Product details
STBDDI3610K – Standard Digital Input Kit, 24 V DC, 6 Channels
Schneider Electric STBDDI3610K delivers a compact, rugged digital input solution for Modicon STB distributed I/O systems. This kit includes all necessary components for quick installation and reliable 24 V DC signal acquisition in industrial environments. Its plug-and-play design reduces downtime and simplifies maintenance.
Key Features at a Glance
- 6 digital inputs – 24 V DC, sink/source configurable
- Complete kit – module, base, screw & spring terminals included
- Hot-swappable – replace modules without powering down the system
- 1500 V isolation – protects logic bus from field transients
- Wide temperature range – -25…70 °C operation, no derating
- Global certifications – UL, CSA, FM Class 1 Div 2, CE
Technical Specifications
Input Characteristics
- Number of inputs: 6, type 1 per EN/IEC 61131-2
- Nominal voltage: 24 V DC (15…30 V for state 1; -3…5 V for state 0)
- Input current: 4.5 mA typical
- Guaranteed ON current: ≥ 2.5 mA
- Guaranteed OFF current: ≤ 0.5 mA
- Response time (OFF→ON): 1.21 ms
- Response time (ON→OFF): 1.74 ms
- Input filtering: 1 ms (fixed)
- Logic: positive or negative (sink/source selectable)
Protection & Isolation
- Overvoltage tolerance: 56 V for 1.3 ms (absolute max)
- Input protection: resistor-limited, reverse polarity protected
- Power distribution: fused via PDM (10 A time-lag)
- Isolation: 1500 V for 1 minute (channel to logic bus)
- Overvoltage category: II
Environmental & Mechanical
- Operating temperature: -25…70 °C (without derating)
- Storage temperature: -40…85 °C
- Relative humidity: 95 % at 60 °C (non-condensing)
- Vibration: 3 gn (58…150 Hz) on DIN rail
- Shock: 30 gn / 11 ms
- Pollution degree: 2 (IEC 60664-1)
- IP rating: IP20 (EN 61131-2 class 1)
- Altitude: ≤ 2000 m
Power & Consumption
- Logic bus supply: 5 V DC, 55 mA
- Field supply: via PDM (STBPDT3100/3105)
- Nominal field voltage: 24 V DC
Dimensions & Weight
- Width: 125 mm
- Height: 18.4 mm
- Depth: 65.1 mm
- Net weight: 0.112 kg
Kit Contents (Package List)
- STBDDI3610 – digital input module
- STBXTS2100 – 6-terminal spring clamp connector
- STBXTS1100 – 6-terminal screw type connector
- STBXBA1000 – I/O base
Compatibility & System Integration
- Compatible bases: STBXBA1000 (included)
- Power distribution: STBPDT3100 or STBPDT3105
- NIM compatibility: standard NIMs, hot-swap supported
- Cold swapping: permitted
- Bus interface: Modicon STB distributed I/O
Installation & Commissioning
- Mounting: snaps onto 35 mm DIN rail (7.5 or 15 mm)
- Wiring: spring or screw terminals – both provided
- Addressing: auto-configured by the bus master
- LED indicators: RDY (green), ERR (red), IN1…IN6 (green)
- Hot-swap: replace module while system runs – no shutdown
Expert Review – Engineer’s Insight
Reliable, field-proven I/O for harsh plants. The STBDDI3610K offers excellent noise immunity and fast response, ideal for high-speed counting and monitoring. Its dual connector options (screw/spring) simplify wiring in cabinets. The integrated reverse polarity and overvoltage protection reduce field failures. We recommend this kit for new installations and retrofits where space is limited.
Manager’s Insight – Operational Efficiency
Reduce downtime, cut spare parts cost. The complete kit eliminates separate ordering of base and terminals. Hot-swap capability means no production stop for module replacement. With wide temperature tolerance and global certifications, it fits global machine builder specifications. A smart choice for standardising your distributed I/O inventory.
Applications & Suitable Equipment
- PLC/DCS remote I/O panels
- Conveyor and material handling systems
- Packaging machinery
- HVAC and building automation
- Pump and valve monitoring
- General purpose 24 V DC sensor interfacing
Frequently Asked Questions (FAQ)
Q: What is the input voltage range for logic “1”?
A: 15…30 V DC. For logic “0” it is -3…5 V DC.
Q: Can I use this module with a 5 V sensor?
A: No, this module is designed for 24 V DC sensors only.
Q: Is the kit ready to use out of the box?
A: Yes. It includes the module, base, and both terminal types.
Q: How do I know if the module is working?
A: Check the green RDY LED. Each input has a green LED indicator.
Q: Can I replace the module while power is on?
A: Yes, hot-swapping is supported with standard NIMs.
Q: What is the response time for fast signals?
A: OFF→ON is 1.21 ms; ON→OFF is 1.74 ms – suitable for most industrial applications.
Q: Does it support both sink and source wiring?
A: Yes, the input logic is selectable as positive or negative.
Q: What happens if I accidentally reverse the supply?
A: Reverse polarity protection prevents damage to the module.
Q: How do I clean or maintain the module?
A: Use a dry cloth. Avoid solvents. Keep terminals tight.
Q: Is there a fuse inside the module?
A: The protection is on the PDM (power distribution module), not inside the input module.
Q: What tools do I need for installation?
A: A small screwdriver for terminal screws; no special tools required.
Q: Can I mount it horizontally or vertically?
A: Standard DIN rail mounting in any orientation is acceptable.
Q: Is there a software driver needed?
A: No, it is auto-detected by the Modicon STB bus master.
Q: What is the warranty period?
A: 12 months from date of purchase against manufacturing defects.
Selection Guide – Which STB Digital Input Kit?
- STBDDI3610K – 6 inputs, 24 V DC, kit (recommended for most users)
- If you need more channels, consider STBDDI3725 (12 inputs).
- For AC inputs, select STBDDI3410 or STBDDI3420.
- For high-speed counting, check STBDDI3610 alone (add your own base).
- This kit provides best value – includes all mounting and wiring accessories.
Ordering & Shipping Information
- Brand: Schneider Electric
- Model: STBDDI3610K
- Type: Standard digital input kit, 6 x 24 V DC
- Warranty: 12 months
- Dispatch: 12–24 hours after order
- Carriers: FedEx, UPS, DHL (express shipping available)
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