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Photoelectric Sensors
Multi-function sensor with additional functions
BOS 21M-UUI-RP30-S4
Two Value Teach: Teach-In with 2 Teach points
(continued)
7. Verify whether SP1 has been taught successfully:
Read out and check the parameter Teach-In Status
using Index 0x003B.
Access
Index
Sub-
index
R
0x003B
0x00
(59)
(0)
8. Save and apply switchpoint SP1: Send
system command 0x40 to the sensor.
Access
Index
Sub-
index
W
0x0002 (2) 0x00 (0) 0x40 (64) Teach Apply
9. Verify whether SP1 has been taught successfully: Read
out and check the Teach-In Status parameter using
index 0x003B.
Access
Index
Sub-
index
R
0x003B
0x00
(59)
(0)
8
english
Value
Meaning
Result
0x34
TP1 and TP2
Go to
(52)
for SP1
Step 8
successfully
taught
Teach State
= WAIT FOR
COMMAND
0x07
Teach State
Back to
(7)
= Error
Step 3
Value
Meaning
Value
Meaning
Result
0x01
SP1
Teach-in
(1)
success fully
completed
applied
success-
Teach State
fully
= SP1
SUCCESS
0x07
Teach State
Back to
(7)
= Error
Step 3
Dynamic Teach-In
Principle
Dynamic teach-in allows you to set the switchpoint without
stopping the process.
Typical application: setting a switchpoint for a laterally
approaching object on a conveyor belt.
During the teach procedure, which begins with the Start
command and ends with the Stop command, the sensor
performs measurements and determines the minimum and
maximum value of the measurements.
Fig. 9:
Dynamic Teach
Teach instructions
1. Align sensor for the running process.
2. Select the teach-in channel as follows:
Access
Index
Sub-
index
W
0x003A (58) 0x00 (0) 0x00 (0) Standard BDC1
3. Start dynamic teach-in: Send system command 0x47
to the sensor.
Access
Index
Sub-
index
W
0x0002 (2) 0x00 (0) 0x47 (71) SP1 Dynamic
4. Wait until at least 1 process cycle in the light path has
taken place.
5. Stop dynamic teach-in: Send system command 0x48
to the sensor.
Access
Index
Sub-
index
W
0x0002 (2) 0x00 (0) 0x48 (72) SP1 Dynamic
6. Save and apply switch point SP1:
Send system command 0x40 to sensor.
Access
Index
Sub-
index
W
0x0002 (2)
0x00 (0)
7. Verify whether SP1 has been applied successfully:
Read out and check the parameter Teach-In Status
using Index 0x003B.
Access
Index
Sub-
Value
index
R
0x003B
0x00
0x01
(59)
(0)
0x07
System commands
Value
Meaning
Value
Meaning
Teach Start
Value
Meaning
Teach Stop
Value
Meaning
0x40 (64) Teach Apply
Meaning
Result
SP1
Teach-in
(1)
success fully
completed
applied
success-
Teach State
fully
= SP1
SUCCESS
Teach State
Back to
(7)
= Error
Step 3
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