7 - 43
7 SSI Input Units
NX-series Position Interface Units User’s Manual (W524)
7-
9 Fu
nct
ion
s
7
7-9
-2 SSI Dat
a Setting
s
Note 1. M0, M1, etc., are the data bits that give the number of rotations.
2. S0, S1, etc., are the data bits that give the absolute position during a single rotation.
Single-turn 9-bit Data and Alarm Bit
Note 1. S0, S1, etc., are the data bits that give the number of rotations.
2. A is a bit that indicates an error.
Tannen Baum Multi-turn 9-bit and Single-turn 12-bit Data
Note 1. M0, M1, etc., are the data bits that give the number of rotations.
2. S0, S1, etc., are the data bits that give the absolute position during a single rotation.
Valid
data
length
Single-turn data
start bit
Single-turn
data length
Multi-turn data
start bit
Multi-turn
data
length
Status data start
bit
Status
data
length
25
12
13
0
12
0
0
Received frame bit positions
0: MSB
1
2
3
4
5
6
7
8
9
10
11
12
S8
S7
S6
S5
S4
S3
S2
S1
S0
0
0
A
0
Valid
data
length
Single-turn data
start bit
Single-turn
data length
Multi-turn data
start bit
Multi-turn
data
length
Status data start
bit
Status
data
length
13
0
9
0
0
11
1
Received frame bit positions
0: MSB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
0
0
M8
M7
M6
M5
M4
M3
M2
M1
M0
S11
S10 S9
S8
S7
Received frame bit positions
17
18
19
20
21
22
23
24
25
S6
S5
S4
S3
S2
S1
S0
0
0
Valid
data
length
Single-turn data
start bit
Single-turn
data length
Multi-turn data
start bit
Multi-turn
data
length
Status data start
bit
Status
data
length
26
3
12
12
9
0
0
Summary of Contents for NX-EC0112
Page 13: ...11 Manual Structure NX series Position Interface Units User s Manual W524...
Page 34: ...Revision History 32 NX series Position Interface Units User s Manual W524...
Page 36: ...Sections in this Manual 34 NX series Position Interface Units User s Manual W524...
Page 78: ...3 Part Names and Functions 3 8 NX series Position Interface Units User s Manual W524...
Page 108: ...4 Installation and Wiring 4 30 NX series Position Interface Units User s Manual W524 Unit...
Page 114: ...4 Installation and Wiring 4 36 NX series Position Interface Units User s Manual W524...
Page 126: ...5 I O Refreshing Methods 5 12 NX series Position Interface Units User s Manual W524...
Page 340: ...8 Pulse Output Units 8 76 NX series Position Interface Units User s Manual W524...
Page 462: ...Appendices A 74 NX series Position Interface Units User s Manual W524...
Page 463: ...I 1 I NX series Position Interface Units User s Manual W524 Index...
Page 466: ...I 4 NX series Position Interface Units User s Manual W524 Index...