YS1700-101/A34 Yokogawa Programmable Controller

Programmable Indicating Controller | Yokogawa YS1700-101/A34

Programmable Indicating Controller | Yokogawa YS1700-101/A34

Availability: 99 left in stock

Yokogawa YS1700-101/A34 YS1700 Series Programmable Indicating Controller The Yokogawa YS1700-101/A34, also cataloged as the Yokogawa YS1700 Programmable Indicating Controller, operates...

SKU: YS1700-101/A34

Manufacturer: Yokogawa
Product No.: YS1700-101/A34
Product Type: Programmable Indicating Controllers
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 2500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa YS1700-101/A34 YS1700 Series Programmable Indicating Controller

The Yokogawa YS1700-101/A34, also cataloged as the Yokogawa YS1700 Programmable Indicating Controller, operates as a dedicated hardware component for user-defined control logic execution and real-time process variable indication within Yokogawa OpreX Control Devices family platforms. The unit processes physical signal inputs and drives execution loops through dedicated computing modules without relying on an external operating system.

Suffix Breakdown & Model Matrix

YS1700: Base platform identification for the programmable indicating controller family.
Type Designation (-1): Denotes the core performance block and integration category.
Power Supply Option (0): Identifies the hardware electrical input rating configuration.
Communication Option (1): Specifies integrated communication board layout.
Option Suffix (/A34): Identifies factory installation of the Ethernet communication module supporting Modbus/TCP interfaces.

Hardware Specifications

Parameter	Specification
Model	YS1700-101/A34
Brand	Yokogawa
Origin	Japan
Weight	2.5 kg
Power Supply	100 V AC or 24 VDC operation
Display	Full-dot TFT color LCD
Programming Method	Text-based (1000 steps) or function block (400 modules)
Calculation Precision	IEEE754 4-byte floating-point operation
Analog Inputs	8 channels
Analog Outputs	4 channels
Digital I/O	14 channels (configurable inputs/outputs)
Memory Backup	Nonvolatile memory execution (no battery required)
Front Panel Protection	IP54 dustproof and drip-proof rating
Operating Temp	0 to 50 deg C
Safety Certifications	CE Mark, FM nonincendive, CSA approvals

Process Control Integration & Signal Isolation

The instrument interfaces with plant instrumentation networks using 4-20 mA HART loop protocol architectures to maintain transmission integrity. Internal hardware circuitry establishes channel-to-channel isolation across all analog input and output paths, suppressing ground loop currents and common-mode electrical noise. For temperature instrumentation inputs, the internal terminal block utilizes integrated cold junction compensation (CJC) algorithms to ensure precision voltage-to-temperature linearization.

Frequently Asked Questions

Q: How does the controller respond to a primary central processing unit failure?

A: The hardware incorporates a dual-CPU layout that isolates the control processor from the display processor. If a primary control CPU failure occurs, an independent manual override circuit activates automatically, enabling continuous manual adjustment of the analog control outputs.

Q: What are the maintenance requirements for the system memory backup?

A: The device utilizes nonvolatile memory technology to retain control programs, tuning parameters, and configuration data. The storage mechanism functions indefinitely during complete power loss without requiring battery replacement procedures.

Q: Which communication protocols are active on the /A34 module interface?

A: The /A34 interface board executes deterministic Modbus/TCP communications over standard Ethernet Physical Layers, allowing concurrent data exchange with supervisory SCADA nodes and industrial PLCs.

Field Installation Guidelines

Mechanical Insertion: Mount the hardware into standard panel cutouts. Tighten the rear installation brackets evenly to compress the front gasket, ensuring an IP54 seal against dust and moisture ingress.
Wiring Separation: Route high-voltage AC power supply lines in separate conduits away from low-voltage 4-20 mA analog and digital I/O cables. Maintain a minimum spatial clearance of 100 mm to mitigate electromagnetic cross-talk.
Signal Shielding: Encase all low-level signal lines in twisted-pair shielded cabling. Terminate the cable shields at a single functional earth point within the control enclosure to prevent noise propagation.

What's clients say about us

Excellent Emergency Support!

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.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

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.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

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.