Omron EJ1 - 07-2008, Operation Manual

Page: 129 / 198

110
Sending CompoWay/F Commands to a Temperature Controller Section 6-2
Command Block
Note Broadcasting cannot be specified.
Example: Communications Unit number = 01, FINS-mini command text = 01
01 C0 0000 00 0001 (Executes Read from Variable Area (01 01), to read one
element for ch1 PV (C0 0000)
Response Block
Normal Response
6-2-2 CompoWay/F ASCII Commands
When CompoWay/F ASCII commands are used, the CompoWay/F frames
are expressed in ASCII (each digit in a specified numerical value is also con-
verted to ASCII, so 52 is specified as 3532 in ASCII). When CompoWay/F
ASCII commands are used, all CompoWay/F communications commands
supported by Temperature Controllers can be used. (Read Controller Attribute
(0503) and broadcasting can be specified.)
The following command and response formats are used when the commands
are executed from an OMRON Master Unit.
0086 hex fixed 0001 hex fixed
2 bytes 2 bytes 1 byte 1 byte
Class ID Instance ID
Data (CompoWay/F command frame data)
SID FINS-mini command text
Desti-
nation
node
ad-
dress
Service
Code
36 hex
bytes
Specified in binary (hexadecimal).
(See following example.)
Communi-
cations Unit
No. (See
note.)
Sub-
address
00 hex
fixed 00 hex
fixed
Communica-
tions Unit
number
Sub-address SID FINS-mini command text
01 hex 00 hex 00 hex 01 hex 01 hex C0 hex 00 hex 00 hex 00 hex 00 hex 01 hex
Data (CompoWay/F response frame data)
2 bytes 1 byte 1 byte Responds in binary (hexadecimal)
FINS-mini response text
No. of received
bytes
Source
node
address
Service
Code
B6 hex
fixed
Com-
munica-
tions
Unit No.
Sub-
address End
code
00 hex
fixed 00 hex
fixed