socomec COUNTIS E23 User manual

COUNTIS E23/E24
Three-phase active energy meter
63A direct MODBUS
Operating instructions EN

2COUNTIS E23/E24 - Ref.: 542 103 A
Contents
1. DOCUMENTATION ...................................................................3
2. DANGER AND WARNING............................................................3
2.1. RISK OF ELECTROCUTION, BURNS OR EXPLOSION ..................................3
2.2. RISK OF DAMAGING DEVICE ........................................................3
3. PRELIMINARY OPERATIONS........................................................3
4. OVERVIEW ...........................................................................4
4.1. MAIN FUNCTIONS ..................................................................4
4.2. DISPLAY VIEWS ....................................................................4
5. INSTALLATION .......................................................................5
5.1. RECOMMENDATIONS...............................................................5
5.2. DIMENSIONS (MM) .................................................................5
5.3. TERMINALS ........................................................................5
5.4. CONNECTIONS.....................................................................6
5.4.1. 4-WIRE CONNECTION - 4-WIRE LOAD MONITORING .............................6
5.4.2. 4-WIRE CONNECTION - 3-WIRE LOAD MONITORING .............................6
5.5. SEALABLE COVERS ................................................................6
6. MODBUS COMMUNICATION........................................................7
6.1. GENERAL INFORMATION ...........................................................7
6.2. RECOMMENDATIONS...............................................................7
6.3. COMMUNICATION STRUCTURE .....................................................7
6.4. COMMUNICATION TABLE ...........................................................7
7. PROGRAMMING .....................................................................8
7.1. NAVIGATION PRINCIPLE ............................................................8
7.2. PROGRAMMING MENU OVERVIEW ..................................................8
7.3. DETAILED VIEW OF MODBUS PROGRAMMING MENU.................................9
8. OPERATION ..........................................................................10
8.1. DETAILED VIEW OF MENUS .........................................................11
8.2. DETAILED VIEW OF "PARTIAL ENERGIES" ............................................12
8.3. DETAILED VIEW OF "PARTIAL ENERGIES" RESET .....................................12
9. DIAGNOSTIC MESSAGES ...........................................................13
9.1. MISSING PHASES ..................................................................13
9.2. PHASE INVERSION .................................................................13
9.3. MALFUNCTION.....................................................................13
10. ASSISTANCE........................................................................13
11. ELECTRICAL AND TECHNICAL CHARACTERISTICS.............................14
12. MID COMPLIANCE .................................................................15

3
COUNTIS E23/E24 - Ref.: 542 102 A
COUNTIS E23/E24 MODBUS
1. Documentation
All the documentation for COUNTIS E23/E24 equipment is available
online at:
www.socomec.com/en/countis-e2x
2. Danger and warning
This equipment must only be installed by professionals.
The manufacturer shall not be held responsible for failure to comply with the instructions in this manual.
2.1. Risk of electrocution, burns or explosion
• Thedevicemustbeinstalledandservicedonlybyqualiedpersonnel.
• Alwaysuseanappropriatevoltagedetectiondevicetoconrmtheabsenceofvoltage.
• Replace all devices, doors, and covers before turning on power to this equipment.
• Always supply the device with the correct rated voltage.
Failure to take these precautions could cause serious injuries.
2.2. Risk of damaging device
Check the following:
• the mains frequency (50 Hz).
• the maximum voltage at the voltage input terminals is 276 VAC phase/neutral.
• a maximum current of 63 A.
3. Preliminary operations
For personnel and product safety, please carefully read the contents of these operating instructions before installation.
Check the following points as soon as you receive package containing the COUNTIS E23/E24:
• the packaging is in good condition,
• the product has not been damaged during transportation,
• the product reference number conforms to your order,
• the packaging contains the product, two sealable covers, two plastic seals and a Quick Start guide.

4COUNTIS E23/E24 - Ref.: 542 103 A
4. Overview
COUNTIS E23 and E24 are active modular electrical energy meters for monitoring kWh. They are designed for three-
phase networks and enable direct connection up to 63A. They are equipped with a MODBUS communication bus.
4.1. Main functions
• Measurement and display of total and partial active energy (Ea+/Ea-)
• Management of two tariffs: T1/T2
• Measurement of electrical parameters accessible via the communication
- Voltage P-P: U12/U23/U31
- Voltage P-N: V1, V2, V3
- Frequency: F
- Current: I1/I2/I3/In
-Activepower±:P1/P2/P3/∑P
-Reactivepower±:Q1/Q2/Q3/∑Q
-Apparentpower:S1/S2/S3/∑S
-Powerfactor±:PF1/PF2/PF3/∑PF
- Total and partial active energy: Ea+ / Ea-
- Total reactive energy: Er+
- Active energy per tariff: Ea+
- Reactive energy per tariff: Er+
• MODBUS communication
• MID version (according to reference)
Description Reference
COUNTIS E23 4850 3035
COUNTIS E24 (MID) 4850 3036
4.2. Display views
COUNTIS E23: ref. 4850 3035 COUNTIS E24 (MID): ref. 4850 3036
9-digit LCD display
Active energy imported ->/exported <-
Phase detection
Current tariff
Partial active energy
Metrological LED
Selection button
Button to display partial active energy
Configuration button

5
COUNTIS E23/E24 - Ref.: 542 102 A
COUNTIS E23/E24 MODBUS
5. Installation
5.1. Recommendations
• avoid proximity to systems which generate electromagnetic interference,
• avoid vibrations with accelerations in excess of 1 G for frequencies below 60 Hz.
5.2. Dimensions (mm)
64
45
6
90
44
72
5.3. Terminals
64
45
6
90
44
72
0.61 in/15.5 mm
PZ2
exible or rigid 1.5
to 35 mm2
2 Nm
0.35 in/9 mm
PZ2
exible 1.5 to 2.5
rigid 1 to 4 mm2
0.8 Nm

