Chapter 8. Communication Functions
8-8
8.1.5 Data type
It’s possible to read and write device in built-in communication. When device is used, be aware of data type.
1)
Data type of device
The dedicated built-in communication can only read/write direct variables.
(1)
Data type of direct variables
•
Available types of device: M (internal memory), Q(output), I(input)
•
When direct variable is used, attach ‘%’(25H) in front of the characters.
Data type
Characters
Examples
Bit
X(58H)
%MX0, %QX0.0.0, %IX0.0.0
Byte
B(42H)
%MB10, %QB0.0.0, %IB0.0.0
Word
W(57H)
%MW10, %QW0.0.0, %IW0.0.0
Double Word
D(44H)
%MD10, %QD0.0.0, %ID0.0.0
- Reading/writing of symbolic variable is not available in dedicated communication.
- Memory address 100 in ‘%MB100’ is a decimal value.
- Long word is not available.
REMARK
Summary of Contents for GLOFA G7M-DR20U
Page 28: ...Chapter 4 Names of Parts 4 3 2 G7M DRT60U N 3 G7M DT60U N 4 G7M DT60U P...
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Page 31: ...Chapter 4 Names of Parts 4 6 3 G7M DT40U N 4 G7M DT40U P 5 G7M DR40U DC...
Page 32: ...Chapter 4 Names of Parts 4 7 6 G7M DRT40U N DC 7 G7M DT40U N DC 8 G7M DT40U P DC...
Page 33: ...Chapter 4 Names of Parts 4 8 4 1 3 30 point main unit 1 G7M DR30U 2 G7M DRT30U N 3 G7M DT30U N...
Page 34: ...Chapter 4 Names of Parts 4 9 4 G7M DT30U P 5 G7M DR30U DC 6 G7M DRT30U N DC...
Page 36: ...Chapter 4 Names of Parts 4 11 2 G7M DRT20U N 3 G7M DT20U N 4 G7M DT20U P...
Page 37: ...Chapter 4 Names of Parts 4 12 5 G7M DR20U DC 6 G7M DRT20U N DC 7 G7M DT20U N DC...
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Page 159: ...Chapter 7 Usage of Various Functions 7 52 c Program...
Page 183: ...Chapter 7 Usage of Various Functions 7 76 c Program...
Page 253: ...Chapter 8 Communication Functions 8 27 b When uses Ch 1 Built in RS 485...
Page 356: ...Appendix 1 System Definitions App1 9 6 Position Parameter...
Page 357: ...Appendix 1 System Definitions App1 10 7 High Speed Counter Parameter...