Product family：
Liquisys M COM253
Dissolved oxygen transmitter
Liquisys M COM253；Sensor Input/Software COS41 4/4HD); basic version；Power Supply 230VAC；Output Profibus DP；Additional Contact 1x 4...20mA input + 2x relay (timer / Limit / P(ID)
Order Code：COM253-DX0420
Name：Liquisys M COM253
Configuration
| Code | Name | Order | Specification |
|---|---|---|---|
| 010 | Sensor Input; Software | DX | COS41 4/4HD); basic version |
| 020 | Power Supply | 0 | 230VAC |
| 030 | Output | 4 | Profibus DP |
| 040 | Additional Contact | 20 | 1x 4...20mA input + 2x relay (timer / Limit / P(ID) |