Configured for Control, Monitoring, and Diagnostics over Ethernet networks, the Allen-Bradley 22-COMM-E, also cataloged as the 22-COMM-E EtherNet/IP Communication Adapter, provides direct physical/electrical execution for bridging RS485 data paths to EtherNet/IP communication channels.
| Parameter | Specification |
|---|---|
| Model | 22-COMM-E |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.11 lbs (0.25 kg) |
| Dimensions | 90 x 45 x 80 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 24 VDC, approx. 2 W typical |
| Supported Protocols | EtherNet/IP, Modbus TCP (via bridging) |
| Network Interface | 1 x RJ45 (Ethernet) |
| Data Rate | 10/100 Mbps, Full/Half Duplex, auto-negotiation |
| IP Addressing | BOOTP/DHCP or manual configuration |
| Connection Type | RS485 to EtherNet/IP |
| Operation Type | Single or Multi-Drive modes |
| Drive Nodes | Single Node architecture |
| Compatible Drives | PowerFlex 4, 40, 40M, 40P, 400 |
| Isolation Voltage | 1500 V RMS |
| Mounting Style | Internal Mount |
| Indicators | LED status indicators (Power, Link, Activity, Fault) |
The 22-COMM-E utilizes dedicated internal bus interfaces to synchronize data transmission with PowerFlex 4-Class internal hardware architectures. The module depends on precise firmware flash compatibility across both the hosting drive processor and the central industrial controller to handle explicit and implicit messaging structures. This interface achieves fast data processing metrics across Profinet / EtherNet/IP deterministic networks, sustaining low communication latencies and reliable I/O density scaling during multi-drive network mapping configurations.
Q: How is the physical internal configuration modified when switching from Single to Multi-Drive mode?
A: The configuration mode must be assigned through internal drive parameters via the Human Interface Module (HIM) or software utilities before commissioning. Multi-Drive mode allows one 22-COMM-E adapter to interface with multiple adjacent drives using internal RS485 sequencing protocols, operating under a single IP address node allocation.
Q: What are the restrictions regarding the 1500 V RMS isolation voltage limit?
A: The 1500 V RMS threshold defines the continuous galvanic and transient isolation barrier between the RJ45 network interface and the internal drive circuitry. Exceeding this electrical limit can rupture the internal logic components, causing localized communication loop failures and diagnostic fault errors.
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