
FT 50 RLA Disctance sensor - GB - 068-13671 - 20.04.2009-05
Mounting and
operating instructions
76
Example telegram
(in the example, the sensor has the address 1, it is switched to 2)
Master telegram
Sensor’s reply telegram
Designation
Decimal
Hex.:
Designation
Decimal
Hex.:
1. Byte
Address
129
81
1. Byte
Address
129
81
2. Byte
Length
5
05
2. Byte
Length
4
04
3. Byte
Command
76
4C
3. Byte
Reply
89
59
4. Byte
Data
2
02
4. Byte
Check sum
92
5C
5. Byte
Check sum
74
4A
8.5.22 Read sensor settings
Command (Byte 3):
decimal 63; hexadecimal 0x3F
Parameter format
Parameter:
no
Reply (Byte 3):
decimal 89; hexadecimal 0x59
Parameter format
Parameter:
Function 1
D8: Trigger input
D9: Q
1
is enable input
D10: X
D11: Maximum hold
D12: Difference hold
D13: Q
1
is software input
D14: fast measuring value output
12 bit data item: data 2
D0: Q
1
is signal output
D1: Q
1
is scanning zone
D2: Q
1
is signal output inversion (1 = N.C.)
D3: Q
1
is signal output pulse stretching
D4: Minimum hold
D5: Autom. zero
D6: Autom. centre
Function 2
D8 ... D14: Identifikation of variants
12 bit data item: data 2
D0: Q
1
is signal output
D1: Q
1
is scanning zone
D2: Q
1
is signal output inversion (1 = N.C.)
D3: Q
1
is signal output pulse stretching
D4: Q
2
ist good target output
D5 ... D6: X
Function 3
D8: Measured value hold
D9, D10: X
D11: Key lock
D12 ... D14: X
12 bit data item: data 2
D0: Mean value 0,4 ms
D1: Mean value 4 ms
D2: Mean value 40 ms
D3 ... D6: X
Characteristic curve 4 mA point
12 bit data item: data 1
Characteristic curve 20 mA point
12 bit data item: data 1
Switching threshold Q
1
12 bit data item: data 1
Scanning zone Q
1
12 bit data item: data 1
Switching threshold Q
2
12 bit data item: data 1
Scanning zone Q
2
12 bit data item: data 1