Automatic control function programming manual ladder language

General Purpose Functions
6.36 Read n Variables E42000 R_E42000
Syntax
R_E42000(&dest, number, n)
&dest: Destination address.
Number: Number of the first E42000 variable to be read (0 ... 127).
n: Number of bytes to be read (1 to 128).
Copies n bytes starting from variable E42000 + number to the area starting at &dest.
Example
R_E42000(%V100.&, 120, 7)
Return code
If OK
0
Error
-1: number > 127
number+n > 128
E42120
E42121
E42122
Programming error causing a CPU fault
Access to a prohibited address:
- &dest parameter error,
- &dest+n outside authorised area.
Bit 7 Bit 0
Bit 7 Bit 0
Bit 7 Bit 0
%V100.B
%V101.B
%V102.B
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