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Appendices
A-54
CP2E CPU Unit Software User’s Manual(W614)
A-1-21
Serial Communications Instructions
Instruction
Mnemonic
Variations
Symbol/Operand
Function
TRANSMIT
TXD
@
Outputs the specified number of bytes of data without conversion
from the RS-2
3
2C port or RS-4
8
5 port built into the CPU Unit or
the serial Option Board according to the start code and end code
specified for no-protocol mode in the PLC Setup.
C: Control word
RECEIVE
RXD
@
Reads the specified number of bytes of data starting with the
specified first word from the RS-2
3
2C port or RS-4
8
5 port built
into the CPU Unit or the serial Option Board according to the start
code and end code specified for no-protocol mode in the PLC
Setup.
C: Control Word
TXD(236)
S
C
N
S
: 1st source word
C
: Control word
N
: Number of bytes
0000 to 0100 hex
(0 to 256 decimal)
15
8
0
11
3
7
4
12
C
Byte order
0: Mo
s
t
s
ignific
a
nt
b
yte
s
fir
s
t
1: Le
as
t
s
ignific
a
nt
b
yte
s
fir
s
t
R
S
a
nd ER
s
ign
a
l control
0: No R
S
a
nd ER
s
ign
a
l control
1: R
S
s
ign
a
l control
2: ER
s
ign
a
l control
3: R
S
a
nd ER
s
ign
a
l control
Alw
a
y
s
0
S
eri
a
l port
s
pecifier
1: B
u
ilt-in R
S
-232C port/
S
eri
a
l option port 1
2: B
u
ilt-in R
S
485 port/
S
eri
a
l option port 2
3:
S
eri
a
l option port 1 (EX)
RXD(235)
D
C
N
D
: 1st destination word
C
: Control word
N
: Number of bytes to store
0000 to 0100 hex
(0 to 256 decimal)
C
8
12
3
4
15
0
7
11
Byte order
0 Hex: Mo
s
t
s
ignific
a
nt
b
yte
to le
as
t
s
ignific
a
nt
b
yte
1 Hex: Le
s
t
s
ignific
a
nt
b
yte
to mo
s
t
s
ignific
a
nt
b
yte
C
S
a
nd DR
s
ign
a
l monitoring
0: No C
S
a
nd DR
s
ign
a
l monitoring
1: C
S
s
ign
a
l monitoring
2: DR
s
ign
a
l monitoring
3: C
S
a
nd DR
s
ign
a
l monitoring
Alw
a
y
s
0
S
eri
a
l port
s
pecifier
1: B
u
ilt-in R
S
-232C port/
S
eri
a
l option port 1
2: B
u
ilt-in R
S
485 port/
S
eri
a
l option port 2
3:
S
eri
a
l option port 1 (EX)
Содержание SYSMAC CP Series
Страница 1: ...USER S MANUAL Cat No W614 E1 01 SYSMAC CP Series CP2E E D CP2E S D CP2E N D CP2E CPU Unit Software ...
Страница 3: ......
Страница 32: ...1 Overview 1 4 CP2E CPU Unit Software User s Manual W614 ...
Страница 44: ...3 CPU Unit Operation 3 8 CP2E CPU Unit Software User s Manual W614 ...
Страница 116: ...6 I O Allocation 6 8 CP2E CPU Unit Software User s Manual W614 ...
Страница 144: ...7 PLC Setup 7 28 CP2E CPU Unit Software User s Manual W614 ...
Страница 170: ...10 Interrupts 10 14 CP2E CPU Unit Software User s Manual W614 ...
Страница 200: ...11 High speed Counters 11 30 CP2E CPU Unit Software User s Manual W614 ...
Страница 272: ...12 Pulse Outputs 12 72 CP2E CPU Unit Software User s Manual W614 ...
Страница 278: ...13 PWM Outputs 13 6 CP2E CPU Unit Software User s Manual W614 ...
Страница 460: ...18 Programming Device Operations 18 28 CP2E CPU Unit Software User s Manual W614 ...
Страница 576: ...Revision 2 CP2E CPU Unit Software User s Manual W614 ...
Страница 577: ......