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TERMINAL CONNECTIONS
Connect the unit as in the diagram below or refer to the connection diagram on the side of the unit.
■ EXTERNAL DIMENSIONS unit: mm (inch)
■ CONNECTION DIAGRAM
RTD
A
INPUT 1
B
B
RTD
A
INPUT 2
B
B
• Unused Input Channels
Close across the unused input terminals with a resistor as
shown below and set the DIP switch for Pt 100 input.
INPUT 1
100Ω
If a resistor is not connected to unused input terminals, sta-
tus indicator LED blinks in red (0.5 sec. cycle), and a burn-
out flag is set in the PLC or the host device.
8–M3
SCREW TERMINAL
7.5 (.30)
*Screwdriver stem diameter: 6 mm (.24") or less
1
INTERNAL
BUS
2
3
INTERNAL
POWER
5
6
7
INPUT 2
1
5
2
6
3
7
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
SCREWDRIVER *
WIRE INSERTION ANGLE
INSERTION ANGLE
: approx. 35°
: approx. 55°
5
6
7
1
2
3
102 (4.02)
WIRING INSTRUCTIONS
■ SCREW TERMINAL
Torque: 0.5 N·m
■ SOLDERLESS TERMINAL unit: mm (inch)
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable.
Solderless terminals with insulation sleeve do not fit.
Applicable wire size: 0.2 – 2.5 mm
5.5 max.
(.22)
R6N-RS2
8
4
2
4 min.
(.16)
3.2 (.13) dia.
EM-7781-BK Rev.3 P. 3 / 4
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