4-1
Section 4 Software Interface
4-1 General
The non-procedural FB supplied with the D300wind is used for communication between the NP1L-RS1/2/4 and external
devices. The non-procedural FB performs data communication between the CPU module and external devices based on
the start-stop synchronous transmission protocol.
The following seven types of non-procedural FBs are offered.
emaNBF weivrevOnoitacificepS
eerf_C_sdrow215:evieceR,sdrow215:dneSBFlarudecorp-noN
252rfC_sdrow252:evieceR,sdrow252:dneSBFlarudecorp-noN
821rfC_sdrow821:evieceR,sdrow821:dneSBFlarudecorp-noN
46rfC_sdrow46:evieceR,sdrow46:dneSBFlarudecorp-noN
23rfC_sdrow23:evieceR,sdrow23:dneSBFlarudecorp-noN
rprfC_
sdrow215:evieceR,sdrow215:dneSBFlarudecorp-noN
.eludomehtnierawmrifehtybdessecorpsignissecorpnoitacinummocfotrapA
2prfC_
sdrow215:evieceR,sdrow215:dneSBFlarudecorp-noN
sdraobegassemowtdnaeludomehtnierawmrifehtybdessecorpsignissecorpnoitacinummocfotrapA
.deepsgnissecorpehtesaercniotdesuera
Note 1: _Cfrpr FB can be used with V.2535 or later versions of the NP1L-RS1, JP1L-RS2, and NP1L-RS4. The functions
of the non-procedural FB are shown below.
Note 2: _Cfrp2 FB can be used with V.2536 or later versions of the NP1L-RS1, JP1L-RS2, and NP1L-RS4. For the
specifications of _Cfrp2, refer to “EXTENDED FB FOR COMMUNICATION USER’S MANUAL FH255.”
1) Initialization of communication ports
Initializes RS-232C and RS-485 ports (sets transmission speed, data bit length, parity bits, etc., so as to match the
external device.)
2) Data sending/receiving function
Sends the data from an application program in the CPU of MICREX-SX series via RS1 to an external device, or outputs
the data received via the general purpose communication module to an application program.
3) Monitoring of transmission condition
Monitors the condition of data transmission and, if abnormal, outputs error information.
<Function diagram of Non-procedural FB>
CPU module RS1/2/4
Application program
Non-procedural
FB
External device
1)
2) 3)
To Next Page
Loading...
