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ALARM SETTING
The following parameters are programmable using the PC
Configurator Software (model: R3CON).
■ ALARM TRIP POINT
(-200.0 to +850.0°C or -328 to +1562°F; factory set to A1:
400.0°C, A2: 300.0°C, A3: 200.0°C, A4: 100.0°C)
Four alarm setpoints are selectable per each input.
■ ALARM TYPE (High or Low; factory set to A1: High, A2:
High, A3: Low, A4: Low)
High or Low alarm is selectable for each alarm trip point.
High alarm: An alarm is set when the input signal goes
above the setpoint.
Low alarm: An alarm is set when the input signal goes be-
low the setpoint.
■ DEADBAND (HYSTERESIS)
(0.00 to 100.0°C or 0 to 1800°F; factory set to 10.0°C or 100°F)
Deadband (deviation between the points where the alarm is
set and reset) is selectable for each alarm trip point.
■ POWER ON DELAY TIME
(0.0 to 99.0 seconds; factory set to 5.0)
The alarm output start functioning in the preset time after
the power has been turned on.
This setting is common to all four points.
■ ALARM ON DELAY TIME
(0.0 to 99.0 seconds; factory set to 1.0)
The alarm output is set when the preset time elapses after
the input has entered in the alarm range.
This setting is common to all four points.
■ ALARM HOLD TIME
(0.0 to 99.0 seconds; factory set to 1.0)
The alarm output is held for the preset time even if it is
reset in shorter time.
This setting is common to all four points.
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
OUTPUT DATA DESCRIPTIONS
Four alarm setpoints are selectable per each input. One
(1) word (16 bit) data is transmitted to the PLC or the host
device via the R3 network module.
15
WIRING INSTRUCTIONS
■ SCREW TERMINAL
Torque: 0.5 N·m
■ SOLDERLESS TERMINAL
Refer to the drawing below for recommended ring tongue
terminal size. Spade tongue type is also applicable. Solder-
less terminals with insulation sleeve do not fit.
Applicable wire size: 0.3 – 0.75 mm
Recommended manufacturer: Japan Solderless Terminal
MFG. Co., Ltd., Nichifu Co., Ltd.
4min
3max
12max
R3-AR4
0
Alarm 1
Alarm 2
Input 1
Alarm 3
Alarm 4
Alarm 1
Alarm 2
Input 2
Alarm 3
Alarm 4
Alarm 1
Alarm 2
Input 3
Alarm 3
Alarm 4
Alarm 1
Alarm 2
Input 4
Alarm 3
Alarm 4
2
3.2 dia.
(mm)
EM-8433 Rev.3 P. 4 / 4
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