CHESTER-X7

This article describes the CHESTER-X7 extension module.

Module Overview

The CHESTER-X7 provides one differential input for current probes or other industrial sensors and one single ended voltage input up to 28 V. The module implements also 5V boost converter allows powering the current probes.

CHESTER Pin Configuration Diagram

Pin Configuration and Functions

Position	Signal Name	Signal Description
1	+V	System positive rail (*)
2	GND	System ground signal
3	VDD	System VDD rail 3.0 V
4	VIN	Voltage input (0 - 28V)
5	GND	System ground signal
6	INP	Positive differential input
7	INM	Negative differential input
8	VOUT	5.0 V power supply output

*Note: The system positive rail voltage depends on CHESTER power supply option.

Schematic diagram

A schematic diagram is useful if you program low-level hardware-related code or if you're just curious about how the system is designed.

• Schematic (PDF)
• Interactive PCB connector, part, testpoint and signal browser

Module Drawing