Festo CPX Series Electronic Manual page 169

B. Parameters and data of the CPX terminal
Module data: Revision code
Function no. 16 + 16m + 13;
Description Specifies the availability status of the module.
Bit 0...7
Values 0...255
Remark See type plate
Table B/59: Revision code
Module data: Serial number
Function no. 784 + m * 4 + 0
784 + m * 4 + 1
784 + m * 4 + 2
784 + m * 4 + 3
Description Specifies the serial number of the module. In byte 0 one nibble (4 bits) contains
the year and the other nibble contains the month of the serial (hexadecimal cod-
ing). Of bytes 1...3 each nibble contains a figure of the serial number (BCD coded
1) BCD = Binary Coded Decimal number (example see following table)
Function no. Bit number
7 6
Nibble
784 + m * 4 + 0 Year 2)
784 + m * 4 + 1 100.000
784 + m * 4 + 2 1 000
784 + m * 4 + 3 10
1) Example: Serial number 1C654321
2) 0001 (1) = Year 2001; 0010 (2) = Year 2002 etc.
3) 0001 (1) = January; 0010 (2) = February; ... 1011 (B) = November; 1100 (C) = December
Table B/60: Serial number
Festo P.BE-CPX-SYS-EN en 0112NH
m = Module number (0...47)
(byte 0)
(byte 1)
(byte 2)
(byte 3)
5 4 3 2 1 0
Nibble
3)
Month
10.000
100
1
m = Module number (0...47)
1)
Example
7 6 5 4 3 2
Nibble Nibble
0 0 0 1 1 1
0 1 1 0 0 1
0 1 0 0 0 0
0 0 1 0 0 0
1)
).
1 0
0 0
0 1
1 1
0 1
B-39