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5.6 Connection of digital input terminals and function selection (option)
This is for the recorder with alarm output terminals (option)
1) Digital input terminal
2) Connections
Turn off the power supply before connections to prevent
an electric shock.
(1) Apply a no-voltage contact signal to digital input
terminals.
(2) Use cables terminated by crimp style terminals with
insulation sleeves for the digital input terminals.
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Function of the terminals
(1) Digital input
ON/OFF (short/open) state can be measured. Select the range type as DI.
(Refer to Para.13.2 Input operation settings.)
(2) Pulse input
Used as the pulse input. Select the range type as Pulse (+) and Pulse (-).
(Refer to Para.13.2 Input operation settings.)
(3) Totalizer reset The reset of totalizer is executed. When the digital input terminal specified
becomes ON, the totalizer reset is executed.
(Refer to Para.13.6 Totalizer reset settings.)
(4) Marker
The writing of marker. The marker can be written on the trends when the digital
input terminals become ON.
(Refer to Para. 13.8 Marker text settings.)
(5) File drive
The recording start/stop of data file in the internal memory is executed.
The recording starts or stops when the digital input terminals become ON or OFF.
(Refer to Para. 13.5 File settings.)
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Voltage when the contact is open :
Approximately 5 V
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Current when contact short :
Approximately 2 mA
Features of digital input terminal
Notes
DI
1
2
3
4
5
6
7 8
COM
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Connection example
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No voltage contact input
For the contact to be connected to the Digital
input terminal, use a switch or relay driven at
lower than 30 V AC or lower than 60 V DC,
or manual contacts for very light loads.
Caution
Upper step
Digital input
terminal
Содержание KR2000
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