ProSoft Technology MVI56-BAS - Manual (Page 81)

MVI56-BAS ♦ ControlLogix Platform Using DF1 Protocol Communications
BASIC Module (DB/BAS Compatible) User Manual
ProSoft Technology, Inc. Page 81 of 234
December 13, 2011
7 Using DF1 Protocol Communications
In This Chapter
Operation ............................................................................................... 82
Communication ..................................................................................... 83
DF1 Commands .................................................................................... 84
Sending a DF1 Read Command ........................................................... 85
Sending a DF1 Write Command ............................................................ 87
Receiving a DF1 Write Command ......................................................... 89
Transmitting a DF1 Packet .................................................................... 91
The MVI56-BAS PRT2 can be configured for DF1 protocol communication. The
MVI56-BAS uses DF1 to communicate with external DF1 devices in Full-Duplex
or Half-Duplex Slave modes.
The following figure shows possible DF1 applications and the BASIC CALLs for
each application. Before running CALLs 118, 122 or 123, it is required that PRT2
is already enabled for DF1 protocol using CALL 108.
The MVI56-BAS supports: