FT-13 Technical Manual, Rev. 1.40 March 2013
Page 40 of 56
8.4 Profibus Option
Indicators which are equipped with the Profibus option can be connected to a PLC bus as described below.
Profibus DP V0 & V1
Automatic (96 kbit/s to 12 Mbit/s)
Update rate
Weight data will be updated each 40 ms
Response time on entries
5 ms to 25 ms
8.4.1 Electrical Connections
The pin configuration of the female 9-pol D-Sub Profibus connector (DB9F) is described in the table below:
1
Operation mode LED
2
Status LED
3
Profibus Connector
Pin no.
Signal
Description
1
2
3
B-Line
Positive RxD / TxD, RS485 level
4
RTS
Request to send
5
GND
Isolated GND
6
+5 V DC
Is5V output for bus termination
7
8
A-Line
Negative RxD / TxD, RS485 level
9
Housing
Shield
Bus cable shield, connected to Ground
Operation mode LED
State
Indication
Action / Comment
Off
Not on-line /No power
Check power and cable
Green
On-line, data exchange
Flashing Green
On-line, clear
Flashing Red (1 flash)
Setup error
Not supported
Flashing Red (2 flash)
PROFIBUS configuration error
Check GSD file
Status LED
State
Meaning
Off
No power or Profibus module is initialising
Green
Initialized
Flashing Green
Initialized and diagnostic event is present
Red
There is an exception error
8.5.2 Setup
[0--] Interface Block
[03-] Profibus
This sub-block includes the parameters of the Profibus port.
[032 X ] Data Format
0 : Signed 32 bit integer
1 : Signed 32 bit floating point
[033 XX] Address
The address of the instrument will be entered via numerical keypad. Value range is 1 to 126. After editing
the address it is required to restart the instrument.
The GDS file is available on a CD which is supplied together with the instrument.
After the setup of these parameters and the hardware connection as described above, the data interface can
be used as described in Appendix 4.
Important hint:
During the setup the Profibus output (weight value and status bits) will not be updated.
8.5.3 Data Structure
See Appendix 4.
