Artesyn iHP - Global Inhibit;Enable Logic 0; Table 4-14

iHP Manual 62 | P a g e
iHP Owners Manual
 A ground connection or no connection will de-activate Enable function and will shut down all modules
4.2.2.6.4 Global Inhibit/Enable Logic “0”
The Global Inhibit/Enable Logic “0” (DSUB9 Pin5) signal functions to turn-off or turn-on all modules
simultaneously. This signal can be configured either Global Inhibit 0 or Global Enable 0 via ISOCOMM
WebTool.
When this pin is configured as Inhibit 0 (INH0),
 A 5V input or no connection will de-activate Inhibit function and all modules are enabled
 A ground input will activate Inhibit function and will shut down all modules
When this pin is configured as Enable 0 (EN0),
 A 5V input or no connection will de-activate Enable function and will shut down all modules
 A ground input will activate Enable function and all modules are enabled
Table 4-14 lists the functionality of these Inhibit and Enable signals based on the configuration of the supply.
Table 4-14
Configuration
iHP Rack DSUB9
Module
Status
Input to
Global Inhibit/Enable Logic “0”
Input to
Global Inhibit/Enable Logic “1”
INH0 & INH1
Shorted to GND
Floating
OFF
Shorted to GND
5V
OFF
Floating
Floating
ON
Floating
5V
OFF
INH0 & EN1
Shorted to GND
Floating
OFF
Shorted to GND
5V
OFF
Floating
Floating
OFF
Floating
5V
ON
EN0 & INH1
Shorted to GND
Floating
ON
Shorted to GND
5V
OFF
Floating
Floating
OFF
Floating
5V
OFF
EN0 & EN1
Shorted to GND
Floating
OFF
Shorted to GND
5V
ON
Floating
Floating
OFF
Floating
5V
OFF