FT-13 Technical Manual, Rev. 1.40 March 2013
Page 52 of 56
7...0
Calibration status
0000 0001
Ready for calibration
0000 0011
Zero calibration in process
0000 0100
Span calibration in process
0000 1001
Calibration error (see bit 15...8)
Any input to FT-13 is in
two double words
and according to the table below.
FT-13 Input
Bit no.
31
MSB
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
LSB
RxPDO 1
(R_DW1)
W31
MSB
W30 W29 W28 W27 W26 W25 W24 W23 W22 W21 W20 W19 W18 W17
W16
W15
W14 W13 W12 W11 W10 W09 W08 W07 W06 W05 W4
W3
W2
W1
W0
LSB
RxPDO 2
(R_DW2)
Pause
Hold
0
0
Reset Start Clear
Tare
Zero
New
Cmd
Command
CMD
R/W
Not in use
Here R_DW1 provides the value received from the PLC and R_DW2 describes the meaning of this value as
indicated below.
Bit no.
R_DW2
Description
15
Pause
A transition from 0 to 1 activates the Pause function in a filling process.
A transition from 1 to 0 deactivates the Pause function.
14
Hold
A transition from 0 to 1 activates the Hold function which stops the weight control in a filling
process and deactivates the feeding outputs.
A transition from 1 to 0 deactivates the Hold function.
13…12 Not used
Always 0
11
Reset
A transition from 0 to 1 activates the reset command.
10
Start
A transition from 0 to 1 activates the start command.
9
Clear
A transition from 0 to 1 activates the clear command.
8
Tare
A transition from 0 to 1 activates the tare command.
7
Zero
A transition from 0 to 1 activates the zero command.
6
New command
A transition from 0 to 1 activates the command described in the table below.
5
Command
Command
R / W
Definition
00000
R
Gross Weight, continuous
00001
R
Displayed Weight, continuous
00010
R
Net Weight, continuous
00011
R
Tare Weight, continuous
00100
R / W
Filling / Weighing Mode
Write: Toggle operation mode between filling and weighing
Read: 0: weighing ; 1: filling (W32...W16 of R_DW1)
00101
R / W
Target
00110
R / W
Tolerance
00111
R / W
Coarse
01000
R / W
Fine
01001
R / W
CN (W32...W16 of R_DW1)
01010
R
Last filling value
01011
R / W
Quantity (W32...W16 of R_DW1)
01100
R / W
Total
01101
R
Inputs (W32...W16 of R_DW1), continuous
01110
R / W
Outputs, continuous
01111
R / W
Middle
10000
W
Zero calibration and calibration status (see table above)
10001
W
Calibrate span and and calibration status (see table above)
First write the calibration weight value in R_DW1
10010
R
Only calibration status (see table above)
11111
Reserved
4
3
2
1
0
Command R / W
0: Read command; 1: Write command