| |
Port specification |
Interface |
Connection mode |
Communication protocol |
Connected device |
| Port 1 |
Dedicated |
RS-232C |
1 : 1 |
H-Protocol
(procedure 1 or 2) |
PC (Programming software or SCADA), HMI, etc. |
AT command, H-Protocol
(procedure 1 or 2) |
Modem |
| RS-422 * |
1 : 1 |
H-Protocol
(procedure 1 or 2) |
PC(Programming softtware or SCADA), HMI, etc. |
| 1 : N |
H-Protocol with station number
(procedure 1 or 2) |
| ES-485 * |
1 : 1 |
H-Protocol
(procedure 1) |
PC (Programming software or SCADA), HMI, etc. |
| 1 : N |
H-Protocol with station number
(procedure 1 or 2) |
| General purpose |
RS-232C |
1 : 1 |
No protocol operated by TRNS/RECV command in user program |
Bar code reader, serial Printer, PC, etc. |
| RS-422 * |
1 : 1, 1 : N |
| RS-485 * |
1 : 1, 1 : N |
| Port 2 |
Dedicated |
RS-232C |
1 : 1 |
H-Protocol (procedure 1) |
PC (Programming software or SCADA), HMI, etc. |
