Product Core Brief
- Model: SDV144-S63
- Brand: YOKOGAWA
- Series: ProSafe-RS
- Core Function: 16-channel 24V DC safety digital input module for ProSafe-RS safety instrumented systems
- Product Type: Safety Digital Input Module
- Key Specs: 16-channel isolated input | 24V DC | signal cable interface adapter | non-explosion-proof
- Condition: New Original / New Surplus
Key Technical Specifications
- Product Type: Safety Digital Input Module
- Compatible System: YOKOGAWA ProSafe-RS SIS
- Input Channels: 16 independent channels
- Input Voltage: 24V DC
- Isolation: Module isolation
- Suffix Code: -S63 — standard type, signal cable interface adapter, non-explosion-proof
- Connection: Signal cable interface adapter (KS/MIL cable compatible)
- Mounting Type: ProSafe-RS safety node I/O slot
- Hot-Swap Capable: Yes (follow site SIS maintenance procedures)
- Operating Temperature: -20°C to 70°C (typical for -Sx3 temperature option)
- Storage Temperature: -25°C to 70°C
- Humidity: 10% to 90% RH, non-condensing
- Origin: Japan
⚠️ Confirm the full suffix and any additional codes (e.g., /B4S00, /PRP, /CCC01) against the installed module nameplate before ordering.
Product Introduction
The SDV144-S63 is a 16-channel safety digital input module for the YOKOGAWA ProSafe-RS safety instrumented system. It receives 24V DC field contact signals and feeds them into the safety controller with module-level isolation. The “-S63” suffix indicates the standard, non-explosion-proof variant using a signal cable interface adapter.
This is a high-priority SIS spare. A failed safety input card can force a safety loop into a degraded state, and replacement lead time directly impacts plant availability during turnaround or emergency maintenance. This unit is supplied as new original or new surplus, depending on stock availability.
QA & Testing SOP
Each unit is inspected before dispatch:
- Visual & connector inspection: Check front panel, housing, KS/MIL connector, labeling, and signs of heat stress, corrosion, or pin damage.
- Model verification: Confirm YOKOGAWA branding and full part number SDV144-S63, including any additional suffix codes.
- Power-on test: Where a compatible ProSafe-RS test rack is available, verify module power-up and LED status indicators.
- Channel check: Verify input channel response under controlled 24V DC test conditions where equipment permits.
- Isolation check: Confirm module isolation integrity and absence of cross-channel leakage.
- Anti-static packaging: Packed in ESD-safe shielding bags with protective foam to prevent transit damage.
Installation Pitfalls & Guide
❗ Do not substitute with non-safety I/O modules. SDV144 is a ProSafe-RS safety module and is not interchangeable with standard CENTUM CS 3000 or CENTUM VP I/O cards.
❗ Match the suffix code exactly. SDV144 has multiple variants (-S53, -S63, -SE3, -SF3). The -S63 uses a signal cable interface adapter; substituting a different suffix may require different cabling or terminal blocks.
❗ Follow SIS maintenance procedures. Replacing a safety I/O module may affect safety loop status. Confirm loop state, bypass status, and system diagnostics before removal.
❗ Verify cable/terminal compatibility. The -S63 variant uses a signal cable interface adapter. Confirm the existing KS/MIL cable or terminal block matches before installation.
Replacement steps:
- Pre-install: Photograph the existing module, record slot position, full model code, and SIS loop status.
- Removal: Follow site SIS procedures, confirm the safety loop is in a safe state, and withdraw the module straight out.
- Install: Align the module with the slot, insert firmly but gently, and secure retaining screws or latches.
- Power-on test: Confirm LED status, channel diagnostics, and SIS system health after replacement.
Technical FAQ
Is pricing flexible for multiple units? Yes. Price depends on condition, quantity, and lead time. New original and new surplus units are quoted separately. Send your quantity and we can provide a project-level quote.
What warranty is included? Standard warranty is 12 months from shipment for functional defects. This covers pre-shipment or manufacturing failures, not damage from incorrect installation, wrong voltage, or environmental misuse.
Can SDV144-S63 be used in CENTUM CS 3000? No. SDV144 is a ProSafe-RS safety I/O module. Standard CS 3000 I/O uses different part numbers such as ADV/AAV/ADT series. They are not interchangeable.
What is the difference between -S53 and -S63? The -S53 variant uses clamp terminal blocks or MIL cable, while the -S63 uses a signal cable interface adapter. Both are standard, non-explosion-proof, 16-channel 24V DC input modules.
What information do you need to confirm compatibility? A photo of the existing module nameplate, slot position, safety node model, and any additional suffix codes (e.g., /B4S00, /PRP) are the most helpful.
