Configured for deterministic control execution and high-speed bus communication management in CENTUM VP Distributed Control System platforms, the Yokogawa CP401-10 S1 (CP401-10 Processor Module) provides direct physical/electrical execution.
| Suffix Code | Option Code | Description / Specification Detail |
|---|---|---|
| -10 | -- | Standard type CPU module for Field Control Unit (FCU) |
| Style S1 | -- | Standard reliability and environmental compliance revision level |
| Parameter | Specification |
|---|---|
| Model | CP401-10 S1 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.3 kg |
| Dimensions | 120 mm x 25 mm x 130 mm |
| Operating Temp | 0 deg C to +55 deg C |
| Power Consumption | 6.0 W (5 VDC at 1.2 A) |
| System Architecture | CENTUM VP DCS |
| Processor Type | 32-bit RISC Processor |
| Cycle Time Execution | Deterministic cycle time <= 100 ms |
| On-Board Memory | 32 MB Program Memory, 64 MB Data Memory |
| System Interfaces | ESB/ER Bus for I/O Modules, Vnet/IP for System Integration |
| Redundancy Support | Dual-Redundant CPU Pair Operation Supported |
| Electrical Isolation | 1500 VAC for 1 minute |
| Environmental Rating | ISA-71.04 Class G3 Harsh Environment Compliant |
The module incorporates robust channel-to-channel isolation topology alongside precision cold junction compensation (CJC) processing across associated analog subsystem interfaces. Signal conditioning circuits maintain galvanic isolation rated up to 1500 VAC for a full minute to protect the core 32-bit RISC processing core against ground loops, high-voltage transients, and field signal degradation. Furthermore, the firmware loop execution engine maintains continuous 4-20 mA HART loop protocol translation layer synchronization over the internal backplane bus without inducing cycle latency spikes above the 100 ms baseline threshold.
Q: How does the CP401-10 S1 maintain system state integrity during dual-redundant execution switchover?
A: Dual-redundant CPU operation relies on dedicated equalization links across the system rack backplane. The active CPU continuously updates the standby CPU memory register blocks at every execution scan cycle. Upon internal watchdog fault activation or memory parity detection errors on the primary module, control transfers to the secondary processor within a single deterministic control loop period without process signal interruption.
Q: Can the CP401-10 S1 module be inserted into an energized rack backplane (Hot-Swap)?
A: Yes, online replacement is supported provided the field control unit (FCU) node maintains an active secondary CPU module in dual-redundant mode. However, field technicians must verify that backplane latching pins are completely disengaged prior to module extraction to ensure clean break-before-make contact sequencing on the internal 5 VDC power rails.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.