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MININET communication is only supported on serial devices. Serial communication can be operated as a point-to-point connection (RS232) or as a network connection (RS485).
MININET is a master/slave protocol where the PVI MININET line carries out the functions of the master. A multi-master function is not possible via the MININET protocol.
All necessary components are installed with PVI Setup.
The MININET line can be operated on the following platforms:
Windows platform |
Limitations |
Windows 7 or higher |
- |
Windows NT/2000/XP/Vista |
No verification for Windows NT/2000 in PVI V4.0 or higher. |
B&R standard software (model number: SWSPSCOM01-0 for 3.5")
Function blocks:
|
PLC mode |
Hardware |
|
Max. baud rate |
DFMN.MSL |
NETWORK ADAPTER MININET V0.01 |
|
|
|
DPMN.PRG |
Mininet Driver NP02 / PP40 |
Network p. NP02 |
|
19200 |
DTMN.TAB |
Configuration Table for DFMN |
|
|
|
NDSA.MSL |
MININET - SLAVE DRIVER A V2.40 |
PIFA/PIF1/PIF3 |
|
7200 |
NDSB.MSL |
MININET - SLAVE DRIVER B V2.15 |
PP40/CP31/.. |
|
19200 |
NDSC.MSL |
MININET - SLAVE DRIVER C V2.40 |
CP63/CP80/PP60 |
|
19200 |
NDSD.MSL |
MININET - SLAVE DRIVER D V0.00 |
PRTS without FIFO |
|
19200 |
NDSE.MSL |
MININET - SLAVE DRIVER E V0.00 |
PRTS with FIFO |
|
19200 |
NPLS.MSL |
MININET - SLAVE PLC V2.04 |
|
|
|
MDSA.MSL |
MININET/PLC - SLAVE A V2.30 |
PIFA/PIF1/PIF3 |
=NDSA + NPLS |
7200 |
MDSB.MSL |
MININET/PLC - SLAVE B V2.15 |
PP40/CP31/.. |
=NDSB + NPLS |
19200 |
MDSC.MSL |
MININET/PLC - SLAVE C V2.50 |
CP63/CP80/PP60 |
=NDSC + NPLS |
19200 |
|
SPOIO mode |
Hardware |
|
Max. baud rate |
NDSA.MSL |
MININET - SLAVE DRIVER A V2.40 |
PIFA/PIF1/PIF3 |
|
7200 |
NDSB.MSL |
MININET - SLAVE DRIVER B V2.15 |
PP40/CP31/.. |
|
19200 |
NDSC.MSL |
MININET - SLAVE DRIVER C V2.40 |
CP63/CP80/PP60 |
|
19200 |
NDSD.MSL |
MININET - SLAVE DRIVER D V0.00 |
PRTS without FIFO |
|
19200 |
NDSE.MSL |
MININET - SLAVE DRIVER E V0.00 |
PRTS with FIFO |
|
19200 |
NSPO.MSL |
MININET - SLAVE SPOIO PLC V2.04 |
|
|
|
MSSA.MSL |
MININET/SPOIO - SLAVE A V2.41 |
PIFA/PIF1/PIF3 |
=NDSA + NSPO |
7200 |
MSSB.MSL |
MININET/SPOIO - SLAVE B V2.21 |
PP40/CP31/.. |
=NDSB + NSPO |
19200 |
MSSC.MSL |
MININET/SPOIO - SLAVE C V2.60 |
CP63/CP80/PP60 |
=NDSC + NSPO |
19200 |
PLC operating system V1.91 and higher
dvframe.br starting from V3.30 (included starting with PG2000 V2.39 / model no. 1A2000.01)
drv_mn.slb starting from V1.30 (model number: 1A2224.01)
A maximum of 32 stations can be connected to a bus.
Executed as an RS485 twisted pair cable, shielded. Cross-section: min. 0.5 mm². Wave impedance: 120 ohms. Terminating resistor: 120 ohms on both ends. Length: maximum 1,200 meters. Maximum line resistance: 50 ohms per wire.
The cabling for the RS485 network can only be made using a bus structure. The bus connection can be made either directly or using a maximum 0,25 m long branch line.