Communications capabilities
■ RS485 connection – up to 31 slaves
■ CANopen – up to 62 slaves
■ CANlink – up to 62 slaves
■ Modbus TCP – up to 32 slaves (working as client/master)
■ Modbus TCP – up to 16 masters (working as server/slave)
■ Up to 3 serial ports (RS232/485) – 1 onboard and 2 GE20 expansion cards
| Expansion card | Product code | Descnpticn |
| GE20-400-TN | 1480033 | 4 channel sink outputs |
| GE20-401 | 1480032 | 4channel source/sink inputs |
| GE20-2AD1DA- | 1480027 | 2 analog inputs and 1 analog current cutput |
| GE20-2AD1DV | 1480028 | 2 analog inputs and 1 analog woltage cutput |
| GE20-232/495-RTC | 1480035 | RS232/485 expansion card with RTC |
| GE20-2321495 | 1480029 | RS232/485 expansn card |
| GE20-CAN-495 | 1480034 | CAN/RS485 expansion card with R M5 interface |
| GE20-RTC | 1480031 | RTC expansion card |
| GE20-TF | 1480030 | TF expansion card |
