Omron NSA12-15-TX11B, Руководство пользователя

Страница: 64 / 114

4-2 Special RAS Board Functions
4-2-2 Setting Procedure
4-6
4
RAS Functions
z
Setting the DIP Switch
RAS Function Settings (Hardware Settings)
Pin
No. Function
1 Not used (Default setting: OFF)
2 Not used (Default setting: OFF)
3 Not used (Default setting: OFF)
4 Not used (Default setting: OFF)
5
Specifies the method for using the external input port (UPS power interrupt signal
connector).
ON: Use for UPS connection.
OFF:
Use as general input port (default setting).
6
Specifies the ACFAIL signal input method for the external input port (UPS power
interrupt signal connector). (See note.)
ON: Normally supplies 24 V; Open at PWR-FAIL.
OFF: Normally open; supplies 24 V at PWR-FAIL. (Recommended/default setting.)
7 Always OFF
8
Enables and disables the Action on Error operation of the special RAS Board
monitoring functions (alive, startup, and shutdown monitoring).
ON: Disables operation when there is an error.
OFF: Enables operation when there is an error (default setting).
Note: Select the appropriate input method for the system you are using.
Note
Be sure to turn OFF the NSA-series Industrial PC power supply (external input power
supply) before setting the DIP switch.