---
lang: "en"
title: "8-channel voltage - current input module / RS485"
sku: "Z-8AI"
canonical_url: "https://shop.marcomweb.it/en/modbus/8-channel-voltage-current-input-module-rs485"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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Z-8AI: 8-channel voltage - current input module / RS485

Z-8AI is an input module with ModBUS RTU interface for 8 analog voltage or current signals in the ranges ± 2.5 Vdc, ± 10 Vdc and ± 20 mA with 16-bit resolution.

The module's auxiliary power supply can power all 8 current loops simultaneously.

Current input with internal shunt is selectable via dip-switch.

The isolation of the inputs from the remaining low-voltage circuits is 1,500 Vac.

## Technical Features

- POWER SUPPLY: 10..40 Vdc, 19..28 Vac
- AUXILIARY POWER SUPPLY: Up to 8 current loops simultaneously
- ISOLATION: 1,500 Vac between inputs and low-voltage circuits
- INPUT: 8 voltage or current channels
- MEASUREMENT RANGES: ±2.5 Vdc, ±5 Vdc, ±10 Vdc, ± 20 mA
- RESOLUTION: 16 bit
- COMMUNICATION: 2-wire RS485, ModBUS RTU slave protocol, max 64 nodes
- CONFIGURATION: DIP switch, software

---

Source: https://shop.marcomweb.it/en/modbus/8-channel-voltage-current-input-module-rs485

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.