The Internal ARCNET Communication Module \ PM5x1-ARCNET¶
In the PLC configuration, the following parameters can be set for the internal ARCNET Communication Module “PM5x1-ARCNET - Internal ARCNET”:
| Parameter | Default value | Value | Meaning |
|---|---|---|---|
| Run config fault | No | No | In case of a configuration error, the user program is not started. |
| Yes | The user program is started independent of a faulty configuration of the internal ARCNET Communication Module. | ||
Address see remark 1 AC500 PLC Configuration |
0 | 0…255 | Address (node ID) of the ARCNET Communication Module |
Baudrate see remark 2 AC500 PLC Configuration |
2.5 MB/s | 2.5 MB/s | Baudrate set for the ARCNET Communication Module |
| 1.25 MB/s | |||
| 625 kB/s | |||
| 312.5 kB/s | |||
Extended timeout ET1/ET2 |
Very small net | Very small net (=0) | ARCNET timeout setting. The following applies: Bit 0 configures ET2 of the Communication Module Bit 1 configures ET1 of the Communication Module Value ET1 ET2 Meaning ———————– 0 0 0 Max. network expansion 2 km 1 1 0 2 0 1 3 1 1 for large networks |
| Small net (=1) | |||
| Big net (=2) | |||
| Very big net (=3) | |||
| Long packets | Enable | Enable | Enable long data packages (512 bytes) |
| Disable | Incoming long data packages are received and dismissed. The SEND block indicates an error in case of long data packages. | ||
| Evaluate DIN on receipt see remark 3 AC500 PLC Configuration | Enable | Enable | Enable check of DIN identifier on receipt |
| Disable | Disable check of DIN identifier on receipt |