Specifications
Direct Data Interchange with the IP 240 IP 240
11.4 Contents of the Transfer Buffer
11.4.1 Position Decoding Mode
Read actual value and status area
When you have transferred job number 1B
H
(channel 1) or 2B
H
(channel 2) to the IP 240's job
request register, the IP 240 makes the actual value and the status area available in the transfer
buffer.
Table 11-3. Contents of the Transfer Buffer on Reading the Actual Value
and Status Area, Position Decoding Mode
0 . . . 0 0 . . . 0
00000002
16
Status bit for
the actual value
Status bits
Actual value in binary
0 . . . 0 0 . . . 0
010
4
10
3
10
2
10
1
10
0
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Bit
76543210
Description
0
1
2
3
8
9
10
11
4
5
6
7
Offset
transfer
buffer
12
13
14
Actual value in BCD
000000UEBL SG
0 . . . 0 0 . . . 0
0 . . . 0 0 . . . 0
0 . . . 0 0 . . . 0
REF8 REF7 REF6 REF5 REF4 REF3 REF2 REF1
0000SYNC 0 DRBR NPUE
DA2DA1000000
Description of the status bits
DA2 =1 Digital output D2 is set
=0 Digital output D2 is not set
DA1 =1 Digital output D1 is set
=0 Digital output D1 is not set
11-10
EWA 4NEB 811 6120-02a