Emerson PACSystems RSTi User Manual page 255

User Manual
GFK-2745C
Step #4
Status Byte
Example of receiving data (Receive Data "Welcome")
Step #0
Status Byte
Control Byte
Step #1
Control Byte
Step #2
Control Byte
Input Byte #0
Input Byte #1
Input Byte #2
Input Byte #3
Input Byte #4
Special Modules
Check TA bit value in Status Byte.
TR=TA: transmit complete.
Bit 7 Bit 6
TPA IL2
x x
RR=RA
Bit 7 Bit 6
TPA IL2
x x
Bit 7 Bit 6
TPR OL2
x 1
RA inverting (RA≠RR)
Bit 7 Bit 6
TPA OL2
x x
RA inverting (RA=RR)
Input Length = 5
Input Data = "Welco"
Bit 7 Bit 6
TPR OL2
x 1
'W'(0x57)
'e'(0x65)
'l'(0x6C)
'c'(0x63)
'o'(0x6F)
Bit 5 Bit 4 Bit 3
IL1 IL0 OR
x x x
Bit 5 Bit 4 Bit 3
IL1 IL0 OR
x x x
Bit 5 Bit 4 Bit 3
OL1 OL0 --
0 1 x
Bit 5 Bit 4 Bit 3
OL1 OL0 --
x x x
Bit 5 Bit 4 Bit 3
OL1 OL0 --
0 1 x
Chapter 8
Nov 2019
Bit 2 Bit 1 Bit 0
RR TA IA
x 1 0
Bit 2 Bit 1 Bit 0
RR TA IA
0 x 0
Bit 2 Bit 1 Bit 0
RA TR IR
x 1 0
Bit 2 Bit 1 Bit 0
RA TR IR
1 X 0
Bit 2 Bit 1 Bit 0
RA TR IR
1 x 0
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