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136 UDC 3300 Process Controller Product Manual 4/00
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
SHEDTIME
0 to 255 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 ComSTATE is set to MODBUS or MB3K and if
SHEDENAB is set to DISABL, Shed Time will not be
configurable.
PARITY
ODD
EVEN
PARITY pertains to the use of a self-checking code
employing binary digits in which the total number of ONE's
(or ZERO's) in each permissible code expression is either
ODD or EVEN.
Fixed at NONE when ComSTATE = MODBUS
ODD PARITY
EVEN PARITY
BAUD
2400
4800
9600
19200
BAUD RATE is the transmission speed in bits per second.
2400 BAUD
4800 BAUD
9600 BAUD
19200 BAUD
DUPLEX
(RS422/485 ASCII only)
HALF
FULL
DUPLEX—Transmission Type
HALF DUPLEX—Two wires
FULL DUPLEX—Four wires
ATTENTION
• When the Auxiliary Output/RS422/485 Option board is
installed, this selection is fixed at HALF.
WS_FLOAT
FP_B
FP_BB
FP_L
FP_LB
Defines word/byte order of floating point data for
communications.
0 1 2 3
seeeeeee emmmmmmm mmmmmmmm mmmmmmmm
0 1 2 3
1 0 3 2
3 2 1 0
2 3 0 1
TX DELAY
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.