11BProgramming
68BOverview PLC addresses
12-7
Examples for addressing
Slave
Selection
Parameters
Sample ad-
dresses
output byte of slave 22 on master
1
%QB1.22
all 4 bits in
one byte
input byte of slave 6A on master
2
%IB2.6
bit 3 (input) of slave 24 on master
2
%IX2.24.3
binary single or
A slave
single bit
bit 0 (output) of slave 8 on master
1
%QX1.8.0
output byte of slave 22B on mas-
ter 1
%QB11.22
all 4 bits in
one byte
input byte of slave 6B on master
2
%IB12.6
bit 3 (input) of slave 24B on mas-
ter 2
%IX12.24.3
binary B slaves
single bit
bit 0 (output) of slave 8B on mas-
ter 1
%QX11.8.0
analogue input in channel 3 of
slave 31 on master 1
%IW21.31.2
all 16 bits in
one channel
(word)
analogue output from channel 4
of slave 17 on master 2
%QW22.17.3
validity and
overflow bit
*)
signal "overflow" from channel 1
to slave 31 on master 1
Bit information
→
table at the bottom
%IX21.31.4
analogue slaves
status
(channel 5)
status of slave 31 on master 2
%IW21.31.4
whole flag
word
flag word 21 (remanent)
%MW21
single byte
flag byte 162 (not remanent)
%MB162
flags
single bit
bit 8 from flag word 21 (rema-
nent)
%MX21.8
*) validity and overflow bits of analogue slaves are defined in
channel 4
:
1
1
5
5
.
.
.
.
.
.
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0
OV TV OV TV OV TV OV TV
res
er
ve
d
ana
lo
gue
trans
fer
valid
channel 3
channel 2
channel 1
channel 0
Legend:
OV = overflow
TV = transfer valid
