Balluff FT 50 RLA Serie Instructions De Service Et De Montage page 78

8.5.23 „Meas. value hold" function
Command (Byte 3): decimal 82; hexadecimal 0x52
Parameter: D0 = 0: Measuring value Hold off
D0 = 1: Measuring value Hold
Reply (Byte 3): decimal 89; hexadecimal 0x59
Parameter: no
If this function is activated, the last valid measured value is transmitted at the analogue output when no object is in
the measuring range (OK LED = OFF). The switching output also maintains its status (if set).
The current value is only displayed again when an object is within the measuring range (OK LED = ON).
Example telegram
(in the example, the sensor has the address 1, „meas. value hold" is activated)
Master telegram
Designation
1. Byte Address
2. Byte
Length
3. Byte Command
4. Byte
Data
5. Byte Check sum
9 Care and maintenance
9.1 Cleaning
Should the front screen of the sensor become dirty, wipe it with a soft cloth and if necessary use a cleaning agent for
plastic surfaces.
CAUTION
Never use aggressive detergents.
9.2 Transport, packaging, storage
Check the delivery upon receipt to ensure that it is complete and that no damage occurred during transport. Should
the delivery be damaged, contact the carrier immediately. When returning the sensor, the packaging must always be
sufficiently solid.
INFORMATION
If a defect is found, a complaint must be made immediately. Claims can only be made within the
valid time limit.
9.3 Disposal
Electronic components are subject to the regulations governing treatment of hazardous waste and may only be
disposed of by specialist companies.
78
Decimal Hex.:
129 81
5 05
82 52
1 01
87 57
Parameter format
7 bit data byte
Sensor's reply telegram
Designation
1. Byte Address
2. Byte
Length
3. Byte Reply
4. Byte
Check sum
FT 50 RLA Disctance sensor - GB - 068-13671 - 19.05.2016-12
Mounting and
operating instructions
Decimal Hex.:
129 81
4 04
89 59
92 5C