Configured for high-speed network communication in Yokogawa DCS platforms, the YOKOGAWA VF701 S2 (VF701 Vnet/IP Interface Card) provides direct physical/electrical execution. The module enables full-duplex, real-time data transfer across control bus subnets to link engineering workstations and field controllers within CENTUM VP and ProSafe-RS control architectures.
| Parameter | Specification |
|---|---|
| Model | VF701 S2 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 0.18 kg |
| Dimensions | 180.97 mm x 21.59 mm x 126.31 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard backplane power from host station |
| Network Interface | Vnet/IP dual-redundant bus network |
| Compatible Host Systems | CENTUM VP / ProSafe-RS |
| CPU Minimum Requirements | Intel Core2 Duo (2.13 GHz) or Xeon Dual-Core (2.0 GHz) |
| Memory Minimum Requirements | 6 GB RAM |
The YOKOGAWA VF701 S2 executes low-latency packet transmission over redundant Vnet/IP Ethernet subnets to maintain real-time synchronization between human-machine interfaces and controller units. Channel-to-channel isolation on associated field I/O interfaces prevents ground potential differentials from interfering with 4-20 mA HART loop protocol communications. Internal signal processing circuits mitigate electromagnetic interference and voltage transients, preserving data frame integrity across high-density network loops. Cold junction compensation (CJC) references on connected analog input blocks remain stable as the interface card maintains consistent heat dissipation profiles across host PCI slots.
Q: What network topology does the VF701 S2 interface card support?
A: The module supports dual-redundant Vnet/IP network configurations using standard RJ45 copper connections or optical transceivers on independent subnets.
Q: Are specific host PC system specifications required for card installation?
A: Yes, the host station requires a minimum processing platform consisting of an Intel Core2 Duo (2.13 GHz) or Xeon Dual-Core (2.0 GHz) CPU and at least 6 GB of system RAM.
Insert the interface card into a designated PCI bus slot on the host station chassis after verifying that all system power feeds are turned off. Secure the mounting bracket retaining screw to ensure chassis grounding and mechanical retention against industrial vibration. Connect dual-redundant Ethernet patch cables to the primary and secondary Vnet/IP ports, maintaining a minimum bend radius of 50 mm along cable trunks. Verify that field wiring and network cables maintain physical separation from high-voltage power lines inside cabinet conduits to suppress electromagnetic noise coupling.
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