6COUNTIS E23/E24 - Ref.: 542 103 A
5.4. Connections
5.4.1. 4-wire connection - 4-wire load monitoring
L1
L2
L3
N
L1 L1 L2 L2 L3 L3
N
7
1654
23
L1
L2
L3
N
L1 L1 L2 L2 L3 L3
3 x 63A
230/400 VAC 50 Hz
N
7
1654
23
230 VAC
COM RS485
MODBUS / Jbus
T1/2
120Ω -+NC
3 x 63A
230/400 VAC 50 Hz
230 VAC
COM RS485
MODBUS / Jbus
T1/2
120Ω -+NC
Tariff
1-2: Change of tariff only for COUNTIS E24:
0VAC -> Tariff 1
230VAC -> Tariff 2
(change of tariff via MODBUS for COUNTIS E23).
MODBUS
4: Activation of 120 ohm terminating resistors by connecting
terminals 4 and 5.
5: -
6: +
7: NC (not connected).
Mains
L1: Phase input
L1: Phase output.
L2: Phase input
L2: Phase output.
L3: Phase input
L3: Phase output.
N: Neutral connection.
5.4.2. 4-wire connection - 3-wire load monitoring
L1
L2
L3
N
L1 L1 L2 L2 L3 L3
N
7
1654
23
L1
L2
L3
N
L1 L1 L2 L2 L3 L3
3 x 63A
230/400 VAC 50 Hz
N
7
1654
23
230 VAC
COM RS485
MODBUS / Jbus
T1/2
120Ω -+NC
3 x 63A
230/400 VAC 50 Hz
230 VAC
COM RS485
MODBUS / Jbus
T1/2
120Ω -+NC
Tariff
1-2: Change of tariff only for COUNTIS E24:
0VAC -> Tariff 1
230VAC -> Tariff 2
(change of tariff via MODBUS for COUNTIS E23).
MODBUS
4: Activation of 120 ohm terminating resistors by connecting
terminals 4 and 5.
5: -
6: +
7: NC (not connected).
Mains
L1: Phase input
L1: Phase output.
L2: Phase input
L2: Phase output.
L3: Phase input
L3: Phase output.
N: Neutral connection.
5.5. Sealable covers
Plastic seal
Terminal covers
COUNTIS E24 MID
Label scaled
between front and
rear faces

7
COUNTIS E23/E24 - Ref.: 542 102 A
COUNTIS E23/E24 MODBUS
6. MODBUS communication
6.1. General Information
MODBUS®communication is performed via a RS485 serial port (2- or 3-wire) which enables products to be used
from a PC or an API.
Onastandardconguration,aRS485portcanbeusedtoconnect32productstoaPCoraPLCacross1200
meters.
R=120Ω
R=120Ω
R=120Ω
R=120Ω R=120Ω R=120Ω
R=120Ω
R=120Ω
R=120Ω
R=120Ω R=120Ω R=120Ω
MODBUS wiring
Wiring with repeater
≈1200mor32UL
≈1200mor32UL ≈1200mor32UL
Repeater
0 -> NC
0 -> NC
6.2. Recommendations
It is necessary to use a shielded twisted pair (LIYCY type). In an environment where there is interference or large
network (in terms of length) we recommend the use of a shielded twisted pair (type LIYCY-CY).
A repeater should be used to connect additional products if the distance of 1200 m and/or maximum number of 32
products is exceeded.
A120-ohmresistormustbexedatbothendsofthelink.
6.3. Communication structure
The product communicates via a MODBUS®protocol, which involves a dialogue using a master-slave structure. The
mode of communication is the RTU (Remote Terminal Unit) mode using hexadecimal characters of at least 8 bits.
MODBUS®frame structure(master -> slave exchange):
Slave address Function code Address Number of words to read CRC 16
1 byte 1 byte 2 bytes 2 bytes 2 bytes
6.4. Communication table
The communication tables and associated explanations are
available on the COUNTIS E23/E24 documentation page online at
the following address:
www.socomec.com/en/countis-e2x

8COUNTIS E23/E24 - Ref.: 542 103 A
7. Programming
7.1. Navigation principle
Theprogrammingmodeenablesthecommunicationparameterstobemodied.Theprocesstonavigateinsidethe
programming mode is described in the following steps:
Access to item to set
> 4 sec Enter programming mode
(press button for 4 seconds)
Value to be modified
> 4 sec Validate the value
7.2. Programming menu overview
By pressing for 4 seconds, the device will enter the programming mode.
The various screens are accessible according to the sequence:
Programming mode
Primary address
Communication speed

9
COUNTIS E23/E24 - Ref.: 542 102 A
COUNTIS E23/E24 MODBUS
7.3. Detailed view of MODBUS programming menu
x 4
Primary address
4
sec
4
sec
x1
Communication speed
4
sec
4
sec
x1

10 COUNTIS E23/E24 - Ref.: 542 103 A
8. Operation
The total and partial active energy values are accessible via the dedicated buttons. Pressing the appropriate button
several times displays all the available measurements. All the available information and measurements are described
in the following diagram:
Total energy Partial energy
Tariff T1
Ea+ (kWh)
Tariff T1
Ea+ (kWh)
______________ ______________
Tariff T1
Ea- (kWh)
Tariff T1
Ea- (kWh)
______________ ______________
Tariff T2
Ea+ (kWh)
Tariff T2
Ea+ (kWh)
______________ ______________
Tariff T2
Ea- (kWh)
Tariff T2
Ea- (kWh)
______________ ______________
Primary MODBUS address
______________
Communication speed
______________
Software version
______________
"Checksum" software
checking
______________
Display screen checking