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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 mm2 (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
•
14
•
Chapter 2 Install and Wire
Low Power
Power
power
power
98
99
CF
CD
CE
B5
D6
D5
Slot C
fuse
• Minimum/Maximum Ratings
• 12 to 40V
Î
(dc)
• 20 to 28V
Å
(ac) Semi Sig F47
• 47 to 63 Hz
• 14VA maximum power consumption (PM4,8 & 9)
• 10VA maximum power consumption (PM3 & 6)
PM_ _
[3,4]
_ _ - _ _ _ _ _ _ _
High Power
Power
power
power
98
99
CF
CD
CE
B5
D6
D5
Slot C
fuse
• Minimum/Maximum Ratings
• 85 to 264V
Å
(ac)
• 100 to 240V
Å
(ac) Semi Sig F47
• 47 to 63 Hz
• 14VA maximum power consumption (PM4,8 & 9)
• 10VA maximum power consumption (PM3 & 6)
PM_ _
[1,2]
_ _ - _ _ _ _ _ _ _
Digital Input 5, 6
input 5
common -
98
99
CF
CD
CE
B5
D6
D5
Slot C
input 6
Digital Input
• Update rate 10 Hz
• Dry contact or dc voltage
DC Voltage
• Input not to exceed 36V at
3 mA
• Input active when > 3V @
0.25 mA
• Input inactive when < 2V
Dry Contact
• Input inactive when >
500 Ω
• Input active when < 100 Ω
• maximum short circuit 13
mA
PM
_
_
[2,4]
_ _-_ _ _ _ _ _ _
Voltage Input
B
common
Vdc
D
_
_
Dry Contact
B
common
24 Vdc
_
_
D
