-xxxx-x1xx
Limit Module
- A
+ B
common
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 termination resistor is 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.
A network using Watlow's Standard Bus and an RUI/Gate
way.
A network using Modbus RTU
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