TheCP461-53is a high-density processor module engineered for Yokogawa’s CENTUM VP Field Control Stations (FCS), specifically supporting AFV30, AFV40, A2FV50, and A2FV70 units. This module serves as the primary controller executing critical plant logic, regulatory control, and high-speed data acquisition.
Technical Specifications
Application: Main CPU for Field Control Units (AFV30□, AFV40□, A2FV50□, A2FV70□)
Control Network: Dual-redundant Vnet/IP interface support
Environmental Protection:-53Suffix (Standard type with ISA Standard G3 conformal coating)
Redundancy: 2 modules required for dual-redundant hardware voting
Software Requirements: Requires Control Function for Field Control Station R6.05 or later
Memory Protection: Integrated battery-backed memory and ECC (Error Correcting Code)
I/O Capacity: Supports up to 8 FIO node units per Field Control Unit (FCU)
Physical Dimensions: 199.5 mm x 145 mm x 16.4 mm
Weight: 0.7 Kg (Net) / 2.0 Kg (Shipping)
Bus Interface: Compatible with EC401 ESB Bus Coupler (Style S3 or later)
Common FAQ
What does the "-53" suffix specifically indicate?
In Yokogawa’s nomenclature, the "5" indicates a standard type without explosion protection, and the "3" (or associated G3 options) denotes the inclusion of ISA Standard G3 conformal coating, which protects the electronics from corrosive gases like$H_2S$.
Can I mix a CP461-53 with a CP471 module in the same redundant pair?
No. A redundant pair must consist of two identical modules (e.g., twoCP461-53units). However, a full pair of CP461 modules can be replaced online with a pair of CP471 modules if the system meets the minimum software and bus coupler style requirements.
