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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
electrical sensors or periph-
eral devices. Failure to do
so may result in damage
to equipment and property,
and/or injury or loss of life.
Spring clamp wiring connector
note:
To insert the wire, push the
wire into the desired connec-
tion number, and it should
automatically lock into place.
To remove the wire, press and
hold the orange release tab
with a small screwdriver. Pull
the wire out of the connection.
Solid or tinned wire recom-
mended.
Note: To prevent ground
loops, isolation needs to be
maintained from input to out-
put when using switched DC
or analog process outputs.
ç
WARNING: Process input
may not have sensor break
protection. Outputs can
remain full on. Check your
input settings.
Wat lo w Se rie s S D
Thermocouple Input
Figure 12a —
(all model numbers)
Thermocouples are polarity sensitive. The negative lead (usually red) must be
connected to terminal 11.
• Input impedance: >20 MΩ
+10
-11
RTD Input (100 Ω DIN curve 0.00385 Ω/Ω/°C)
Figure 12b —
(all model numbers)
Terminals 8 and 11 must be shorted for a two-wire RTD. For three-wire RTDs,
the S1 lead (usually white) must be connected to terminal 10.
• Nominal excitation current: 390μA
S2 8
S1 10
11
S2 8
S1 10
S3 11
0 to 10V
Figure 12c —
(all model numbers)
• Input impedance 20 kΩ, dc only.
+
9
11
-
0 to 50mV
Figure 12d —
(all model numbers)
• Input impedance >20 MΩ, dc only.
+
10
-
11
12
•
10
11
8
10
2-wire RTD
11
3-wire RTD
(dc) Process Input
Î
9
11
(dc) Process Input
Î
10
11
•
Chapter 2 Instal l and W i re
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