General ..................4 Technical data ................40 Inspection on receipt ..............5 Function parameters ............42 Scope of delivery – Energy Meter 525 ........6 Table 1 - Parameter list ............43 Product description ..............6 Number formats ..............46 Intended use ................
General General Meaning of the symbols This manual applies to the products: Energy Meter 525-24 2540880000 Energy Meter 525-230 2540890000 The following pictograms are used in the operating manual at hand: Dangerous voltage! Copyright Danger to life or risk of serious injury. Disconnect...
Inspection on receipt Inspection on receipt Instructions for use Please read the operating manual at hand as well as all other pub- The prerequisites of faultless, safe operation of this device are lications that must be drawn from for working with this product (in proper transport and proper storage, set-up and assembly, as well particular for the installation, operation or maintenance).
Product description Scope of delivery – Energy Meter 525 Intended use Quantity Description The Energy Meter 525 is provided for the measurement and cal- Energy Meter 525 culation of electrical parameters such as voltage, current, power, Mounting clips energy, harmonics, etc. for building installations, to distributors, circuit breakers and busbar trunking systems.
• Working temperature range -10 to +55 °C Operating concept • Storage of minimum and maximum values (without time stamp) There are several ways to program the Energy Meter 525 and re- trieve measured values. Uncertainty in measurement • Directly on the device using two buttons.
Assembly Connection variants Direct connection of a Energy Meter 525 to a PC via Ethernet. Installation location ecoExplorer go The Energy Meter 525 is suitable for installation in permanent, weatherproof switchboards. Conducting switchboards must be Energy earthed.
Installation Installation Mounting The Energy Meter 525 is mounted on the switchboard by the side Supply voltage mounting brackets. These must be removed before using the de- vice. Mounting is carried out by inserting and engaging the brack- A supply voltage is required to operate the Energy Meter 525.
Installation Voltage metering Rated mains voltage The Energy Meter 525 can be used for voltage measurement in Lists of the networks and their rated mains voltage in which the TN, TT and IT systems. Energy Meter 525 can be used.
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• For line protection, we recommend an overcurrent protection device as per the technical specifications. The Energy Meter 525 requires the mains frequency for the meas- • The overcurrent protection device must be suitable for the line urement and calculation of measured values.
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Installation Connection diagram, voltage measurement • 3p 4w (addr. 509= 0), factory setting • 3p 2u (addr. 509 = 5) Fig.: System with three-phase conductors and no neutral conduc- Fig.: System with three-phase conductors and a neutral conduc- tor. Measurement via voltage transformer. Measured values tor.
Current measurement • 2p 4w (addr. 509 = 3) The Energy Meter 525 is designed for connecting current trans- formers with secondary currents of ../1A and ../5A. The factory set current transformer ratio is 5/5 A and may need to be adapted to the current transformers.
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Current transformer connections! The secondary connection of the current transformer must be short-circuited on this before the current feed to the Energy Meter 525 is disconnected! If a test switch, which automatically short-circuits the secondary wires of the current transformer, is avail- able then it is sufficient to set this to the „Test“...
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Installation Connection diagram, current measurement • 3p 4w (addr. 510 = 0), factory setting • 3p 3w3 (addr. 510 = 3) Fig.: Measurement in a three-phase net-work with an unbalanced Fig.: Measurement in a three-phase net-work with an unbalanced load. load.
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• 1p 2w (addr. 510 = 7) resp. I1/I2). Caution! The Energy Meter 525 is only approved for a current measurement using the current transformer. Fig.: Measured values derived from the I2 and I3 current meas- urement inputs are assumed to be zero and not calculated.
If you want to measure the current not only with the Energy The Ethernet network settings should be specified by the network Meter 525 but also with the ammeter, the ammeter must be con- administrator and set on Energy Meter 525 accordingly.
Operation Operation If no button was pressed for about 60 seconds when you are in The Energy Meter 525 is operated via buttons 1 and 2 with the programming mode, or button 1 and 2 are pressed simultaneously following functions: for about 1 second, the Energy Meter 525 will switch back to dis- •...
Ethernet in- terface. Example of the parameter display On the Energy Meter 525 display the value “006” is shown as the content of address “036”. This parameter reflects the brightness of the backlighting (0 = dark, 9 = bright).
