Det-Tronics S3 Graphics - Manual (Page 301)

13-76 EQP LOGIC EDITOR
Version 6.0 DEVICE ITEM NUMBER DESCRIPTIONS
Item 66 - Alternate Function
Each of the controller I/O points has a predefined alternate function. When the alternate function is enabled for a
relay, it can not be used by user logic.
Item 67 - Fire Alarm
Fire alarm is indicated with this item. For the controller, this item represents the state of the fire alarm LED and
relay.
Item 68 - Trouble
This item represents the state of the trouble LED and relay on the controller.
Item 69 - First Scan
This item is intended for use with-in user logic, it is true only during the first scan of user logic after program mode
is exited.
Item 70 - High Alarm
High alarm is indicated with this item. For the controller this item represents the state of the high gas alarm LED
and relay, if programmed for the alternate function.
Item 71 - Low Alarm
Low alarm is indicated with this item. For the controller this item represents the state of the low gas alarm LED
and relay, if programmed for the alternate function.
Item 72 - Acknowledge
This bit tracks the state of the controller Acknowledge LED.
Item 73 - Silence
This bit tracks the state of the controller Silence LED.
Item 74 - Program Mode
This bit is set while the Controller is in program mode, else it is cleared.
Item 75 - Acknowledge Button
This item tracks the state of the acknowledge button on the controller faceplate and is intended for use by user
logic.
Item 76 - Silence Button
This item tracks the state of the Silence button on the controller faceplate and is intended for use by user logic.
Item 77 - Temperature Out of Range Fault
This item is set for a temperature out of range fault
Item 78 - Reset Button
This item tracks the state of the Reset button on the controller faceplate and is intended for use by user logic.
This item also goes TRUE when digital input 1 is configured for the reset function and is activated, or the activate
reset item is set from S 3 . This item is latched by the Controllers static logic until the current logic scan is complete.
If the faceplate-reset button is still pressed at the end of the scan, the variable will be held TRUE for the next
scan.
DEVICE ITEM NUMBER DESCRIPTIONS