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SMC Networks HRR012-A*-20 Series - Chapter 2 Contact Input;Output Communication; Precautions for Communication; Precautions Wiring Communication; Precautions after Wiring and before Communication

SMC Networks HRR012-A*-20 Series
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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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