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Operation Button functions Display mode Programming mode Change mode Change mode Password simultaneous simultaneous Browse Browse Programming short menu 1 short Measured Programming values 1a menu 2 long Programming Measured Measured menu 3 long values 2a values 2b long short Programming Programming Confirm selection...
Applying the supply voltage To configure the Energy Meter 525, the supply voltage must be connected. The level of supply voltage for the Energy Meter 525 can be found on the nameplate. If no display appears, check the operating voltage to determine whether it is within the rated voltage range.
Configuration Programming current transformers Programming voltage transformers Switching to programming mode • Switch to the programming mode as described. The symbols for • Simultaneously press buttons 1 and 2 in order to switch to pro- the programming mode (PRG) and for the current transformer gramming mode.
Configuration Programming parameters Switching to programming mode • Switch to the programming mode as described. The symbols for the programming mode (PRG) and for the current transformer (CT) appear. • Use button 2 to switch to the voltage transformer setting. The first parameter of the parameter list is shown by repeatedly pressing button 2.
Configuration TCP/IP configuration Within an Ethernet, each device has a unique TCP/IP address that can be assigned manually or from a DHCP server. The 4-byte de- vice address (0 to 3 byte) can be extended in the TCP/IP configu- ration using the subnet mask and gateway data. Setting the TCP/IP device address (addr) manually •...
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Configuration Caution! Connection of the Energy Meter 525 to the Ethernet may only be carried out after discussion with the net- work administrator! Caution! The Energy Meter 525 is factory-programmed for the Fig.: Subnet mask (Sub), byte 0, value 255 dynamic allocation of the IP settings (DHCP mode).
If you have forgotten the password, the password can only be cleared by using the ecoExplorer go PC software. To do this, connect the Energy Meter 525 to the PC via a suitable interface. More information can be found in the help section of ecoExplorer go software.
Parameters Energy meter Mains frequency (Addr. 034) The Energy Meter 525 has power meters for active energy, reac- For automatic ascertainment of the mains frequency, an L1-N volt- tive energy and apparent energy. age larger than 10 Veff must be applied to the voltage measure- ment input V1.
Harmonics are the integer multiple of a mains frequency. All 10/12 periods the measured values are calculated and the The voltage mains frequency for the Energy Meter 525 must be in readings are displayed on a per second basis. There are two ways the range between 45 and 65 Hz.
Device Configuration function of the soft- ware; customizable display profiles are programmed individually. A connection between the Energy Meter 525 and the PC via an interface is required for the use of the ecoExplorer go software Fig.: Profile setting in the ecoExplorer go software.
The voltage measurement input phase sequence is checked and - the operation backlight displayed in the Energy Meter 525. If the string moves in a clock- - the standby backlight wise direction, this means that the rotary field rotates to the “right”;...
Parameters Time recording Overall runtime of comparators The Energy Meter 525 records the operating hours and the overall The overall runtime of a comparator is the sum of the runtimes runtime of each comparator, exceeding the comparator result limit value.
Check the direction of the voltage rotation field on the measured value display of the Energy Meter 525. • The level of supply voltage for the Energy Meter 525 can be Usually there is a “clockwise” spinning rotation field. found on the nameplate.
1 should be latched if the limit value is ured by the Energy Meter 525 must also be correct. For confirma- exceeded. tion, the sum power ratings measured by the Energy Meter 525...
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Commissioning Comparator group 1 Comparator A Comparator B Comparator C Measured value (addr. 110) Measured value (addr. 116) Measured value (addr. 122) Limit value (addr. 108) Limit value (addr. 114) Limit value (addr. 120) Minimum turn-on time (addr. 111) Minimum turn-on time (addr. 117) Minimum turn-on time (addr.
Commissioning • Measured value (addr. 110, 116, 122, 129, 135, 141) The address of the measured value to be monitored is in the Measured value measured value. If measured value = 0, the comparator is inactive. Limit value • Limit value (addr. 108, 114, 120, 127, 133, 139) Write the value in the limit that is to be compared with the measured value.
