SIGMATEK DPB021

Product Name: SIGMATEK DPB021 — 16-Channel Digital Input Module (24 V DC, DIAS Compact Bus)

Product Introduction: The DPB021 is a digital input module from SIGMATEK’s DIAS (Distributed I/O Automation System) family, designed to acquire 16 discrete 24 V DC signals from field devices such as pushbuttons, limit switches, or sensors, and transmit them to the SIGMATEK PLC/automation controller via the internal DIAS bus backplane.

Category: Others

Description

Technical Specifications & Performance Parameters:

Number of Inputs: 16 digital inputs (sink/source configurable depending on wiring)
Input Voltage: 24 V DC (typical range 18.0 – 30.0 V DC)
Input Current: typ. 3 – 7 mA per channel at 24 V DC
Logic Level: “1” signal ≥ 15 V DC; “0” signal ≤ 5 V DC
Input Delay (Filter): Software-configurable debounce filter, typically 1 ms / 3 ms / 10 ms
Status Indication: One green LED per channel + module RUN/ERR LEDs
Bus Interface: DIAS compact bus (internal backplane communication)
Supply Voltage (Module Logic): Via DIAS bus (typically 5 V from base module); sensor supply optionally via separate terminal (24 V DC)
Power Dissipation: Approx. 1.5 – 2.5 W (depending on active inputs)
Isolation: Optical isolation between field side and logic side
Response Time: < 1 ms (without filter); typical bus cycle time depends on DIAS scan rate

Material & Structural Features:

Housing: Flame-retardant thermoplastic (UL 94 V-0), light gray RAL 7035
Mounting: Snaps onto SIGMATEK DIAS base module (DB… series) which mounts on 35 mm DIN rail (EN 60715)
Wiring: Spring-cage / screw terminals (depends on base module)
Dimensions (Module only): Approx. 12.5 mm (W) × 100 mm (H) × 75 mm (D) — typical for DIAS narrow modules
Weight: Approx. 50 – 70 g

Operating Conditions & Installation Requirements:

Operating Temp.: 0 °C to +60 °C (some sources -20 °C to +60 °C for extended range)
Storage Temp.: -40 °C to +85 °C
Humidity: 5 % – 95 % RH, non-condensing
Protection Class: IP20 (for cabinet installation only)
Certifications: CE, UL listed, RoHS compliant

Application Scenarios: Machine tools, packaging machines, conveyor systems, process skids — any application requiring decentralized acquisition of 24 V DC digital signals within a SIGMATEK DIAS control architecture.

Notes / Precautions:

Always verify the correct base module (DB-type) is used; the DPB021 itself has no separate 24 V sensor supply—this is provided by the base if so equipped.
Do not exceed 30 V DC on input terminals. Use proper fusing on the 24 V field supply.
Ensure shield/earth is connected properly in electrically noisy environments.

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