Electronic Control Box
4
1.1 Versions
•
M7000CB
- Standard version
•
M7000CB/EVO
- Evoluted v interface RS-485
1.2 Description
•
Electronic Control Box - microprocessor
•
Two inputs of three-phase voltage measurement
•
Power supply DC 12-24-48 VDC
•
Power supply AC 220-240 VAC
•
2 LED displays, 3 digits 7 segments
•
20 status and measurement LED indicators
•
8-key membrane keypad
•
RS-232 serial interface for set-up, remote control and supervision
•
RS-485 opto-isolated interface (M7000CB/EVO)
•
2 programmable digital inputs
•
3 programmable relay outputs (1NO + 2 C/O)
1.3 Applications
•
Changeover between utility-to-utility, utility-to-generator
•
Control of motorized circuit breakers, motorized switches
•
Start/stop generator
•
Three-phase, two-phase or single-phase voltage controls
•
L-L voltage (or L-N voltage in case of monophase lines)
•
Controls on minimum voltage, maximum voltage, phase loss, asymmetry, minimum
frequency, maximum frequency, with independent enabling and delay
•
Voltage thresholds with programmable hysteresis
1.4 Installation
•
Install the electronic control box according to the wiring diagrams shown in the last pages
of the manual
•
Use the right wiring diagram for the application
•
Set the parameters according to the required wiring diagram, paying special attention
when programming the inputs / outputs
1. General features
1.5 Supply
•
M7000CB and M7000CB/EVO have a double power supply circuit, that means that they
can operate with both AC and DC supply or with only one of the two indifferently
•
In presence of both power supplies, the energy is taken from the AC source
Summary of Contents for M7000CB
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