Do not use acids and products containing acid for cleaning. Fig.: ecoExplorer go firmware update assistant Disposal The Energy Meter 525 can be reused or recycled as electronic scrap in accordance with the legal provisions. The permanently installed lithium battery must be disposed of separately. Service Should questions arise, which are not described in this manual, please contact the manufacturer directly.
The voltage at L1 is too small. The mains frequency does not range between 45 The three-digit error number is composed of the error description and 65 Hz. and (if detectable by the Energy Meter 525) one or more error Remedy: causes. Check the mains frequency.
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Error messages Metering range exceedance Parameters of the metering range exceedance Metering range exceedances are displayed for as long as they A continuative error description is stored encoded in the param- are present and cannot be acknowledged. A metering range is ex- eters of the metering range exceedance (addr.
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Error messages Procedure in the event of faults Possible fault Cause Remedy No display External fusing for the power supply voltage has Replace fuse. tripped. No current display Measurement voltage is not connected. Connect the measuring-circuit voltage. Measurement current is not connected. Connect measuring-circuit current.
Circuit breaker B6A: max. 5 devices Ambient conditions during operation Circuit breaker B16A: max. 13 devices The Energy Meter 525 is intended for use in weather-protected, fixed loca- - Option 24 V: Circuit breaker B6A: max. 3 devices tions. Circuit breaker B16A: max.
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45 to 65 Hz Resolution 0.01 Hz 1) The Energy Meter 525 can only determine values, if a voltage L-N greater than 10 Veff or a voltage L-L of greater than 18 Veff is present at least one voltage measurement input.
Technical data Function parameters Function Symbol Accuracy class Metering range Display range Total real power (IEC 61557-12) 0 to 5.4 kW 0 W to 999 GW * Total reactive power QA, Qv (IEC 61557-12) 0 to 5.4 kvar 0 varh to 999 Gvar * Total apparent power SA, Sv (IEC 61557-12)
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Parameter and Modbus address list The following excerpt from the parameter list contains settings that are necessary for proper operation of the Energy Meter 525, such as current transformers and device addresses. The values in the parameter list can be written and read.
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Technical data FLOAT RD/WR Comparator 1C, Limit value -1 to +10 SHORT RD/WR Comparator 1C, Address of the measured value 0 to 32000 SHORT RD/WR Comparator 1C, Minimum turn-on time 0 to 32000 SHORT RD/WR Comparator 1C, Lead time 0 to 32000 SHORT RD/WR Comparator 1C, Operator “>=”...
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Technical data SHORT Software release SERNR Serial number SERNR Production number 0 = 5 seconds; 1 = 10 seconds; 2 = 15 seconds; 3 = 30 seconds; 4 = 1 minute; 5 = 5 minutes; 6 = 8 minutes; 7 = 10 minutes; 8 = 15 minutes The adjustable value 0 does not produce any sensible energy values and must not be used.
Technical data Number formats Type Size Minimum Maximum short 16 bit ushort 16 bit 32 bit uint 32 bit float 32 bit IEEE 754 IEEE 754 Notes on saving measurement values and configu- ration data: • The following measurement values are saved at least every 5 minutes: •...
Technical data Dimensional drawings All dimensiones in mm. Rear view Cutout dimensions +0,8 Bottom view □ 91,5 Side view max. 6 2576800000/00/02-2018...
Measured value displays overview Measured value displays overview Measured values Mean values Maximum values Minimum values L1-N voltage L1-N voltage L1-N voltage L1-N voltage L2-N voltage L2-N voltage L2-N voltage L2-N voltage L3-N voltage L3-N voltage L3-N voltage L3-N voltage Measured values Mean values Maximum values...
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Measured value displays overview Measured value L1 cos(phi) L2 cos(phi) L3 cos(phi) Measured value Mean value Sum of cos(phi) Sum of cos(phi) Measured value Frequency L1 Rotation field display Measured value Measured value Measured value Measured value Measured value Measured value Measured value Total active energy Total active energy...
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Measured value displays overview Maximum value Maximum value Maximum value 1st. harmonic 3rd. harmonic 15th. harmonic U L3 U L3 U L3 Maximum value Maximum value Maximum value 1st. harmonic 3rd. harmonic 15th. harmonic I L1 I L1 I L1 Maximum value Maximum value Maximum value...
Connection example Connection example Energy Meter 525 Versorgungs- