Product Core Brief
- Model: YS1700-030
- Brand: YOKOGAWA
- Series: YS1000 Series
- Core Function: Executes dual-loop PID control with legacy YS80 internal unit compatibility.
- Product Type: Programmable Indicating Controller
- Key Specs: YS80 Internal Compatibility | Dual CPU Architecture | 400 Function Blocks
- Condition: New Original / New Surplus
Product Introduction
YOKOGAWA YS1700-030 programmable indicating controllers deliver high-reliability single-loop control for legacy system upgrades. This industrial automation unit features dual CPUs and a hard manual backup for fail-safe operation.
The YOKOGAWA YS1700-030 supports up to 400 function blocks with a blazing 0.05-second control cycle. It uses non-volatile memory, eliminating the need for battery replacements and extending the replacement module’s operational lifespan significantly.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Control Cycle | 0.05s, 0.1s, 0.2s |
| Program Capacity | 400 Blocks / 1000 Steps |
| CPU Architecture | Dual CPU with Fail-Safe |
| Display Type | Full-Dot Color LCD |
| Legacy Compatibility | YS80 Internal Unit Compatible |
| I/O Expansion | Up to 8 AI, 4 AO, 14 DI/DO |
| Panel Protection | IP54 Dust and Drip Proof |
| Power Supply | AC 100V / DC 24V (or 220V AC) |
| Internal Resolution | 1/65536 for PID Operations |
| Safety Certifications | CE, FM Nonincendive (Optional) |
Quality Control Process
Every YOKOGAWA YS1700-030 undergoes a strict hardware validation process before shipping. We first verify the dual CPU architecture by simulating a primary processor fault to confirm the display and manual control functions fail over correctly. Next, technicians inject 4-20mA signals into the analog inputs using precision calibrators to verify the 1/10000 internal data resolution.
We also test the communication ports under load to ensure zero packet drops. The hard manual backup circuit is physically actuated to confirm independent output adjustment. Finally, the unit is sealed in anti-static packaging to protect the sensitive logic boards during transit.
Replacement Pitfall Guide
❗ Verify the exact suffix code before ordering. The YOKOGAWA YS1700-030 has specific variants for input types and communication options. A mismatched suffix code will halt your installation.
❗ Mind the panel cutout dimensions. While designed for easy replacement, verify the 96x96mm DIN cutout. Forgetting to account for mounting brackets or gaskets can cause fitment issues during retrofits.
❗ Check expansion I/O terminal availability. If your legacy system uses extra inputs, ensure you order the base model with expansion I/O. You cannot add expansion interfaces after the unit is received.
❗ Configure power supply options upfront. The unit accepts AC/DC or 220V AC, but this must be specified at the time of order. Wiring 220V to a 24V DC terminal will instantly destroy the power supply board.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level (Direct/Needs Adaptation) | Migration Notes |
|---|---|---|---|
| YS170 | AWA | Direct | Backward compatible with existing YS170 user programs |
| YS100 | AWA | Direct | Same panel cutout; terminal spacing differs slightly |
| YS80 | AWA | Direct | -030 suffix specifically targets YS80 internal unit compatibility |
- PID Internal Resolution: 1/65536, providing significantly finer control than older 1/4096 models.
- Fail-Safe Response: Dual CPU automatic failover occurs instantly, maintaining manual control and display visibility.








