Keyence SL-V Series User Manual Page 49
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2-25
Functions and Features
2
SL-V-M-NO2-E
2-9 Alert Output
The alert output is a NON-SAFETY-RELATED function.
The amount of light being received decreases as build-up collects on the surface of the SL-V or as
machine vibrations cause the beam axes to misalign. If the received light decreases enough, the
machine may suddenly stop because the OSSD turns to an OFF state due to beam interruption. The
alert output simply informs external, non safety-related devices that the amount of received light is
decreasing. The alert output simply informs external, non safety-related devices that the amount of
received light has been decreased for more than the alert output monitoring time.
The default setting of the alert monitoring time is 5 seconds, but it can be changed through the SL-VH1S.
Alert output is not allowed to be used as a safety output for safety-related control system. This
output should never constitute a part of a safety-related control system. Usage of this function
as safety output may result in significant harm to the machine operators, including serious
injury or death.
Wiring
Regardless of using an NPN or a PNP cable, the SL-V alert output can be connected to PNP and NPN
devices. Refer to the time charts mentioned in this manual because the alert output logic is different
depending on the connected device.
Conditions when the amount of light received is decreasing
• When the amount of light received on every beam axes is 100% or more for 5 seconds* or more.
• When the amount of light received on one or less beam axis is 140% or less.
* The time can be changed through the SL-VH1S.
Conditions when the amount of light received is not decreasing
Any of the following condition must be fulfilled.
• When the amount of light received on two or more beam axes is 140% or more for 5 seconds* or more.
• When the power is restored to the SL-V.
• When the SL-V is in the lockout condition.
* The time can be changed through the configuration software SL-VH1S.
Danger
Pink/Black
Brown
Blue
0V
+24V
Input device
Transmitter
Main
circuit
Pink/Black
Brown
Blue
0V
+24V
Input device
Transmitter
Main
circuit
For connecting a PNP input device For connecting an NPN input device
NOTE
Cable
Self-diagnosis
Series Connection
Interlock
AUX
EDM
Wait
State Information
Alert
Clear/Blocked
Suspension
Fixed
Reduced
Monitoring
- SL-V Series 1
- Introduction 2
- Safety Precautions 3
- Precaution on use 4
- Operators 4
- Environment of use 4
- Target machine 4
- Installation 5
- Circuit design and wiring 6
- Testing and maintenance 7
- Standards and regulations 8
- Table of Contents 9
- Chapter 4 Wiring 10
- Chapter 5 Optical Alignment 11
- Chapter 6 Indicators 11
- Appendix 12
- Before Use 13
- Checking the Package Contents 14
- 1-2 Options 15
- Hexagon socket bolt 15
- (M5, length: 6 mm, width 15
- (For mounting to the unit) 15
- Unit connection cable 16
- Junction cable 16
- Extension cable 16
- Cable combination example 17
- Series connection cable 18
- Cable length specification 18
- Protection bar 19
- SL-V Configurator (SL-VH1S) 20
- Upload configuration 21
- Download configuration 21
- Create/Save configuration 21
- Monitor light intensity 21
- 1-3 Part Description 22
- Part Description 23
- Functions and Features 25
- Cable Selection and Function 26
- Simple function type 27
- Multi-function type 27
- 2-2 Self-diagnosis Function 28
- Self-diagnosis Function 29
- 2-3 Series Connection 30
- 2-4 Interlock Function 31
- Configuration 32
- Interlock Function 33
- Interlock-reset-ready output 35
- Time chart 36
- 2-5 AUX (Auxiliary) Output 38
- 2-7 Wait Input Function 40
- 2-8 State Information Output 42
- State Information Output 46
- How to change the mode 48
- Making changes on the SL-V 48
- 2-9 Alert Output 49
- 2-10 Clear/Blocked Output 51
- SL-V-M-NO2-E 53
- Wiring for muting device 54
- Muting lamp wiring 54
- Limitations 54
- Muting bank function 56
- Reference 57
- Password setting 58
- Number 5 6 7 8 9 59
- Changing the password 60
- Steps (2) to (8) 62
- Steps (9) to (12) 62
- Steps (13) to (18) 62
- Steps (19) to (22) 62
- Entering the password 63
- Wiring 70
- 2-12 Fixed Blanking 72
- 2-13 Reduced Resolution 73
- OSSD is ON 73
- OSSD is OFFOSSD is ON 73
- 2-14 I/O Monitoring Function 74
- I/O Monitoring Function 75
- Correct Installation Method 78
- Safe Safe 79
- Dangerous 79
- 3-2 Safety Distances 80
- (2.76") or less 81
- Example 2 :ANSI B11.19-2010 82
- Detection 83
- S mm (inch) 83
- Series Connection 84
- 3-5 Cable Connections 87
- Cable Connections 88
- J (OP-83180) 91
- L-shaped mounting bracket 92
- Wiring the muting inputs 100
- Time chart 100
- Transmitter 100
- Workpiece 101
- Receiver 104
- Switch A2Switch A1 105
- Explanation 106
- Installation to a Machine 108
- SL-V-M-NO3-E 108
- SL-V-M-NO4-E 109
- Power supply 110
- 4-2 I/O Circuit Diagram 111
- Cable Color and Pin Position 112
- 4-4 Examples of Wiring 113
- 4-4 Examples of Wiring 114
- Optical Alignment 117
- 5-1 Optical Alignment 118
- Indicators 119
- Indication pattern 121
- During lockout condition 122
- 6-2 Function Indicators 123
- 6-3 Center Indicator 124
- Built-in indicator mode 125
- State indicator mode 125
- When setting on the SL-V unit 126
- Built-in indicator mode 127
- Center Indicator 128
- Specifications and Dimensions 129
- 7-1 Model 130
- 7-1 Model 131
- 7-2 Specifications 134
- Response time (OSSD) 135
- Current consumption 136
- 7-4 Dimensions (SL-VF/VH/VL) 137
- SL-VF Units: mm 138
- SL-VH Units: mm 138
- SL-VL Units: mm 139
- 7-4 Dimensions (SL-VF/VH/VL) 142
- Dimensions (SL-VF/VH/VL) 143
- Units: mm 143
- Back mounting Side mounting 143
- Protection bar 146
- ReceiverTransmitter 147
- Transmitter Receiver 147
- SL-VFM 148
- SL-VHM 148
- SL-VLM 151
- Dimensions (SL-VFM/VHM/VLM) 152
- A-1 Troubleshooting 154
- LED bar indicator 154
- Function indicator 154
- Troubleshooting 155
- A-2 Checklist 160
- Checklist 161
- Revision History 166
- E 1101-3 167
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