This article describes the Circutor meters compatible with DEXGate and DEXGate2. The article is divided into the following sections:
- Circutor CVM-1D
- Circutor CVM-Mini
- Circutor CVM144
- Circutor CVM96
- Circutor CVMk
- Circutor CVMk2
- Circutor EDMK
- Circutor LM24
- Circutor LM4a-2io-m
- Circutor LM4I/4O
- Circutor LM50-TCP+
- Circutor MK-30
- Circutor MK-60
- Circutor MKD
- Circutor NRG96
- Circutor ReadWatt
- Circutor CVM-B100 & CVM-B150
- Circutor CVM-BC
- Circutor CVM-BD
- Circutor CVM-C10
- Circutor CVM-NET
- Circutor CVM-NET4
Manufacturer's website: http://circutor.com/en
Circutor CVM-1D

Manufacturer: Circutor
Product and variants: CVM-1D
Description: Energy meter with modbus RS485
Measures: Electrical parameters
Compatible using: DEXGate2
(check file attached: CVM-1D_EN_manual)
Circutor CVM-Mini
Manufacturer: Circutor
Product and variants: CVM-Mini, CVM-Mini-HAR
Description: Circutor CVM-Mini is a DIN-rail three-phase power analyzer
Measures: Electrical parameters
Compatible using: DEXGate, Schneider EGX300, Circutor EDS, Circutor Power Studio, Satel Owasys
Circutor CVM-Mini - Quick Start Guide
To follow this guide you will need:
- 1 x DEXGate1
- 1 x CVM-Mini
- 1 x USB-RS485 adapter
- 1 x Computer
- 1 x Ethernet Cable
Installation:
- Install the current transformers following the following diagram:
- Connect the orange USB cable to the A connector, the yellow cable to the B connector and the black cable to the S connector. The following schema is for DEXGate1 ONLY:
- Power up the meter.
- Access the setup menu and configure the Modbus address.
Set up menu: RESET button, then SETUP (long press)
Set up params:
-set Cdef: use default configuration (ModBus address=1, rate=9600, parity=no, bits=8, stop bits=1)
-set nper: ModBus address
-set baud: rate
-set pari: parity
-set stop: stop bits - Configure the current transformers factor.
Set up menu: SETUP (long press) - Reset meter values.
Reset energy values: CLEAR ENERGY button (long press)
Reset max values: CLEAR MAX PD button (long press) - Power up the DEXGate1.
- Connect the USB-RS485 cable to the DEXGate1.
- Connect the Ethernet cable to your computer and the ETH1 port of the DEXGate1.
- Access the web administration interface of the DEXGate1 (http://172.16.0.1).
- Log in (the default username and password are admin/admin).
- Go to the "Bridge Configuration" section.
- Edit the line:
devices.circutor-cvm-mini=
to look like this:
devices.circutor-cvm-mini=1
where 1 is the ModBus address - Save.
- Restart the Modbus bridge or the DEXGate1.
- You're done!
(check file attached: Circutor CVM-mini)
Circutor CVM144
Manufacturer: Circutor
Product and variants: CVM144
Description: Power analyzer with modbus expansion card
Measures: Electrical parameters
Compatible using: DEXGate
Comments:
- You need an expansion card in order to communicate using Modbus
(check file attached: Circutor CVM144_Mn_01)
Circutor CVM96
Manufacturer: Circutor
Product and variants: CVM96
Description: Power analyzer with Modbus expansion card
Measures: Electrical parameters
Compatible using: DEXGate
Comments:
- You need an expansion card in order to communicate using Modbus
(check file attached: Circutor CVM96_Mn_03)
Circutor CVMk
Manufacturer: Circutor
Product and variants: CVMk
Description: Power analyzer with Modbus expansion card
Measures: Electrical parameters
Compatible using: DEXGate
Comments:
- You need an expansion card in order to communicate using Modbus
(check file attached: Circutor CVMk_Mn_01)
Circutor CVMk2
Manufacturer: Circutor
Product and variants: CVMk2
Description: Panel power analyzer
Measures: Electrical parameters
Compatible using: DEXGate
(check file attached: Circutor cvmk2)
Circutor EDMK
Manufacturer: Circutor
Product and variants: EDMK
Description: EDMK is a three-phase DIN-rail energy meter with Modbus communications
Measures: Reactive and active energy
Compatible using: DEXGate, Circutor EDS, Circutor Power Studio
(check file attached: Circutor EDMK)
Circutor LM24
Manufacturer: Circutor
Product and variants: LM24
Description: Pulse counter with 24 inputs and Modbus-RTU
Measures: 24 digital pulse inputs
Compatible using: DEXGate, Circutor Power Studio
(check file attached: Circutor LM24_Mn_M_01)
Circutor LM4a-2io-m
Manufacturer: Circutor
Product and variants: LM4a-2io-m
Description: Pulse accumulator with 4 analog inputs and 2 input/output
Measures: Analog and digital inputs
Compatible using: DEXGate, DEXGate2
(check file attached: Circutor LM4a-2io-m)
Circutor LM4I/4O
Manufacturer: Circutor
Product and variants: LM4I/4O
Description: Pulse accumulator with 4 inputs and 4 outputs
Measures: Pulses
Compatible using: DEXGate, Circutor EDS, Circutor Power Studio
Comments: The default address is 98 and the default speed is 19200.
(check file attached: Circutor lm4i4o_mn01)
Circutor LM4I/4O - Quick Install Guide on DEXGate 2
To follow this guide you will need:
- 1 x DEXGate2
- 1 x LM4I/4O
- 1 x Computer or Mobile Phone with Wifi
Installation:
- Install the pulse inputs and power supply following the following diagram:

