User Manual

SCQ25
4
EN
1 Introduction
SCQ25 digital shunt module is Simarine’s most versatile module. It can be used to measure voltage, current.
SCQ25 has 4x 25 A integrated shunts capable of measuring voltage up to 35 V DC and continuous current up to 25 A on each
shunt.
2 Safety
Installation of Simarine electronics should be made by electrical specialists with proper safety equipment. When working with
batteries you should wear protective clothing and eye protection.
CAUTION: Batteries contain acid, a corrosive, colorless liquid that will burn your eyes, skin and clothing. Should the acid
come in contact with eyes, skin or clothing, wash it immediately with soap under fresh water for at least 15 minutes, and seek
medical support immediately.
CAUTION: Do NOT connect anything to a damaged battery. It could heat up, catch fire or explode.
CAUTION: Lead-acid Batteries can generate explosive gases during operation. Never smoke, allow flames or sparks near the
battery. Make sure to keep sufficient ventilation around the battery.
CAUTION: When working with a battery remove all personal metal items like watches, rings, necklaces and bracelets. Metal
items in contact with the battery terminals might cause a short circuit with a very high electric current, which may heat up and
melt nearby objects and cause severe burns.
3 Overview
Picture 1 SCQ25
A – 4x shunt input
B – 4x shunt output
C – 2x SiCOM port
4 Installation
4.1 Mounting
CAUTION: install the shunt module in a clean dry place, protected from accidental spilling of liquids.
- You can fix the shunt module with the supplied screws using four holes on both sides of the module.
- Connect all cables (see section 4.3 Connecting).
4.2 Cables
4.2.1 SiCOM data cable
For the SiCOM connection use the supplied cable. If not possible, use the following table to determinate the right cable type.
Cable length
Cable type
< 5m
No limitations
>= 5m
2x2x0.25 mm2 Twisted pair (recommended)