Festo CPX Electronic Manual page 177

B. Parameters and data of the CPX terminal
Module diagnostic data: Number of the first faulty channel
Function no. 2008 + m * 4 + 0
Description Specifies the number of the faulty channel (bits 0...5)
Bit Bit 7
Values Bits 0...5
Bit 6
Bit 7
Note With the aid of the module number of the faulty module (see system diagnostic
data, byte address 1937) you can ascertain the function numbers of the relevant
diagnostic data.
Tab. B/42: Number of the first faulty channel
Module diagnostic data: Module fault number
Function no. 2008 + m * 4 + 1
Description Fault number
Bit Bit 0...7
Values 0...255
Note Possible error messages see section 5.1.1
Tab. B/43: Module fault number
Module diagnostic data: Information 2 (reserved)
Function no. 2008 + m * 4 + 2
Description Reserved
Tab. B/44: Information 2 (reserved)
Festo P.BE−CPX−SYS−EN en 0503b
6 5 ... 0 : Description
0 0 0 ... 63 : No. of the 1st defective A channel
1 0 0 ... 63 : No. of the 1st defective Input channel
0 1 0 ... 63 : Module error
1 1 0 ... 63 : Reserved
0...63 (channel number)
0...1
0...1
Error number
(Fault number)
m = module number (0...47)
m = module number (0...47)
m = module number (0...47)
B−35