B. General DP master
B−11
Festo P.BE−CPX−FB13−EN en 0811c
Over view of the work data (Data_Exchange) for the example
CPX terminal 1 (CPX terminal with MPA1 and MPA2 pneu
matics):
Output data (Outp_Data)
Input data (Inp_Data)
Octet 1: O−data byte_0
*)
(4DO module, mod. no. 2, 8DO)
Bit 0: Output x.0
Bit 1: Output x.1
...
Bit 6: Output x.6
Bit 7: Output x.7
Octet 2: O−data byte_1
(MPA1 pneumatic module, mod. no. 3, 8DO)
Bit 0: Output y.0
...
Bit 7: Output y.7
Octet 3: O−data byte_2
(MPA1 pneumatic module, mod. no. 4, 8DO)
Bit 0: Output z.0
...
Bit 7: Output z. 7
Octet 4: O−data byte_3
(MPA2 pneumatic modules, mod. nos. 5 and6,
8DO)
Bit 0: Output s.0
...
Bit 7: Output s.7
Octet 1: I−data byte_0
(Status bits CPX−FB13, mod. no. 0)
Bit 0: Diagnostic message
... (see section 3.3)
Bit 7: Diagnostic message
Octet 2: I−data byte_1
(8DI module, mod. no. 1, 8DI)
Bit 0: Input t.0
Bit 1: Input t.1
Bit 2: Input t.2
Bit 3: Input t.3
Bit 4: Input t.4
Bit 5: Input t.5
Bit 6: Input t.6
Bit
7: Input t.7
*)
Only the first 4 bits in this byte are used.
x, y, z, s, t = address offset of master module
Tab.B/5: Cyclical data exchange for example terminal 1 (see Fig.2/9)