Description

Technical Parameters

Product Introduction

GE IS420UCSCS2A dual-core controller runs the Mark VIeS Safety control applications used for functional safety loops to achieve SIL 2 and 3 capabilities. Mark VIeS Safety equipment is used by operators who are knowledgeable in safety-instrumented system (SIS) applications to reduce risk in critical safety functions. Safety controllers and distributed I/O modules are specifically programmed for safety control use, and this specific control hardware and software are compliant with the IEC 61508 certification. The Mark VIeS Safety controller runs on QNX Neutrino, a real-time, multi-tasking operating system (OS).

Technical Specifications

Manufacture	General Electric(GE)
Model	IS420UCSCS2A
Description	Mark VIeS UCSCS2A Controller
Origin	USA
Dimension	30208cm
Weight	1.5kg

Product Details

The IS420UCSCS2A controller adopts an industrial-grade dual-core processing architecture. Compared with traditional single-core controllers, the dual-core structure not only enhances the computing efficiency but also separates the safety logic from the conventional control logic through a task allocation mechanism, thereby avoiding the delay problems caused by resource conflicts. In safety control systems, even milliseconds of delay can lead to serious consequences. Therefore, the improvement in processing capacity of the IS420UCSCS2A has very significant engineering significance.

In terms of security mechanisms, this controller complies with international functional safety standards and supports SIL2 and SIL3 level applications. This means it can be applied in industrial scenarios with extremely high safety requirements, such as gas turbine protection systems, emergency shutdown systems, and interlock control systems in petrochemical processes. In these systems, once an anomaly occurs, the controller must make a judgment and execute protective actions within a very short period of time. The IS420UCSCS2A is specifically designed for such applications.

Mark VIeS IS420UCSCS2A Controller is available beginning with ControlST V07.02, and supports Simplex, Dual, and TMR redundancy.

IS420UCSCS2A Mounting and Installation Requirements

The following are requirements for mounting the UCSC controller:

• Directly mount the UCSC to the mounting base using the two mounting screws.

• Vertical mount with unobstructed air flow through fins.

• Leave a minimal 100 mm (3.94 in) air gap above and below the UCSC.

• Parallel mounting UCSC to UCSC requires a minimal 50 mm (1.97 in) spacing to achieve the full temperature rating.

Power Requirements

Min	Min	Nom	Max	Units
UCSC Controller Input Power	-	18	30.8	Watts
Voltage	18	24/28	30	V dc
Input Capacitance	-	25	-	uF
Surge Protection	Non-replaceable 4 A 125 V dc rated fuse Nominal melting: 26 A squared seconds (A2 sec)
Reverse Polarity Protection	Provided Reversing the + and - inputs will not damage the UCSC, nor will it power up.

3-pin Power Plug
Item	Description
Pin 1	Ground
Pin 2	Negative The UCSC case is bonded to the power supply negative.
Pin 3	Positive
Wire Sizes	28 to 16 AWG
Screw Torque	0.23 Nm (2 in-Ib)
Part Number	Phoenix Contact MC 1,5/ 3-STF-3,81 - 1827716

FAQ

Q: Is IS420UCSCS2A a PLC or a DCS controller?

A: The core controller of the DCS/safety control system.

Q: In which systems is this controller mainly applied?

A: Mark VIeS Safety Control System
Gas/steam turbine control.

Q: What is TMR redundancy?

A: Three controllers operate simultaneously, enhancing the system's security.

Q: Why choose IS420UCSCS2A?

A: ✔ SIL3 safety certification
✔ Dual-core high-performance processing capability
✔ Supports TMR redundancy
✔ Multi-protocol communication
✔ Industrial-grade design

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IS420UCSCS2A | GE Mark VIeS UCSCS2A Controller

Product Introduction

Technical Specifications

Product Details

FAQ

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