Yokogawa PC-Based MX100 - Manual (Page 16)

16
IM MX100-0E
Wiring the Universal Input Module and DCV/TC/DI Input Module
• Thermocouple input • RTD input
Lead wire resistance per
wire of 10 Ω or less*.
Make the resistance of the
three wires equal.
A plate with clamp terminals for current
with built-in shunt resistance can be
attached to the 10-CH, Medium-Speed
Universal Input Module.
A
b
B
Compensation
lead
b
A
B
b
A
B
* In the case of Pt100 Ω.
5 Ω max for Pt50 Ω.
1 Ω max. for Cu10 Ω.
• DC voltage input/DI input (contact) • DC current input
DC current input
Shunt resistor
Example: For 4 to 20 mA input, shunt
resistance values should be 250 Ω ± 0.1%.
–
+ +
b
A
B
DC voltage
input
Contact
or
b
A
B
Terminal type: Clamp, or screw (in the case of M3: -L30/H3)
Applicable wire size: For -H04: 0.2 to 2.5mm 2 (AWG24 to 12)
For -M10 and -L30 (clamp): 0.14 to 1.5mm 2 (AWG26 to 16)
Note
• On the 10-CH, Medium-Speed Universal Input module, RTD input terminals A and B are
isolated on each channel. Terminal b is shorted internally across all channels.
• Measurement using RTDs cannot be performed with the 30-CH, Medium-Speed DCV/TC/DI
Input Module.
• When the screw terminal plate (model 772080) is connected to the 10-CH, Medium-Speed
Universal Input Module, the terminal arrangement differs from that of clamped terminals, so
wire according to the markings on the terminal cover.
Wiring the Four-Wire RTD Resistance Input Modules
A
B
I
C
A
B
Voltage
Nothing connected to
the I or C terminal
Resistance, RTD
+
Resistance per lead wire of 10 Ω or less
DC voltage
input
Contact
I
C
DC current input
Shunt resistor
Example: For 4 to 20 mA input, shunt resistance
values should be 250 Ω ± 0.1%.
–
+
C
I
A
B
• DC current input
• DC voltage input/DI (contact) input • RTD input, resistance input
Terminal type: Clamp
Applicable wire size: 0.14 to 1.5mm 2 (AWG26 to 16)
Signal Wiring of the MX100