LCA*C Yokogawa CENTUM VP Datasheet & Technical Manual

Control Processing Module | Yokogawa LCA*C CENTUM VP

Control Processing Module | Yokogawa LCA*C CENTUM VP

Disponibilidad: 10 Quedan en stock

Yokogawa LCA*C Centum Control Processing Unit Configured for high-speed network integration in industrial automation environments, the Yokogawa LCA*C, also cataloged...

Código: LCA*C

Manufacturer: Yokogawa
Product No.: LCA*C
Product Type: CPU Processors
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa LCA*C Centum Control Processing Unit

Configured for high-speed network integration in industrial automation environments, the Yokogawa LCA*C, also cataloged as the LCA PLC/DCS Control Processing Unit, provides direct physical/electrical execution to run system logic and process algorithms. The hardware acts as a centralized computing module, interfacing directly with local backplane buses to route discrete and analog data streams without execution lag.

Hardware Specifications

Parameter	Specification
Model	LCA*C
Brand	Yokogawa
Origin	Japan
Weight	0.5 kg
Dimensions	100 mm x 100 mm x 50 mm
Operating Temp	-20 to 60 deg C
Power Consumption	0.6 W
Input Voltage	5 VDC nominal (backplane supplied) / 24 VDC nominal
Signal Processing	4 channels (analog and digital support)
Communication Protocols	Vnet/IP, Modbus RTU/TCP, ASCII, RS-485
Mounting Format	Rack-mounted or modular slot insertion
Diagnostic Indicators	LED array for communication, health, and faults

Process Control & Channel-to-Channel Isolation

The module executes real-time arithmetic calculations and schedules control loops across connected distributed control systems. To preserve frame timing and block transient spikes generated by field instruments, the processing architecture implements rigorous channel-to-channel isolation zones across its signal conditioning stages. The module hardware decodes incoming physical signals, using dedicated Modbus and Vnet/IP registers to translate variable tables smoothly. This continuous data validation pathway isolates the main microprocessor from common-mode noise, keeping systemic ground differentials from disrupting loop calculations during heavy operation.

Frequently Asked Questions

Q: What specific restrictions govern the online replacement or hot-swapping of this control processor?

A: Online replacement is strictly forbidden unless the controller operates within a configured redundant processor pair. Removing a single, non-redundant module cuts off the system backplane bus instantly, causing an absolute freeze of active control outputs and forcing connected sub-modules to enter their pre-configured safe states.

Q: How does the processor react if backplane logic voltage drops below the 5 VDC nominal rating?

A: The processor runs an internal brownout circuit that constantly tracks input power rails. If the internal logic voltage drops below operational thresholds, the hardware forces a master reset, safely stops all command outputs, and lights up the onboard fault diagnostics LED.

Field Installation Guidelines

Chassis Insertion Mechanics: Align the module side guides carefully with the rack-mount slot rails before applying physical force. Slide the hardware firmly into the backplane connector block, checking that the locking mechanisms fasten completely to prevent intermittent bus contact caused by vibration.
Enclosure Thermal Management: Leave at least 50 mm of clear space above and below the rack assembly to support natural air circulation. Keep ambient temperatures in the enclosure between -20 and 60 deg C to avoid thermal stress on the internal components.
Shield Grounding Continuity: Ground all serial and communication network cables at the entry bulkhead strip of the cabinet. Run separate signal ground lines away from high-voltage motor power lines to block high-frequency noise from crossing into the processing channels.

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