5-7
5-4 Communication protocol for serial output
F3EM2 MEASURING LIGHT CURTAINS OPERATION MANUAL
5
Operating serial output models (RS-
LBB + NBB
Dip switch setting:
The reply received from the light curtain is composed of 4 bytes.
The first two bytes are related to LBB data
The second two bytes are related to NBB.
LBB data is the binary conversion of the LBB id number.
NBB data is the binary conversion of the NBB number.
The order of bytes in the protocol is same as example described for FBB + NBB setting.
LBM + NBM
Dip switch setting:
The reply received from the light curtain is composed of 4 bytes.
The first two bytes are related to LBM data
The second two bytes are related to NAB.
LBM data is the binary conversion of the LBM id number.
NAB data is the binary conversion of the NAB number.
The order of bytes in the protocol is same as example described for FBB + NBB setting.
Continues bitmap transmission
Dip switch setting:
This setting allows the light curtain to transmit the bitmap of optics every cycle time.
The interrogation code is used as a start and stop trigger.
After power-on the LC waits for the interrogation code to start transmitting.
When interrogation code was received the LC continuously sends out the updated bitmap of
optics every cycle time. When the light curtain receives a further interrogation code it stops
transmitting and waits for the next interrogation code to start again the transmission.
The order of bitmaps is described in ’Bitmap of optics’ on page 5-5.
6
7
8
Type of function
OFF
ON
ON
LBB + NBB
6
7
8
Type of function
ON
OFF
OFF
LBM + NAB
6
7
8
Type of function
ON
ON
OFF
Analogue out (FBB)
Summary of Contents for F3EM2 Series
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Page 35: ...F3EM2 MEASURING LIGHT CURTAINS OPERATION MANUAL 6 Order codes...
Page 37: ...F3EM2 MEASURING LIGHT CURTAINS OPERATION MANUAL 7 7 1 Ratings 7 2 Technical specifications...
Page 43: ...F3EM2 MEASURING LIGHT CURTAINS OPERATION MANUAL 9 Dimensions...