Isicelo
Amamojula okuxhumana avumela ukuxhumana nomlingani wokuxhumana wangaphandle ukushintshanisa idatha. Izinketho eziphelele zokulinganisa zenza kube nokwenzeka ukuvumelanisa ukulawula ngokuguquguqukayo nomlingani wokuxhumana.
I-Modbus RTU master idala inethiwekhi ye-Modbus RTU yezigqila ze-Modbus ezingafika ku-30.
Amamojula okuxhumana alandelayo ayatholakala:
- I-CM PtP RS232 BA;
imojuli yokuxhumana ene-interface ye-RS232 yamaphrothokholi i-Freeport, 3964(R) kanye ne-USS; isixhumi se-sub D esingu-9-pin, ubuningi obungu-19.2 Kbit/s, ubude bohlaka lwe-1 KB, i-receive buffer engu-2 KB - I-CM PtP RS232 HF;
imojuli yokuxhumana ene-interface ye-RS232 yamaphrothokholi i-Freeport, 3964(R), i-USS kanye ne-Modbus RTU; isixhumi se-sub D esingu-9-pin, ubuningi be-115.2 Kbit/s, ubude bohlaka lwe-4 KB, i-receive buffer engu-8 KB - I-CM PtP RS422/485 BA;
imojuli yokuxhumana ene-interface ye-RS422 kanye ne-RS485 yamaphrothokholi i-Freeport, 3964(R) kanye ne-USS; isokhethi ye-sub D engu-15-pin, ubuningi be-19.2 Kbit/s, ubude bohlaka lwe-1 KB, i-2 KB receive buffer - I-CM PtP RS422/485 HF;
imojuli yokuxhumana ene-interface ye-RS422 kanye ne-RS485 yamaphrothokholi i-Freeport, 3964(R), i-USS kanye ne-Modbus RTU; isokhethi ye-sub D engu-15-pin, ubuningi be-115.2 Kbit/s, ubude bohlaka lwe-4 KB, i-receive buffer engu-8 KB