| IO-Link | Device |
| Illustrate | Extension modules |
| Type | 16×DI NPN |
| Rated working voltage | 18...30 V |
| IO-Link RUN function indicator | Green LED indicator light |
| Power start-up indication light | Green LED indicator light |
| Connection: IO-Link | M12，A-coded, male/D-coded, female |
| Connection: I/O port | M12，A-coded，female |
| Connection: US | Via IO-Link interface |
| Connection: UA | Via IO-Link interface |
| Number of I/O ports | 8 |
| Input quantity | Maximum 16 |
| Output quantity | - |
| Input/output configurable | No |
| Single channel monitoring | No |
| Maximum load current, sensor | 350 mA |
| Maximum load current, actuator | - |
| Port status indicator | Yellow/Red LED |
| Total current US | < 1.4A |
| Total current UA | < 1.4A |
| Degree of protection as per IEC 60529 | IP67（When connected correctly） |
| Operating temperature | -25...+70 ℃ |
| Storage temperature | -40...+85 °C |
| Weight | - |
| Fastener | 2 pcs mounting hole |
| Dimensions (length × width × height) | 143×58×28.7 mm |
| Shell material | Modified plastic |
| Remark | Recommended to be used together with 64DD21-xxx |
lO-Link 1.1
|
| Max. cycle time | 5 ms |
| IO-Link tackled data length | 4 pcs input bytes |
| Indicator light communication | Green LED indicator light |
| Indicator light error | Red LED indicator light |
