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Configured for high-performance process regulation, the Yokogawa YS1700 S2 (YS1700 Programmable Single-Loop Controller) provides direct physical/electrical execution of PID-based control strategies and complex sequence logic within industrial process environments.
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Configured for high-performance process regulation, the Yokogawa YS1700 S2 (YS1700 Programmable Single-Loop Controller) provides direct physical/electrical execution of PID-based control strategies and complex sequence logic within industrial process environments.
| Parameter | Specification |
|---|---|
| Model | YS1700 S2 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.2 kg |
| Dimensions | Standard 1/4 DIN panel mount |
| Operating Temp | -10 deg C to 50 deg C |
| Power Consumption | 24 VDC or 100-240 VAC options |
| Display | Full-dot color TFT LCD |
| Programming | Text (1000 steps) / Function Block (400 modules) |
| I/O Capacity | 8 AI, 4 AO, 10 DI, 10 DO (expandable) |
| Protection | IP54 |
The YS1700 S2 architecture integrates seamlessly into DCS instrumentation layers, supporting the 4-20 mA HART loop protocol for precision transmitter interfacing. To ensure process stability, the unit features channel-to-channel isolation on analog interfaces, preventing ground-loop interference from compromising control variable accuracy. When interfacing with thermocouple or resistance temperature detectors, the controller utilizes cold junction compensation (CJC) within the I/O processing stage, ensuring that temperature-dependent signals remain accurate across the full range of ambient operating conditions. The dual-CPU configuration provides redundant computational paths, supporting fail-safe state execution during internal processor interrupts or bus communication failures.
Q: Does the YS1700 S2 support hot-swapping during active operation?
A: No. The controller is designed for fixed panel mounting. Power must be isolated at the rear terminal block before withdrawing the module from the housing to prevent damage to the backplane communication pins.
Q: Is the YS1700 S2 compatible with existing YS100 series programming tools?
A: Yes, but specific software updates may be required to utilize the expanded function block library (400 modules) and the increased text-based programming steps (1000 steps) unique to the S2 revision.
