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6-10 controller data read, Controller data read – Omron CQM1H-CLK21 User Manual

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Commands and Responses for C200HX/HG/HE and CQM1H-series PLCs

Section 6-6

Response Block

6-6-10 CONTROLLER DATA READ

Reads the following data:

• Controller model and version

• Area data

• PLC status

Command Block

Response Block

Parameters

Controller model and Controller version (response): Both are returned in
ASCII, within 20 bytes (i.e., within 20 ASCII characters). If the model or ver-
sion information does not require 20 bytes of data, the remainder of the bytes
will be filled with spaces (20 hexadecimal).

Dummy 1 and Dummy 2 (response): All zeros (Hex) will be returned.

Area data (response): As follows:

PLC status (response): The status of connected tools is returned:

00 (Hex):

No recognized tool connected

80 (Hex):

Recognized tool connected

02

04

Response

code

Command

code

Command

code

01

05

01

05

Controller

model

Controller

version

Dummy 1

Area data

Command

code

Response

code

20 bytes

20 bytes

16 bytes

10 bytes

Dummy 2

PLC status

65 bytes

00

00

Program

number

No. of DM words

Program
area size

10th byte

1st byte

00

00

00

00

00

00

Number of Expansion DM banks

Item

Meaning

Unit (Hex)

Program area size

The size of PLC Setup and program area

K words (1K words = 1,024 words;
1 word = 2 bytes))

No. of DM words

Total words in the DM area

Words (1 word = 2 bytes)

Number of Expansion
DM banks

Number of banks in the Expansion DM area

Banks

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