Omron CJ - REFERENCE MANUAL 10-2009 Reference Manual page 900

3. Instructions
STUP
Instruction
CHANGE SERIAL PORT
SETUP
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
C Control word (port)
S First source word
C: Control word (port)
15 12 11
C
Always set to 0.
Operand Specifications
Word addresses
Area
CIO WR HR
C
OK OK OK
S
Flags
Name
Error Flag
862
Mnemonic Variations
STUP @STUP
Block program areas Step program areas
OK OK
Description
8 7 0
Unit address of port device
CPU Unit: 00 hex
CPU Bus Unit: Unit number + 10 hex
Inner Board: E1 hex (CS Series only)
Serial port number
1 hex: Peripheral port on CPU Unit or Port 1 on CPU Bus Unit or Inner Board
2 hex: Built-in RS-232C port on CPU Unit or Port 2 on CPU Bus Unit or Inner Board
(Settings 3 and 4 hex are reserved.)
AR T C DM EM
OK OK OK OK OK
Label
ER • ON if the values in C are not within range.
• ON if STUP(237) is executed for a port whose Communications Parameter Changing Flag is already
ON.
• ON if STUP(237) is executed in an interrupt task.
• OFF in all other cases.
Function
code
Changes the communications parameters of a
serial port on the CPU Unit, Serial Communica-
237
tions Board (CS Series only), or Serial Communi-
cations Unit (CPU Bus Unit).
STUP
STUP(237)
C
C: Control word (port)
S: First source word
S
Subroutines
OK
Indirect DM/EM
addresses
Con-
stants
@DM *DM
DR
@EM *EM
OK
OK OK OK
---
Operation
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Function
SFC action or
Interrupt tasks
transition programs
Not allowed OK
Data type Size
UINT 1
UINT 10
Registers
Pulse
TK CF
bits
Indirect
IR
using IR
--- OK --- ---
TR
bits
--- ---