Interface Description
DirectNET is a network for the KOyo DirectLogic family of PLC’s. The DirectNET communications protocol enables Koyo DirectLogic PLCs (families DL205, DL305 and DL440 CPU’s) to communicate with externals units, such as PC’s, using RS232c and RS-422 asynchronous serial interfaces.
Technical Data
| Electrical Interface | : | RS232C |
| Types of data | : | V memory, timer/counter current value. Inputs (X, GX, Special Relay). Outputs (Y, C, Stage Bits, timer/countes status bits. Diagnostic status. |
| PLC types supported | : | DL205, DL305 and DL440. |
| Supported platforms | : | Windows Vista, Windows XP, Windows 2003 Server, Windows 2000 |
| Max. telegram size | : | 64 bytes pr Telegram. |
| Transmission speed | : | 1200 to 38400 baud. |
| Communication mode | : | Half duplex. |
| Throughput | : | Up tu 4 telegrams pr. second pr. channel. |
| Max. number of channels | : | Up to 8 COM ports are currently supported. |
| Max. number of nodes | : | 1 to 90 nodes are supported. |
| PC hardware requirements | : | Standard serial ports (COM ports). |
| PC software requirements | : | None |