Configuration
38 UDC2500 Universal Digital Limit ControllerProduct Manual 8/05
Function Prompt
Lower Display
Selection or Range of
Setting
Upper Display
Parameter
Definition
TX_DLY
1 to 500 milliseconds
TX DELAY—Configurable response-delay timer
allows you to force the UDC to delay its response
for a time period of from 1 to 500 milliseconds
compatible with the host system
hardware/software. This parameter is also used for
the IR communications link.
WS_FLT
FP B
FPBB
FP L
FPLB
Defines word/byte order of floating point data for
communications. Byte values:
0 1 2 3
seeeeeee emmmmmmm mmmmmmmm mmmmmmmm
Where:
s = sign, e = exponent, m = mantissa bit
0 1 2 3
1 0 3 2
3 2 1 0
2 3 0 1
SDENAB
DIS
EnAB
SHED ENABLE—Disables/enables shed
functionaliy.
SHDTIM
0 to 255 Sample Periods
SHED TIME—The number that represents how
many sample periods there will be before the
controller sheds from communications. Each
period equals 1/3 seconds; 0 equals No shed.
Note: If ComSTA is set to MODBUS and if
SHEDENAB is set to DISABL, Shed Time will not
be configurable.
SDMODE
SHED CONTROLLER MODE AND OUTPUT
LEVEL—Determines the mode of local control you
want when the controller is shed from the
communications link.
LAST
LAST—SAME MODE AND OUTPUT—The
controller will return to the same mode (manual or
automatic) at the same output level that it had
before shed.
MAN
TO MAN—MANUAL MODE, SAME OUTPUT—
The controller will return to manual mode at the
same output level that it had before shed.
FSAFE
FSAFE—MANUAL MODE, FAILSAFE OUTPUT—
The controller will return to manual mode at the
output value selected at Control prompt FAILSAFE.
AUTO
TO AUTO—AUTOMATIC MODE, LAST SP—The
controller will return to the automatic mode and the
last setpoint used before shed.
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