Festo CPX-FB14 Description page 35

1. Installation
Remote I/O operating mode
Diagnostics mode
I/O diagnostics interface and
status bits are switched off
(+ 0 I/O bits)
The status bits are switched on
(+ 8 (16) I bits)
I/O diagnostics interface is
1)
switched on
(+ 16 I/O bits)
Reserved for future extensions
1)
The diagnostics mode (status bits or I/O diagnostics interface) occupies 2 bytes or 4 bytes of
address space (16 I-bits or 16 I/O-bits; 8 I-bits remain unused in the status bits mode)
Tab. 1/10: DIL switch 5 (diagnostics mode or number of I/O bytes with remote
controller)
Festo P.BE-FB14-EN en 1411d English
Setting the diagnostics mode or the number of logical I/Os
(data field size) with DIL switch
The function of DIL switch 5 is dependent on the set operat­
ing mode of the CPX terminal (è Tab. 1/1):
– Remote I/O operating mode:
setting the CPX diagnostic mode.
The status bits occupy 8 bits and the I/O diagnostic inter­
face 16 bits in PDO 4 (bit 0 ... 7 or 0 ... 15, è Fig. 2/1).
– Remote controller operating mode:
64 I/Os are provided for communication of the bus node
with the FEC/CEC in PDO 1 (è Fig. 2/2).
Remote controller
operating mode
Number of I/O bytes
(data field size)
Reserved for future extensions
1)
8 bytes I/8 bytes O
for communication of the bus
node with the CPX-FEC or
CPX-CEC
5
Setting
DIL switch 5
3.1: OFF
3.2: OFF
(factory setting)
3.1: OFF
3.2: ON
3.1: ON
3.2: OFF
3.1: ON
3.2: ON
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