Specifications

IP 240 Positioning
10.16 Reading and Evaluating the IP Status Information
This includes:
• the current (feedback) position number
• the status bits
• the current actual value
• the stored final value (is entered only in cyclic synchronization mode)
Table 10-20. Contents of the DB and the Transfer Buffer on Reading the Status Information
Final value
in binary
”1111” is entered in the
high-value nibble of DL32
(SG) for a negative number.
Actual value
in BCD
”1111” is entered in the
high-order nibble of DL30.
(SG) for a negative number
Bit
76543210
Description
Data byte
in data
block
Offset
in transfer
buffer
0DL 28
DR 28
DL 29
DR 29
1
2
3
SE
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
Final value
in binary
A negative value is in two's
complement representation.
SE=Sign extension
DL 32
DR 32
DL 33
DR 33
8
9
10
11
4
5
6
7
DL 30
DR 30
DL 31
DR 31
10
5
10
4
10
3
10
2
10
1
10
0
SG 10
6
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
0 . . . 0 0 . . . 0
0 0 RIUM ZBEV UEBS DRBR NPUE UEBL
DA2 DA1 MESE BEE3 BEE2 BEE1 RICH SYNC
Status bits
Feedback position
number
8
9
10
11
10
5
10
4
10
3
10
2
10
1
10
0
SG 10
6
DL 32
DR 32
DL 33
DR 33
Actual value
in binary
A negative value is in two's
complement representation.
SE=Sign extension
2
23
2
22
2
21
2
20
2
19
2
18
2
17
2
16
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
SEDL 30
DR 30
DL 31
DR 31
4
5
6
7
EWA 4NEB 811 6120-02a 10-57