- Connect the A (+) terminal of the LM4i-4o to the A(+) terminal in DEXGate2, the B (-) terminal of the LM4i-4o to the B(-) terminal in DEXGate2 and the GND terminal of the LM4i-4o to the S terminal in DEXGate2.
- Power up the DEXGate2.
- Access the web administration interface of the DEXGate2 by connecting to its wifi access point and then enter (http://172.16.0.1).
- Log in (the default username and password are admin/admin).
- Go to the "Modbus Configuration" section.
- Edit the line:
devices.circutor-lm-4i-4o=
Select an option (A or B) and complete the line:
- A. Same meter for all inputs
Example: You have a deployment with up to 4 gas meters (same parameter and scaling factor).
- Complete line as follows:
devices.circutor-lm-4i-4o=98[419(0.001)]
where "98" indicates ModBus LM4i4o address
"419" is Gas Volume ID parameter (available parameters)
"0.001" is scaling factor for pulse readingds (In the example, 1 pulse = 1L = 0.001m3)
- B. Different meters
Example: 1st pulse input is a gas meter (m3), 2nd is a water meter (m3), 3rd input is not being used and 4th is metering electricity.
- Complete line as follows:
devices.circutor-lm-4i-4o=98[419(0.001);901(0.001);0;402]
where: "98" indicates ModBus LM4i4o address
1st input = 419 (Gas Volume ID). 0.001 Scalling factor (1 pulse = 1L = 0.001m3) (available parameters)
2nd input = 901 (Water Volume ID). 0.001m3 Scalling factor (1 pulse = 1L = 0.001m3)
3rd input: 0: Disabled
4th input: 402 (Active Energy ID). 1 Scalling factor (1 pulse = 1kWh)
Then Save and Restart the Modbus bridge or the DEXGate2. You're done!
Circutor LM4I/4O - Quick Install Guide on DEXGate
To follow this guide you will need:
- 1 x DEXGate
- 1 x LM4I/4O
- 1 x USB-RS485 adapter
- 1 x Computer
- 1 x Ethernet Cable
Installation:
- Install the pulse inputs and power supply following the following diagram:
- Connect the orange USB cable to the A(+) connector, the yellow cable to the B(-) connector and the black cable to the GND connector.
- Power up the DEXGate.
- Connect the USB-RS485 cable to the DEXGate.
- Connect the Ethernet cable to your computer and the ETH1 port of the DEXGate.
- Access the web administration interface of the DEXGate (http://172.16.0.1).
- Log in (the default username and password are admin/admin).
- Go to the "Bridge Configuration" section.
- Edit the line:
devices.circutor-lm-4i-4o=
Select an option (A or B) and complete the line:
- A. Same meter for all inputs
Example: You have a deployment with up to 4 gas meters (same parameter and scaling factor).
- Complete line as follows:
devices.circutor-lm-4i-4o=98[419(0.001)]
where "98" indicates ModBus LM4i4o address
"419" is Gas Volume ID parameter (available parameters)
"0.001" is scaling factor for pulse readingds (In the example, 1 pulse = 1L = 0.001m3)
- B. Different meters
Example: 1st pulse input is a gas meter (m3), 2nd is a water meter (m3), 3rd input is not being used and 4th is metering electricity.
- Complete line as follows:
devices.circutor-lm-4i-4o=98[419(0.001);901(0.001);0;402]
where: "98" indicates ModBus LM4i4o address
1st input = 419 (Gas Volume ID). 0.001 Scalling factor (1 pulse = 1L = 0.001m3) (available parameters)
2nd input = 901 (Water Volume ID). 0.001m3 Scalling factor (1 pulse = 1L = 0.001m3)
3rd input: 0: Disabled
4th input: 402 (Active Energy ID). 1 Scalling factor (1 pulse = 1kWh)
Then Save and Restart the Modbus bridge or the DEXGate. You're done!
Circutor LM50-TCP+
Manufacturer: Circutor
Product and variants: LM50-TCP+
Description: Pulse counter with 50 inputs and Modbus-TCP protocol
Measures: 50 digital pulse inputs
Compatible using: DEXGate, Circutor Power Studio
(check file attached: Circutor LM50TCP_Mn_01)
Circutor MK-30
Manufacturer: Circutor
Product and variants: MK-30
Description: Single-phase electrical meter
Measures: Electrical parameters
Compatible using: DEXGate, Circutor Power Studio
(check file attached: Circutor MK-LCS-RS485_Mn_01)
Circutor MK-60
Manufacturer: Circutor
Product and variants: MK-60
Description: Single-phase electrical meter
Measures: Electrical parameters
Compatible using: DEXGate, Circutor Power Studio
(check file attached: Circutor MK-LCS-RS485_Mn_01)
Circutor MKD
Manufacturer: Circutor
Product and variants: MKD
Description: Three-phase electrical meter
Measures: Electrical parameters
Compatible using: DEXGate, Circutor Power Studio
(check file attached: Circutor_mkd)
Circutor NRG96
Manufacturer: Circutor
Product and variants: NRG96
Description: Panel three-phase power analyzer
Measures: Electrical parameters
Compatible using: DEXGate, Circutor Power Studio
(check file attached: Circutor_CVM-NRG96)
Circutor ReadWatt
Manufacturer: Circutor
Product and variants: ReadWatt
Description: Optical pulse counter. Converts Optical pulses to Modbus RTU or electrical pulses.
Measures: Pulses
Compatible using: DEXGate, Circutor EDS, Circutor Power Studio
Comments: Specially designed to read the measurements of your electric energy meter without changing the electric circuit. Needs external power supply.
Circutor ReadWatt - Optical impulses reading using Readwatt
There are many meters that have an optical pulse emitter, such as GAS meters or DLMS electrical meters. These optical pulse emitters are frequently used to check the correct operation of counters, but can also be used to obtain meter consumption information, with the advantage that it's not necessary to modify the installation.


