Hitachi PC-ARF Technical Catalogue page 405

5 Centralised remote controls
PSC-A64S
7 Simultaneous Alarm Output.
This function is for outputting signal outward in the case where there is any air conditioner in abnormal condition in
the group set by the central station.
The input function is set by DSW2 as shown in the table below:
*Both ON and OFF setting are available. Set ON or OFF by the emergency stop or the demand function.
Specifications of Required Components:
- Input: DC12V,10 mA Non-voltage A contact (pulse with more than 300 ms)
- Output: OMRON MY Relay
Cable: PCC-1A
-
As for demand input, the group to be controlled can be set when signal is input.
389
TCGB0106 rev.0 - 12/2014
DSW Pin Nº
Function
1
Simultaneous
Operation/Stop-
OFF
page (Level)
Simultaneous
Operation/Stop- ON OFF
page (Pulse)
Emergency Stop OFF ON
Demand 1~3 OFF OFF
Cable with Connector (Option): PCC-1A
Cable more than 0.5 mm2
(Field-supplied, max. length: 70m)
Remarks
2 3 4
CN2 1-2 Pin
* OFF OFF Contact Con-
nection
CN2 1-2 Pin
OFF OFF Contact Con-
nection
CN2 2-3 Pin
OFF OFF Contact Con-
nection
CN2 2-3 Pin
OFF OFF Contact Con-
nection
Non-voltage A
contact Input
5