User manual

B-1

Distributed I/O System DP/ASi Link

EWA 4NEB 710 6055-02b

I/O Code

In this chapter you will find the I/O code of the ASi slaves as defined in the

ASi standard.

The I/O code characterizes every ASi slave in respect of its inputs and out-

puts. Table B-1 shows the interrelationship between the assignment of the

four connections of an ASi slave and the I/O code.

Table B-1 I/O code of ASi slaves

D0 D1 D2 D3

I/O Code

Decimal Hex.

ON ON ON ON 0 0

ON ON ON OFF 1 1

ON ON ON ON/OFF 2 2

ON ON OFF OFF 3 3

ON ON ON/OFF ON/OFF 4 4

ON OFF OFF OFF 5 5

ON ON/OFF ON/OFF ON/OFF 6 6

ON/OFF ON/OFF ON/OFF ON/OFF 7 7

OFF OFF OFF OFF 8 8

OFF OFF OFF ON 9 9

OFF OFF OFF ON/OFF 10 A

OFF OFF ON ON 11 B

OFF OFF ON/OFF ON/OFF 12 C

OFF ON ON ON 13 D

OFF ON/OFF ON/OFF ON/OFF 14 E

TRI TRI TRI TRI 15 F

In this chapter

I/O code