In order to take advantage of this functionality, it is necessary to have an Optical Pulse probe, which is placed in front of the pulse emitting LED and captures the consumption information that the meter emits with the same precision as the counter itself.
#Note. This system should not be confused with a communication with the counter database using an optical probe, but only the optical pulse reading.
Necessary hardware:
- Optical pulse probe (CIRCUTOR Readwatt)
- DEXGate2 (compatible with Readwatt) or an electrical pulse counter.
Readwatt optical pulse probe:
The Readwatt converts optical pulses from the meter to Modbus RTU or to electrical impulses. This probe, therefore, supports both DEXGate2 (Modbus) and any equipment capable of reading electrical impulses.

The Readwatt has an RJ45 connector and is supplied with a cable that facilitates the connection of the RS485, power supply or the pulse output. The relationship between signals and colours is as follows:
1: GND | Brown |
2: Rx, RS-232 | Blue |
3: Tx, RS-232 | Yellow |
4: A(+), RS-485 | Green |
5: B(-), RS-485 | Grey |
6: GND | Orange |
7: Pulses output | Black |
8: Vcc, Auxiliary power supply | Red |

DEXGate2 connection:
Connect the cables corresponding to the RS485 of the Readwatt (Green and Grey cables) to the RS485 input of the DEXGate2, and the power cables of the Readwatt (Brown and Red cables) to the power supply.

Connection to an electrical pulse counter:
Connect the electrical pulse output of the Readwatt (Orange and Black cables) to the input of the electric pulse counter.

(check file attached: Circutor_ReadWatt_English)
Circutor CVM-B100 & CVM-B150
Manufacturer: Circutor
Product and variants: CVM-CB100, CVM-B150
Description: Power Analyzer for Panel with modbus RS485
Measures: Electrical parameters
Compatible using: DEXGate2
(check file attached: Circutor CVM-B100-B150_EN_FT & Circutor CVM-B100_CVM-B150_Manual_EN)
Circutor CVM-BC
Product and variants: CVM-BC
Description: Supply network analyser with modbus RS485
Measures: Electrical parameters
Compatible using: DEXGate2
(check file attached: Circutor CVM-BC_en)
Circutor CVM-BD
Product and versions: CVM-BD
Description: Network analyser with Modbus RS485
Measures: Electric parameters
Compatible with: DEXGate2
(check file attached: Circutor CVM-BD_manual_ES)
Circutor CVM-C10
Manufacturer: Circutor
Product and variants: CVM-C10
Description: Power Analyzer with modbus RS485
Measures: Electrical parameters
Compatible using: DEXGate2
(check file attached: Circutor CVM-C10_EN_manual)
Circutor CVM-NET
Manufacturer: Circutor
Product and variants: CVM-NET
Description: Circutor CVM-NET is a DIN-rail three-phase power analyser
Measures: Electrical parameters
Compatible using: DEXGate2
(check file attached: Circutor CVM-NET_manual_EN)
Circutor CVM-NET4
Manufacturer: Circutor
Product and variants: CVM-NET4
Description: Analyzer for 4 three-phase electrical networks, assembly on DIN rail - without display
Measures: Electrical parameters
Compatible using: DEXGate2
(check files attached: Circutor CVM-NET4_EN_FT & Circutor CVM-NET4_EN_manual)