Omron ZEN Communications Manual

SECTION 2 CompoWay/F Communications Protocol
26
■ Writing Work Bits and HR Bits
Bit positions are specified when writing Work Bits or HR Bits.
Example
Command
Response
■ Read Controller Attributes
This service reads the model number and communications buffer size.
Service Request PDU
Service Response PDU
● Model Number
The model number is expressed in 10-byte ASCII. When 10 bytes are
not required, pad the remaining bytes with spaces.
● Buffer Size
The communications buffer size is expressed in 2-byte hexadecimal,
and read after being converted to 4-byte ASCII.
Buffer size: 36 bytes (= H’0024)
● Response Code
Normal Completion
[STX]000000102CA000003000100000001 The bit position is specified when
writing. In this example, the bit 03
in HR Bit H2 is turned ON (1).
[STX]0000001020000 Normal response
MRC SRC
0503
22
MRC SRC
0503 0024
22 4 10 4
Response
code
Model No.
Buffer
size
Model number Code
ZEN10C4AR-A-V2 ZEN10C4A
ZEN10C4DR-D-V2 ZEN10C4D
Response
code
Name Description
0000 Normal completion No errors were found.

Omron ZEN Specifications

General

Display	LCD
Mounting Type	DIN Rail
Operating Temperature	-10 to 55°C
Power Supply Voltage	100-240V AC
Output Type	Relay, Transistor
Number of Outputs	4-8
Programming Language	Ladder Logic