The3503E, also identified as model 3503EN2 orEDI 5909, is a high-density digital input module designed for the Triconex safety system.It features 32 discrete input points organized into four isolated groups of eight.Engineered for flexibility in safety-instrumented systems, the3503Eaccepts both AC and DC signals, providing reliable status monitoring for critical field devices.
Technical Specifications
Input Points: 32 points, commoned in groups of 8
Nominal Voltage: 24 VAC/VDC
Recommended Operational Range: 20 to 42.5 VDC
Maximum Allowable Voltage: 42.5 VAC/VDC
Input Frequency Range: DC or 47 to 63 Hz (AC)
Identification: Dark Red Color Code
Module Weight: 4.0 Kg
Shipping/Dimensional Weight: 9.5 Kg - 10.5 Kg
Hardware Reference: Also known as EDI 5909 or 3503EN2
Common FAQ
Can the 3503E handle both AC and DC signals simultaneously?Yes, the module is designed to process both DC and AC (47-63 Hz) inputs, though it is recommended to keep voltages within the 20-42.5 range for optimal signal detection.
What does the "Dark Red" color code indicate?In the Triconex system, color coding is used for rapid visual maintenance. Dark Red specifically identifies high-density 24V digital input modules, preventing installation errors in the field.
