| Manufacturer part number (MPN) | CJ1W-PRT21 |
| EAN / GTIN | 4536854859908 |
| Sales unit | pcs |
| Series | Omron CJ Communication Units |
| Product family | Automation Systems / Programmable Logic Controllers (PLC) / CJ2 |
| I/O system | CJ I/O Bus |
| Expansion unit type | Special I/O Unit |
| Type of module | Communication |
| IO-Link master | FALSE |
| Communication port(s) | PROFIBUS DP Slave |
| Number of communication ports | 1 |
| Product Height (unpacked) | 90 mm |
| Product Width (unpacked) | 31 mm |
| Product Depth (unpacked) | 65 mm |
| Product Weight (unpacked) | 145 g |
| Certified for UL hazardous location division 1 | No |
| Certified for UL hazardous location division 2 | No |
| Certified for UL hazardous location group A (acetylene) | No |
| Certified for UL hazardous location group B (hydrogen) | No |
| Certified for UL hazardous location group C (ethylene) | No |
| Certified for UL hazardous location group D (propane) | No |
| Certified for UL hazardous location group E (metal dusts) | No |
| Certified for UL hazardous location class I | No |
| Certified for UL hazardous location class II | No |
| Certified for UL hazardous location class III | No |
| Supporting protocol for EtherCAT | No |
| Number of HW-interfaces other | 1 |
| With optical interface | No |
| Supporting protocol for TCP/IP | No |
| Supporting protocol for PROFIBUS | Yes |
| Supporting protocol for CAN | No |
| Supporting protocol for INTERBUS | No |
| Supporting protocol for ASI | No |
| Supporting protocol for KNX | No |
| Supporting protocol for Modbus | No |
| Supporting protocol for Data-Highway | No |
| Supporting protocol for DeviceNet | No |
| Supporting protocol for SUCONET | No |
| Supporting protocol for LON | No |
| Supporting protocol for PROFINET IO | No |
| Supporting protocol for PROFINET CBA | No |
| Supporting protocol for SERCOS | No |
| Supporting protocol for Foundation Fieldbus | No |
| Supporting protocol for EtherNet/IP | No |
| Supporting protocol for AS-Interface Safety at Work | No |
| Supporting protocol for DeviceNet Safety | No |
| Supporting protocol for INTERBUS-Safety | No |
| Supporting protocol for PROFIsafe | No |
| Supporting protocol for SafetyBUS p | No |
| Supporting protocol for other bus systems | No |
| Radio standard Bluetooth | No |
| Radio standard WLAN 802.11 | No |
| Radio standard GPRS | No |
| Radio standard GSM | No |
| Mobile communications standard 3G (UMTS) | No |
| Redundancy | No |
| Transmission rate | 12000 kBit/s |
| With potential separation | No |
| SIL according to IEC 61508 | None |
| Suitable for safety functions | No |
| Performance level according to EN ISO 13849-1 | Level a |
| Appendant operation agent (Ex ia) | No |
| Explosion safety category for gas | None |
| Explosion safety category for dust | None |
| Width | 31 mm |
| Height | 90 mm |
| Depth | 65 mm |
| Country of origin | Netherlands |
