HRX-OM-W004
Chapter 2 Contact input/output communication
HRR Series 2.1
Precautions for communication
2-1
Chapter 2 Contact input/output
communication
The device is equipped with a terminal which runs/stops the product. It is also
equipped with a terminal which picks up operation signals, alarm signals and
setting condition.
The device starts contact input/output communication according to the setting
of the operation display panel. Contact input/output communication can be
customized by changing the settings. Table 2-1 ‘’Customizable content’’
shows the contents which can be changed by the operation display panel.
Table 2-1 Customizable content
Signal Can be changed
Contact input signal (2pcs.) Signal configuration (Alternate/Momentary)
Contact output signal (3pcs.) Type of signal, signal operation (N.O type / N.C type)
2.1 Precautions for communication
2.1.1 Precautions wiring communication
○Communication wiring
A communication cable that connects the product and customer system is not
included with the product. Please prepare a cable, referring to 2.3
“Connection explanation“. In order to avoid malfunction, do not connect to
any place other than those shown in 2.3 “Connection explanation“.
○Power supply
To use the power of the product, the total load current must be 500mA or
less.
2.1.2 Precautions after wiring and before communication
○Check or set the communication mode by the operation display panel.
・Communication mode shall be DIO.
Other modes can perform reading, but only DIO mode can perform writing.
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