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Varlimit VS-212DN
NSD Varlimit VS-212DN User Manual
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6-1
6. Curr
ent Position Dete
ction Funct
ion
The VS
-
212DN
’
s curre
nt position detecti
on function detect
s the current posit
ion the
ABSO
CODER.
Conventionally
, this was detected by an incremental format encoder
in conjunction with a counter
unit.
As shown b
elow
, the curr
ent position valu
e appropriate
for the rot
ation posit
i
on of th
e ABSO
CODE
R
sensor is stor
ed in the bu
ffer memory
while rotati
ng the
ABSOCOD
ER sensor by the motor
.
50
52
Table of Contents
Default Chapter
5
Table of Contents
5
1 Overview
10
Features
11
Definitions
12
2 Specifications
15
General Specifications
15
Performance Specifications
15
External Input / Output Specifications
16
Terminal Block Input / Output Specifications
17
Devicenet Specifications
17
ABSOCODER Sensor
18
Extension Cable Specifications
18
3 Devicenet
19
Control Panel Settings
19
Control Panel Display
20
Interface
21
OUT Data Format (Consumed Connection)
21
IN Data Format (Produced Connection)
22
Error Codes
23
Signal Explanations
23
Command Bit
23
Status Bits
24
Buffer Memory List
25
Manual Mode Input/Output Status Reading
33
Error Code Reading
33
Function Selection (Parameter Writing)
33
Sequence Mode Selection Writing
33
Sequence Mode Answerback Reading
34
Sensor Binary Current Position Value Reading
34
Scaling Binary Current Position Value Reading
34
Speed Output Reading
35
Hold Current Position Reading
36
Preset Value Writing for Current Position Preset Input
36
Current Position Preset 'Input Disabled' Setting (Writing)
36
Target Stop Position Writing
37
Forward/Reverse Stop Zone after Learning Function (Reading)
37
Speed Limit Writing
37
Buffer Memory Selection for Positioning Pattern Data (Writing)
37
Medium-Speed Zone Writing
37
Low-Speed Zone Writing
38
FWD/RVS Stop Zone Writing
38
In-Position Zone Writing
38
Limit Switch Output Status Reading
38
Program No. Answerback Reading
39
Limit Switch "Output Disabled" Setting (Writing)
39
Program No. Setting (Writing)
39
4 Function List
40
Current Position Detection Function
41
Positioning Function
42
Limit Switch Output Function
43
Nomenclature
44
Explanation of Displays
44
System Leds
44
Devicenet Monitor Leds (MS, NS)
44
Monitor Display
45
Explanation of I/O
46
Terminal Block I/O
46
Connector I/O
46
5 Operations
47
Operating Sequence (Flowchart)
47
Changing Saved Data
48
Connecting External Wiring
49
Wiring Precautions
49
Connecting the External Power Supply
49
ABSOCODER Sensor Installation Precautions
50
Installation of MRE Series ABSOCODER Sensor
50
Precautions When Connecting ABSOCODER Sensor
50
6 Current Position Detection Function
51
Pre-Operation Setting Sequence
52
Initial Setting
53
Initial Setting List
53
Sensor Selection/Sensor Rotation Direction Setting
54
Decimal Point Position Setting
54
Scale Length and Minimum Current Position Value Setting
55
Current Position Value Setting
56
Parameter Settings
57
Parameter Setting List
58
Permissible Current Position Change Amount Setting
58
Permissible Correction Amount Setting
58
Current Position Preset Value Setting
59
Speed Gate Time and Speed Sampling Time
62
Sequence Program Sample
63
Initial Settings
63
Parameter Settings
65
Program for Current Position Monitor Display
67
Program for Error Code Readout and Reset
68
7 Positioning Function
69
Explanation of Positioning Functions
71
Unidirectional Positioning
71
Positioning Speed Switching Format
72
Positioning Speed Stepping Format
73
Control Timing
74
Starting Operation from Stop Zone
76
Simple Learning Function
77
JOG Operation
78
Operation When Detection Range Is Exceeded
80
Current Position Presetting During Positioning Operation
82
Operation Error
83
Positioning Function and Operation Sequence
84
Initial Settings
85
Parameter Settings
85
Parameter List
86
Selection of Positioning Format
86
Designation of Positioning Direction
87
Designation of Overshoot Amount
87
Designation of Medium-Speed Zone, Low-Speed Zone, Stop Zone, and In-Position Zone
87
Designation of Upper and Lower Limits
87
Start from Stop Zone Setting
87
Timer Settings
88
Sequence Program Sample
89
Initial Settings and Parameter Settings
89
Program for Positioning Function
89
Program for JOG Operation
91
8 Limit Switch Output Function
92
Pre-Operation Setting Sequence
94
Initial Settings
95
Parameter Settings
95
Parameter List
96
Number of Protected Channels
96
Offline Output Status Setting - TEST, INIT, PRM and PRGM Mode
96
Offline Output Status Setting - RUN Mode
96
Limit Switch Data Setting
97
Data Setting
97
Data Setting for Program no
99
Writing Program Nos
100
Reading Program Nos
100
Sequence Program Sample
101
Initial Settings and Parameter Settings
101
Program for Limit Switch Output Function
101
Program for Limit Switch Output Function (Program No. 0)
103
Writing Program to Program Nos
108
Reading Program from Program Nos. 1-8
112
9 Troubleshooting
116
Error Code List
116
10 Dimensions
121
Vs-212Dn
121
External Setting Unit VS-T62 and Cable VS-C1S62-2
122
External Setting Unit VS-T62B and Cable VS-C62B-2
123
ABSOCODER Sensor
124
Extension Cable
126
11 Ce Marking
127
EMC Directives
127
EMC Directive and Standards
127
Low Voltage Directive
127
Restrictions
127
4
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NSD Varlimit VS-212DN Specifications
General
Brand
NSD
Model
Varlimit VS-212DN
Category
Controller
Language
English
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