Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 207 / 478

5-15
5 Serial Gateway
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
5-3 Usin
g the Serial Gate
wa
y
5
5-3-3 U
s
ing the Ser
ial Gate
w
a
y F
uncti
on When Protocol Macro
s
Are
E
x
ecuted
The following user program example shows how to return the Serial Gateway to the not prohibited sta-
tus after the ExecPMCR instruction is executed and the sequence is completed. (This example uses
port number 1 of a Serial Communications Unit with unit number 2. Note that in this example, the
sequence number specified by the ExecPMCR instruction is not specifically indicated.)
z
Unit Settings
* Make sure the settings match the corresponding settings at the destination.
The default settings are Baud Rate: 9,600 bps, Start Bits: 1 bit, Data Length: 7 bits, Parity: Even par-
ity and Stop Bits: 2 bits.
z
LD
System-defined variable
User-defined variables (To be defined before or when creating a program)
5-3-3 Using the Serial Gateway Function When Protocol Macros Are
Executed
Name Setting target Setting
Unit Configuration CPU/Expansion Racks in Con-
figuration and Setup of Sys-
mac Studio Mount CJ1W-SCU22 in slot 0
of the CPU Rack.
Device name of this unit SCU
Unit number Unit number switch and Unit
Configuration (CPU/Expan-
sion Racks in Configuration
and Setup of Sysmac Studio) Unit number 2
Serial Communications Mode System Settings data Protocol Macro Mode
Port setting Default (*)
Name Data type Factory
setting
Comments Details
_Port_isAvailable BOOL --- Network Communi-
cations Instruction
Enabled Flag This flag becomes TRUE when
there are internal logic ports
available. This flag becomes
FALSE when there is no inter-
nal logic port available.
Name Data type Factory setting Allocated
address
(AT)
Details
OperatingEnd BOOL False --- Process completed
Trigger BOOL False --- Execution conditions
Operating BOOL False --- Processing
InPort _sPORT (UnitNo:=_CBU_No00,
PhysicPortNo:=0) --- Port setting
SendData ARRAY[0..4] OF
WORD [5(16#0)] --- Send data