Alarm Inputs

Four photocoupler inputs are provided for alarm inputs. Alarm signals can be connected to any of the inputs as follows.

To use the electrically isolated inputs, the connected device must have 5 to 20-V DC output, connected as follows.

Inside server← →

Outside server

Approx. 4.7 k

Alarm Device

 

Pins 3, 5, 11 and 13+

 

5 to 20V DC Output

Pins 4, 6, 12 and 14

Pin 15

 

Max. 24V AC/DC

 

@100 mA

 

Pin 16

 

If an alarm device has mechanically switched or open- collector outputs that do not need to be electrically isolated, connect as follows.

Inside server

Outside server

Pin 9

 

 

 

Approx. 4.7 k

 

 

 

Pins 3, 5, 11 and 13

 

Pins 4, 6, 12 and 14

 

Pin 10

 

 

 

Mechanically switched

Mechanically

output device

 

switched output

 

 

 

device

Refer to the respective manuals for details on setting up the EVI-D30/D31/G20/G21 and HSR-1/1P/2/2P.

Please note that specifications and external appearance may be changed for purposes of improvement without notification.

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Sony snt-v manual Alarm Inputs