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  • CO-MS series | Digital controllers | Matsusada Precision
  • CO-MS series | Digital controllers | Matsusada Precision

Digital power supply controller

Digital Power Supply Controller for Master/Slave Control

CO-MS series is a control unit to perform master/slave control operation of all the power supplies with -LGob option produced by Matsusada. With the control unit, up to 32 power supply units are available for parallel or series operation.
Also, it is capable of tracking the total sum of the output voltage at series operation or the output current at parallel operation.
You can readily control the power supply using the switches and dial on the front panel.
Thanks to the optical communication system between the unit and the power supply, the unit is less affected by external noise or ground loop problems.
And, if necessary, you can select optional interfaces of LAN / USB / RS-232C / RS-485 / GPIB which enable the remote control.

Features and Benefits

  • Up to 32 power supply units are available for parallel or series operation
  • Strong optical communication to noises between the unit and the power supply
  • Clear LCD display
  • Simple operation in sophisticated design
  • Total output voltage or current can be read

Model

Model
CO-MS

Specifications

For details, download the datasheet below.

Note) Power supplies of the same model only can be connected. This product can not be used in a combination of series and parallel operations.

  • 1: Compatible with Ver.6.2.0 or later (when using RE and CO-HV)
  • 2: There is no such a function as divides the output value of power supplies evenly.
  • 3: When Master-slave control is working, the load variation of the output voltage of power supplies will be around 0.5% max.
  • 4: It is the total voltage of the power supplies connected.
  • 5: It is the total current of the power supplies connected.
  • 6: Only when used with power supply with OVP function.
  • 7: Only when used with power supply with OCP function.
  • 8: Status output for under voltage situation with output short circuit. Only when used with power supply with UV function.
  • 9: Staus output for under current situation when cable breakage. Only when used with power supply with UC function.

Options

-LA1
Analog remote control
  • External output ON/OFF: Output ON/OFF with external relay or TTL
  • Control of output voltage/Control of output current: External control voltage 0 to 10 Vdc/maximum output (The maximum response time from the external control voltage injected to output generated is 2 sec.) or external variable resistor 0 to 10 kΩ/maximum output
  • Output voltage monitor/Output current monitor (0 to 10 Vdc/maximum output)
  • Status output (Output, CV, CC, Trouble)
-LEt *
LAN interface board
-LGb *
GPIB interface board
-LGob *
Optical interface board
Isolation control with optical communication. (LAN/USB/RS-232C/RS-485/GPIB)
See our brochure of digital controller "CO series" for optical conversion of each interface.
-LPp
Operational error prevention for OUTPUT ON/OFF switch
As a preventive measure against operational errors, protrusions are provided near OUTPUT ON/OFF switch on the front panel.
-LUs1 *
USB interface board

How to Order

To order, add the above L mark to the model number.
Example: CO-MS-LA1Gb, CO-MS-LA1Et
* Either -LEt, -LGb, -LGob or -LUs1 can be selected.

Dimensions

For details, download the datasheet below.

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