Description
Honeywell 620-0636
Technical Specifications
- Backplane Bus: IPC620 I/O Link proprietary bus
- External Port: Dual RJ45 Ethernet ports
- Communication Rate: 10 Mbps / 100 Mbps auto negotiation
- Protocol Support: IPC proprietary industrial communication protocol
- Isolation: 1500 VAC galvanic isolation between backplane and Ethernet circuit
- Power Supply: 5 VDC from rack backplane
- Operating Temperature: 0 °C to +60 °C
- Power Consumption: 4.5 W maximum
- Hot Swap Support: Yes
Functional Features Dual Ethernet port supports daisy-chain network topology. Real-time tag data upload and setpoint download service. Event log and alarm message forwarding to host SCADA system. Built-in network collision, cable break and remote device timeout diagnosis. Front panel LINK/ACT LED indicators for each Ethernet channel. All communication data frames carry CRC checksum for integrity verification. Network address configurable via IPC configuration software.
Application Scenarios IPC620 system connection to SCADA and HMI host stations Daisy-chain field control cabinet interconnection Remote alarm and process data upload for unmanned stations Spare communication card replacement for IPC620 network racks
Performance Parameters
- Communication latency: Less than 1 ms for single tag transmission
- Isolation withstand voltage: 1500 VAC for 60 seconds
- EMC immunity: Compliant with IEC 61000 industrial standard
- Max connected tags: 256 real-time tags per module
Material Composition Multilayer FR4 PCB, Ethernet PHY transceiver chip, protocol FPGA, high-speed optocoupler isolation array, TVS surge protection components, gold-plated RJ45 connectors, gold-plated backplane edge connector, UL94 V0 plastic front panel.
Structural Features Standard eurocard plug-in dimension compatible with IPC620 rack. Two RJ45 ports and corresponding LED indicators arranged on front panel. Internal isolation barrier separates backplane logic circuit and Ethernet network circuit. Anti-keying notch prevents mis-insertion into analog I/O slots. Differential Ethernet traces are impedance controlled at 100 ohm.
Working Principle The module receives read/write commands from upper network host through RJ45 port. FPGA chip converts network protocol frames into I/O Link bus frames and exchanges data with IPC620 CPU. Process data and alarm events from CPU are packaged into network frames and sent to remote host. Link monitoring circuit detects cable disconnection and remote device offline state, and uploads fault information to CPU.
Installation Requirements Use industrial shielded Ethernet cable for external network wiring. Single-point grounding for cable shield at cabinet side. Assign unique IP address in configuration software before commissioning. Separate network cables and high voltage power cables in cable tray. Test link communication and tag refresh rate after power on.
Usage Notes This module only supports Honeywell IPC dedicated communication protocol. Network storm will cause communication delay and tag refresh lag. Do not connect office IT network directly to this control network port. Damaged RJ45 metal shrapnel leads to intermittent communication dropout.
