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NX-SL series
Omron NX-SL series User Manual
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1
4 Safety Function Blocks
NX-series Safety Control Unit In
structions Reference Manual (Z9
31)
4
SF_Antivalent
Note
T
ransitions to the Idle state
from any other
state are not
shown for when
Activate
changes to F
ALSE. How-
ever
, the tra
nsition to the Idle
state has
the highest
priority
(0).
S
t
ate T
ransition Diagram
0
1
2
3
1
2
1
2
1
3
1
2
1
2
1
3
1
Idle
0000
Init
8001
Error 3
C003
From Active
Wait
8005
Safety
Output
Enabled
8000
Wait for NC
8014
Error 1
C001
Error 2
C002
Wait for NO
8004
NOT Activate
Activate
NOTS_ChannelNC
NOTS_ChannelNC
NOTS_ChannelNO
AND NOT
S_ChannelNC
NOTS_ChannelNO
AND NOT
S_ChannelNC
NOTS_ChannelNC
AND
S_ChannelNO
NOTS_ChannelNC
AND S_ChannelNO
NOTS_channelNC
AND S_ChannelNO
NOTS_channelNC
AND S_ChannelNO
NOTS_ChannelNC
AND S_ChannelNO
NOTS_ChannelNC
AND S_ChannelNO
NOTS_ChannelNC
AND S_ChannelNO
S_ChannelNC AND
NOTS_ChannelNO
S_ChannelNC AND
NOTS_ChannelNO
NOTS_ChannelNC
ANDS_ChannelNO
NOTS_ChannelNC
ANDS_ChannelNO
Discrepancy
Time Elapsed
Discrepancy
Time Elapsed
S_ChannelNO
S_ChannelNO
S_ChannelNC
S_ChannelNC
S_ChannelNC
AND
S_ChannelNO
S_ChannelNC
AND
S_ChannelNO
NOTS_ChannelNC
OR S_ChannelNO
NOTS_ChannelNC
OR S_ChannelNO
NOTS_ChannelNO
NOTS_ChannelNO
DiscrepancyTime Elapsed
DiscrepancyTime Elapsed
Ready=FALSE
Ready=TRUE
S_AntivalentOut=FALSE
S_AntivalentOut=TRUE
140
142
Table of Contents
Introduction
3
Intended Audience
3
Applicable Products
3
Table of Contents
4
Relevant Manuals
9
Manual Structure
10
Page Structure
10
Special Information
11
Terms and Conditions Agreement
12
Warranty, Limitations of Liability
12
Application Considerations
13
Disclaimers
13
Safety Precautions
15
Precautions for Safe Use
16
Precautions for Correct Use
17
Regulations and Standards
18
Conformance to EC Directives
18
Conformance to en ISO 13849-1 and en 62061
19
Conformance to UL and CSA Standards
19
Conformance to KC Standards
20
Software Licenses and Copyrights
20
Unit Versions
21
Unit Versions and Sysmac Studio Versions
23
Unit Version Notation
23
Related Manuals
24
Terminology
25
Revision History
26
Sections in this Manual
27
Introduction to Instructions for Safety Control Units and Interpreting Instruction Descriptions
27
Types of Instructions
30
Interpreting Instruction Descriptions
31
Items
31
Safety Data Types and Standard Data Types
32
Valid Ranges and Default Values of Variables
32
Timer Set Values
33
Standard Functions
36
Table of Standard Functions
36
Execution Control Instructions
39
JUMP and LABEL
40
Return
42
Data Type Conversion Instructions
43
Bool_To_Int
46
Bool_To_Dint
47
Bool_To_Time
48
Bool_To_Word
49
Byte_To_Int
50
Byte_To_Dint
51
Word_To_Int
52
Word_To_Dint
54
Dword_To_Dint
55
Byte_To_Time
57
Word_To_Time
58
Dword_To_Time
59
Byte_To_Word
60
Word_To_Byte
61
Word_To_Dword
62
Dint_To_Bool
63
Int_To_Bool
64
Dint_To_Byte
65
Dint_To_Dword
66
Dint_To_Word
68
Int_To_Byte
69
Int_To_Dword
70
Int_To_Word
72
Dint_To_Int
74
Int_To_Dint
75
Dint_To_Time
76
Int_To_Time
77
Time_To_Bool
78
Time_To_Byte
79
Time_To_Dword
80
Time_To_Word
81
Time_To_Dint
82
Time_To_Int
83
Word_To_Bool
84
Boolean Operation Instructions
85
AND, OR, and XOR
86
Not
88
Math Instructions
89
Add
90
Sub
92
Mul
94
DIV
96
Comparison Instructions
99
LT, LE, GT, and GE
102
Selection Instructions
105
Sel
106
Mux
108
Safety Standard Function Block Instructions
112
Sf_Ctd
113
Sf_Ctu
115
Sf_Ctud
117
Sf_F_Trig
120
Sf_R_Trig
121
Sf_Rs
122
Sf_Sr
123
Sf_Tof
124
Sf_Ton
126
Sf_Tp
128
Safety Function Blocks
131
General Rules for Safety Function Blocks
132
Safety Function Block Instructions
138
Sf_Antivalent
139
Sf_Edm
145
Sf_Emergencystop
153
Sf_Enableswitch
160
Sf_Equivalent
166
Sf_Espe
172
Sf_Guardlocking
179
Sf_Guardmonitoring
185
Sf_Modeselector
191
Sf_Mutingpar
200
Sf_Mutingpar_2Sensor
212
Sf_Mutingseq
221
Sf_Outcontrol
231
Sf_Safetyrequest
237
Test Mode
245
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Omron NX-SL series Specifications
General
Brand
Omron
Model
NX-SL series
Category
Control Unit
Language
English
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