9.1.3 Protocols
The following two protocols are available for PV500.
General Purpose
This method communicates with external devices according to the protocol
Communication:
specified in PV500.
As data is sent and received using ASCII strings, there is no restriction on external
devices, however, a communication program for PV500 should be created in the
external devices.
Using this method enables to output inspection results, control PV500, read and
change the setting values of PV500.
PLC Communication:
This method communicates with a PLC according to the protocol of the destination
PLC. Although usable PLC units are limited, communication can be easily
(Available from
performed as inspection results are written into the registers of PLC specified in
Ver.1.5)
advance. However, unlike the general purpose communication, only integers can
be written.
Only the type switch function can be controlled using the PLC communication on
PV500.
395