Watlow Ez-Zone PM4 - A Network Using Watlows Standard Bus and an Rui;Gateway

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Warning:
Use National Electric (NEC)
or other country-specific
standard wiring and safety
practices when wiring and
connecting this controller to
a power source and to elec-
trical sensors or peripheral
devices. Failure to do so may
result in damage to equip-
ment and property, and/or
injury or loss of life.
Note:
Maximum wire size termina-
tion and torque rating:
• 0.0507 to 3.30 mm
2
(30 to
12 AWG) single-wire termi-
nation or two 1.31 mm
2
(16
AWG)
• 0.8 Nm (7.0 lb.-in.) torque
Note:
Adjacent terminals may be
labeled differently, depend-
ing on the model number.
Note:
To prevent damage to the
controller, do not connect
wires to unused terminals.
Note:
Maintain electrical isolation
between analog input 1, digi-
tal input-outputs, switched
dc/open collector outputs and
process outputs to prevent
ground loops.
Note:
The control output common
terminal and the digital com-
mon terminal are referenced
to different voltages and
must remain isolated.
Watlow EZ-ZONE
®
PM PID Controller • 22 • Chapter 2 Install and Wire
A Network Using Watlow's Standard Bus and an RUI/Gateway
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 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
EZ-ZONE PM
PM_ _ _ _ _-1AAAAXX
- A
+ B
com
- A
+ B
common
power
- A
+ B
common
power
power
power
EZ-ZONE PM
PM_ _ _ _ _-AAAAAXX
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 _ _- _ _ _ _