9-18
Interfaces
CLM01.4-LAP-01VRS
DOK-CONTRL-CLM01.4LAP1-FK01-EN-P
Description of All Characters Used in the Data String
The first control character indicates the beginning of a data transmission:
1)
?
Hexadecimal 3F / character for data query
If the control receives a `?´, the requested information (program
instruction, parameter, status message) is output.
2)
#
Hexadecimal 2 3 / characters for program transmission
If the CLM receives a `#´, the following characters are read into the
corresponding instruction number of the program memory.
3)
!
Hexadecimal 2 1
If the control receives a `!´, the following characters are picked up as the
control command or as parameter data.
4)
:
Hexadecimal 3 A
Colon for polling query
s
This character identifies the station number. The 's' is to
be replaced by an appropriate character, depending on the operating
mode.
1) In RS232C operating mode, the `s´ is replaced by a blank space.
No other character is accepted.
2) In RS485 mode, the `s´ is replaced by the respective station number
(1 -9; A - W). If this number does not correspond to the number in the
parameter (see Parameter B003), there is no response to the received
data.
If `s´ is a blank space, this information is relevant for all users on the
bus.
The third character identifies the information type:
1)
N
Hexadecimal 4 E / character for instruction number
The information following the `N´ is interpreted as a program instruction.
2)
K
Hexadecimal 4 B / character for parameter
The information following the `K´ is interpreted as a parameter.
3)
X
Hexadecimal 5 8 / character for status
4)
P
Hexadecimal 5 0 / character for Logic Task
The information following the `P´ is interpreted as a Logic Task
instruction.
First Control Character in the
Data String:
Second Control Character in the
Data String:
Third Control Character:
Содержание CLM1.4
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