Datasheet

217
Programmable
Controllers
Protocol Macros
Easily Create Protocols for Data Exchange with External Devices Using One Instruction
Function
Data transfer protocol for serial communications vary with the manufac-
ture and with devices. Differences in protocols can make communicati-
ons between devices by different manufactories very difficult, even
when electrical standards are the same.
OMRON’s protocol macros solve this problem by enabling easy crea-
tion of protocol macros designed to match the protocol of a connected
device. Protocol macros will let you communicate with essentially any
device with an RS-232C, RS-422, or RS-485 port without having to
write a special communications program.
The Two Main Functions of Protocol Macros
1. Creating Communications Frames
The communications frames can be easily created according to the
specifications required by the connected device. Data from I/O memory
in the CPU Unit can be easily included as part of a communications
frame to read from or write to I/O memory.
2. Creating Frame Send/Receive Procedures
The required processing, including sending and receiving communica-
tions frames, can be performed one step at a time according to the
results of the previous step, and then CX-Protocol an be used to trace
send and receive data.
Types of Protocol
Standard System Protocols
Data transfers with OMRON components can be easily performed
using standard system protocols. There is no need to develop you own
protocols in this case.
Note: Serial Communications Unit Ver. 1.2 or later only.
User-created Protocols
Data transfers with non-OMRON components can be easily created
just by defining parameters using the CX-Protocol Windows tool.
PLCs with Protocol Macros
RS-232C
RS-232C
CJ-series PLC
Non-
OMRON
PLC
Non-OMRON
Temperature
Controller
I/O memory
Read
Variable R ( )
Send
Receive
Variable W ( )
Write
I/O memory
Create
Header
Address
Data
Check code
Terminator
PMCR
CPU Unit Port/Unit
Connected device
Step 0
Required
processing
Step n
(as required)
Component Model
CompoWay/F-compatible components OMRON Compo-
Way/F slave
components
Digital Con-
trollers and
Temperature
Controllers
Small Digital Controller with Communica-
tions (53 x 53 mm)
E5CK
Temperature Controllers with Digital Indica-
tions (Thermac J with communications) (96 x
96 mm or 48 x 96 mm)
E5@J-A2H0
Digital Controllers with Communications (96
x 96 mm)
ES100@
High-density Temperature Controller with
communications (8 control points)
E5ZE
Intelligent Signal Processors K3T@
Bar Code
Readers
Laser Scanner type V500
CCD type V520
Laser Micrometer 3Z4L
Visual Inspec-
tion Systems
High speed, high precision, low cost F200
High-precision inspection/positioning F300
Character inspection software/positioning
software
F350
ID Controllers Electromagnetic coupling (for short distanc-
es)
V600
Microwave (for short distances) V620
Hayes Modem AT Command ---
C-series PLCs (See note.) PLC with Host
Link (C mode)
protocol
CS/CJ-series PLCs (See note.)
CVM1/CV-series PLCs (See note.)
PLC with Host
Link (FINS) pro-
tocol
Mitsubishi PLCs (Sequencer CPU Modules) (See note.) PLC with Com-
puter Link (A-
compatible, 1C
frame, model 1)
slave functions.
CJ-series PLC
Standard system protocol
Example: E5CK Temperature Controller
OMRON component
Example: E5CK
CD-ROM
CJ-series PLC
CX-Protocol
Creates protocols.
Non-OMRON
component
Y201-EN2-03.book Seite 217 Donnerstag, 30. März 2006 1:52 13