Inficon LDS3000 Modular Leak Detector Interface descriptio Manual de usuario Pagina 49

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 56
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 48
Fieldbus Communication 49
6 Fieldbus Communication
6.1 Preface
In order to use Fieldbus Communication with LDS3000, you need an INFICON Bus-
Module BM1000 connected to the I/O port of the LDS3000.
When setting up the PROFIBUS communication you need to use the GSD file
provided by INFICON.
The following file contains the communication characteristics for the PROFIBUS:
HMSB1811.GSD
You can download the file at
http://www.anybus.de/
6.2 Setup
Select the „Bus modul“ at the control unit (CU1000): MENU > SETTINGS > SETUP >
I
NTERFACES > ACCESSORY > DEVICE SEL. > BUS > OK.
Select the field bus at the control unit (CU1000): M
ENU > SETTINGS > SETUP >
I
NTERFACES > BUS MODULE > ADDRESS.
Information Attention: This value do not come into effekt until a restart of the leak
detector (power off / power on)!
6.3 Process Data Mapping for Cyclic Data Transfer
6.3.1 Write Process Data (PLC-> Leak Detector)
This data is sent periodically from the programmable logic controller to the leak
detector:
Byte Bit Name Meaning
Similar to
PLC Input
Similar to
RS232 ASCII
cmd.
Similar to
RS232 LD
cmd.
1
0 (not used)
1Zero
Transition 0 -> 1: 0x02 = Zero on
Transition 1 -> 0: 0x00 = Zero off
ZERO *ZERO 6
2 Clear
Transition 0 -> 1: 0x04=Clears errors and
warnings
Clear *CLS 5
3 Start/Stop
Transition 0 -> 1: 0x08= Start
Transition 1 -> 0: 0x00= Stop
Start / Stop
*START /
*STOP
1, 2
4
CAL intern
Transition to 0: 0x00 = Cancel internal
calibration
Transition to 1: 0x10 = Start internal
calibration
CAL intern *CAL:INT 4
5
6
CAL extern
Transition to 0: 0x00 = Cancel external or dyn.
calibration
Transition to 1: 0x40 = Start external or. Dyn.
calibration
Transition to 2: 0x80 = Acknowledge closed
test leak
CAL extern /
CAL dynamic
*CAL:EXT 4
7
Vista de pagina 48
1 2 ... 44 45 46 47 48 49 50 51 52 53 54 55 56

Comentarios a estos manuales

Sin comentarios