3503E TRICONEX Digital Input Module

3503E Product Introduction & Technical Specifications
Product Introduction
The 3503E is a precision industrial monitoring module developed by Bently Nevada, a leading brand in industrial automation and condition monitoring solutions. Engineered to meet the stringent demands of critical machinery surveillance in power generation, oil & gas, and manufacturing industries, this model integrates high-precision sensing technology with robust structural design. It delivers reliable, real-time data to support predictive maintenance and operational efficiency, ensuring stable performance even in harsh industrial environments with extreme temperatures, vibration, and electromagnetic interference. Its compact form factor and broad compatibility make it a versatile choice for retrofitting existing systems or integrating into new automation setups.

Technical Specifications
Brand: Bently Nevada
Model: 3503E
Specification: Industrial-grade condition monitoring module; compatible with Bently Nevada 3500 monitoring system; supports radial vibration, axial position, and temperature measurement; complies with API 670 industry standards
Weight: Net weight: 1.9 kg; Gross weight (with packaging): 3.1 kg
Dimensions: 254 mm (length) × 178 mm (width) × 89 mm (height); standard 19-inch rack-mount design (2U height)
Input:
Vibration input: 2-channel differential velocity sensor input (0-25 mm/s peak); 4-channel proximity probe input (3.33 V/mm output, compatible with Bently 330180 series probes)
Temperature input: 4-channel RTD (PT100) input, 2-wire/3-wire configurable
Power input: DC 24 V ±10%, 1.5 A typical current draw
Output:
Analog output: 4-channel 4-20 mA current output (isolated, load resistance up to 500 Ω)
Digital output: 8-channel relay output (normally open/normally closed configurable, 250 VAC/30 VDC maximum rating, 5 A switching current)
Communication output: RS485 (Modbus RTU protocol) and Ethernet (TCP/IP, PROFINET compatible

Physical Parameters:
Operating temperature: -40°C to +70°C
Storage temperature: -55°C to +85°C
Relative humidity: 5% – 95% (non-condensing)
Protection level: IP65 (front panel); IP20 (chassis)
Housing material: Cold-rolled steel with powder coating (corrosion-resistant)
Mounting type: 19-inch rack mount (2U) or panel mount
Vibration resistance: 10-2000 Hz, 2 g peak acceleration (X, Y, Z axes)
Shock resistance: 30 g peak acceleration, 11 ms duration (half-sine wave)
Electromagnetic compatibility (EMC): Complies with IEC 61000-6-2 (immunity) and IEC 61000-6-4 (emissions)