
1/03 UDC 6300 Process Controller Product Manual 127
4.13 Options Set Up Group, Continued
Table 4-12 Option Group Definitions, continued
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
DIG IN 6
DIGITAL INPUT SIX SELECTIONS — Digital Input
6 is internally connected (shares rear terminals) with
Digital Output 4 which can be used by:
• Loop 1 Time Duplex - Cool Output
• Loop 2 Time Simplex Output
• Alarm 4
• Logic Gates
Any use of these outputs will also trigger this Digital
Input.
Same selections as DIG IN3.
DI ON LP1
LOOP 1 ASSIGNMENT— When 2 Loops are
configured, Digital Inputs 3 to 6 are assigned to
Loop 1 according to your selection below.
Unassigned Digital Inputs are assigned to Loop 2 by
default.
DI3,4,5,6 Assign all Digital Inputs to Loop 1.
DI3,4,5 Assign Digital Inputs 3, 4, and 5 to Loop 1.
DI3,4 Assign Digital Inputs 3 and 4 to Loop 1.
DI3 Assign Digital Input 3 to Loop 1.
LATCHING
NONE
PURGE
LOW FIRE
BOTH
NONE — The resulting action of the DI configured
as TO PURGE or LOW FIRE is momentary, that is,
the action is active only during the duration of the DI
being closed, which forces the loop to Manual mode
with the output being at either High or Low Output
Limit.
PURGE — The resulting action of the DI being
closed is that the loop is forced to Manual mode with
the output value set to the High Output Limit. The
loop is latched and can only be returned to
Automatic mode by pressing the MAN/AUTO
key
on the front panel.
LOW FIRE — The resulting action of the DI being
closed is that the loop is forced to Manual mode with
the output value set to the Low Output Limit. The
loop is latched and can only be returned to
Automatic mode by pressing the MAN/AUTO
key
on the front panel.
BOTH — The DI configured as either PURGE or
LOW FIRE will cause latching to work as described
under PURGE and LOW FIRE above.
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