25
IM XL120P
Wiring Diagram
Use wires of the following specifications.
TC input
DC voltage input
RTD input
–
+
A
B
b
Lead wire resistance per wire
of 10
Ω
or less. Make the
resistance of the three wires equal.
A
b
B
Extension leadwire
DC voltage input
+
–
+
–
ch
b
+
–
ch
b
+
–
ch
b
DC current input
DC current input
Shunt resistor
Example: For 4 to 20 mA input, use a shunt
resistor of 250
Ω
± 0.1%.
–
+
–
+
+
–
ch
b
Note
• For clamp terminals, use wires of the following specifications.
• Conductive cross-sectional area for single wire: 0.14 mm
2
to 2.5 mm
2
,
stranded wire: 0.14 mm
2
to 1.5 mm
2
AWG: 26 to 14
• Length of the stripped section of the wire: Approx. 7 mm
Input signal wires whose diameter is 0.3 mm or less may not be securely
fastened. Fold over the conducting section of the wire, for example, to make
sure that the wire is securely fastened to the clamped terminal.
• RTD input terminals A (+) and B (–) are isolated on each channel. Terminal b
is shorted internally across all channels.
Other Wiring
• For a description of the pulse input, logic input, and alarm output wiring, see
section 3.4, “Wiring the Pulse Input, Logic Input, and Signal Cables” in the
User’s Manual.
• For a description of the external trigger input/output wiring, see section 3.5,
“Wiring the External Trigger I/O Signal Cables” in the User’s Manual.
7. Signal Wiring
Summary of Contents for Datum Y XL100
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