SMC Networks HRR012-A*-20 Series Operation Manual

HRX-OM-W004
Chapter 2 Contact input/output communication
HRR Series 2.5 Contact input signal
2-13
2.5.1 Run/stop・Run・Stop・External switch signal
1) Run/stop signal (Signal type: Alternate)
The product keeps operating while the input signal from the customer is ON.
2) Run/stop signal (Signal type: Momentary)
The state changes when the input signal from the customer goes ON. This signal operates while
the product is stopped, and stops while the product is being operated.
3) Run signal (Signal type: Alternate) /Stop signal (Signal type：Alternate)
Digital input signal 1 is for Run signal（Signal type：Alternate）, digital input signal 2 is for stop
signal(Signal type: Alternate). Stop signal becomes valid when both signals are turned ON.
① The product starts operation when the contact input signal 1 is turned ON.
②
The product stops operation when the contact input signal 2 is turned ON.
③
The product starts operation because the contact input signal 1 is turned ON
although the contact input signal 2 is OFF.
OFF
ON
Run
Stop
Product condition
Run/stop signal
(Momentary)
OFF
ON
Run
Stop
Product condition
Run signal
OFF
ON
Stop signal
②
①
③
OFF
ON
Run
Stop
Product condition
Run/stop signal
（Alternate）

SMC Networks HRR012-A*-20 Series Specifications

General

Brand	SMC Networks
Model	HRR012-A*-20 Series
Category	Chiller
Language	English