SR-508-00 Yokogawa

SR-508-00 Yokogawa Output Module

Product  Description：

Yokogawa Output Modules are high-reliability components designed for the CENTUM Distributed Control System (DCS) and Stardom network-based controllers. These modules receive digital instructions from the central processor and convert them into electrical signals to control field devices such as control valves, solenoids, actuators, pumps, and indicators. Engineered for continuous operation in mission-critical process industries, they ensure precise execution of automated commands.

Product Parameters

The technical characteristics of Yokogawa Output Modules focus on signal integrity, safety compliance, and load management:

• Output Signal Types: Available in Analog formats (such as 4-20mA DC, 1-5V DC) for modulating control, and Digital/Discrete formats (such as Relay contacts, Transistor outputs, Triac outputs) for on/off states.

• Channel Density: Offered in variations of 4, 8, 16, or 32 channels per module to match the required density of the control cabinet.

• Loop Power Supply: Standard analog models often feature integrated loop power distribution, outputting up to 24V DC to power external field instruments.

• Accuracy and Resolution: Analog versions utilize high-resolution digital-to-analog converters, typically 12-bit to 16-bit, maintaining a total reference accuracy within 0.1 percent of the full scale.

• Response Time: Fast output updates, with loop response times ranging from less than 1 millisecond for high-speed discrete cards to under 50 milliseconds for standard analog control loops.

• Isolation Voltage: Robust galvanic isolation, commonly rated at 1500V AC or higher, separating the internal system bus from external field-side wiring.

Product Advantages

Yokogawa Output Modules stand out due to their advanced diagnostics and fault-tolerant architecture:

• Dual-Redundant Availability: Supports paired configuration modes where two output modules operate in parallel. If the active module experiences a fault, the backup seamlessly takes control without disrupting the process signal.

• Comprehensive Loop Diagnostics: Features real-time readback monitoring, allowing the module to cross-check actual output current against the commanded value to instantly detect open circuits, short circuits, or field-side wiring faults.

• Advanced Output Hold Functions: In the rare event of a communication loss with the CPU, individual channels can be pre-configured to either freeze at their last known value, drop to zero, or switch to a predefined safe-state value.

• Harsh Environment Resilience: Available with premium G3 conformal coating options, protecting the internal circuitry from high humidity, conductive dust, and corrosive gases like hydrogen sulfide.

• Low Power Dissipation: Utilizing advanced thermal design principles, these modules minimize internal heat generation, enhancing the overall longevity of components inside enclosed control panels.

Product Applications

These modules act as the primary execution interface across heavily regulated process automation industries:

• Final Control Element Driving: Regulating the position of modulating control valves and motorized actuators in oil refineries and chemical processing plants.

• Motor Control Center Interfacing: Sending start, stop, and speed reference signals to variable speed drives, pumps, and fans in water treatment facilities.

• Batch Processing Coordination: Activating heating elements, solenoid valves, and agitators in pharmaceutical and food production facilities under strict recipe controls.

• Alarm and Annunciation Systems: Driving physical sirens, strobe lights, and control room annunciator panels during process upset conditions.

• Power Plant Utility Management: Regulating governor valves, dampers, and cooling tower switches within thermal and hydroelectric power generation stations.

Important Precautions

To ensure safe deployment and prevent equipment damage, the following operational instructions must be followed:

• External Load Compatibility: Always verify that the electrical specifications of the connected field device (voltage and current draw) do not exceed the module's maximum per-channel rating, as overloading can cause permanent damage.

• Proper Inductive Suppression: When connecting discrete output channels to inductive loads like mechanical relays or solenoids, external surge suppressors or flyback diodes must be installed to prevent inductive voltage spikes from damaging the module.

• Ground Loop Prevention: Ensure that analog output shields are grounded at a single point, typically the marshalling cabinet side, to avoid ground loops that can distort the control signal.

• Redundant Pairing Verification: When configuring a redundant module pair, verify that both modules share identical part numbers and firmware revisions to ensure the automatic switchover function works properly.

• Secure Maintenance Handling: Do not pull or insert modules into the base unit while high-voltage field wiring is energized. Ensure the module is fully unlatched before extraction to avoid mechanical stress on the backplane connectors.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

Please make an inquiry for more models：

Yokogawa VI702

Yokogawa EJX-530A

Yokogawa CP451-10

Yokogawa EC401-10

Yokogawa ALE111-S00

Yokogawa AFV10D

Yokogawa UT55A-040-11-00

Yokogawa ADV151

Yokogawa ANB10D

Yokogawa AAI143-S

Yokogawa AAI543-S

Yokogawa ADV551

Yokogawa SAI143-H63

Yokogawa PW301

Yokogawa AAI543-H00

Yokogawa EB401-10

Yokogawa UM-330-00

Yokogawa R/475-HP1EKLUGMT/S

Yokogawa UT55A-132-11-00

Yokogawa EC401-51

Yokogawa NFAI143H

Yokogawa NFDV151

Yokogawa NFPW444-10

Yokogawa NFAP135

Yokogawa NFSB100-S50

Yokogawa NFLR121

Yokogawa CP401

Yokogawa FLXA21-D-P-D-AB-C1-NN-A-N-LA-N-NN/UM

Yokogawa ADV151-P50

Yokogawa YTA610-JA1A2DK/X2/KU2

Yokogawa ADV151-P00

Yokogawa YTA110-EA4DN/KU2

Yokogawa VF701

Yokogawa SNT501

Yokogawa SDV541-S63

Yokogawa SDV144-S63

Yokogawa YS1700

Yokogawa EC401-50

Yokogawa RCCF31

Yokogawa SCP451-11

Yokogawa SCP461-51

Yokogawa SSC60D SCP461-51

Yokogawa 45TIT8055 YTA610

Yokogawa YTA320-FA2DB/KS15/S2

Yokogawa PW482-50

Yokogawa S9129FA

Yokogawa ADV551-P10

Yokogawa YHC5150X

Yokogawa YTA110-EA4DB

Yokogawa PW401-S2

Yokogawa SAI-143-H63

Yokogawa 436103

Yokogawa SAI143-H33

JUSTWELL PTE. LTD. sells new and discontinued products, and purchases such specialty products through independent channels. JUSTWELL PTE. LTD is not an authorized distributor, distributor, or representative of the featured products on this website. All product names/images, trademarks, brands, and logos used on this website are the property of their respective owners. Product descriptions, descriptions, or sales with these name images, trademarks, brands, and logos are for identification purposes only and do not imply any association or authorization with any rights holders.

This article is from the official website of JUSTWELL PTE. LTD. If reprinted, please attach this link: https://justwellltd.com .com

JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.