Seneca – Z‑D‑IN – 5‑Channel Digital Input Module, DIN‑Rail, RS‑485 Modbus RTU

The Seneca Z‑D‑IN is a 5-channel digital input module for Modbus RTU communication via RS‑485, designed for industrial control systems. It offers self-powered opto-isolated inputs, counters, and configurable settings—suitable for remote data acquisition, automation, and SCADA/PLC integration.

Key Features:

• Model: Z‑D‑IN (Seneca)  

• Inputs: 5 digital channels (4 × 16-bit counters up to 100 Hz + 1 × 32-bit for 10 kHz)  

• Input Types: Reed, proximity, PNP, NPN, contact; opto-isolated 16 Vdc self-powered with 3 mA pull-up  

• Communication: RS‑485 Modbus RTU slave; up to 57 600 bps, DIP-configurable (38400 baud default)  

• Power Supply: 10–40 Vdc or 19–28 Vac, ~1.5 W consumption  

• Isolation: 1500 Vac – between inputs, power, and comms  

• Mounting & Size: DIN‑rail (17.5 × 100 × 112 mm), IP20 enclosure  

• Indicators & Controls: LEDs per channel + DIP-switches for addressing & baud rate setup  

• Environment: −10 °C to +65 °C operation, pollution degree 2 compliant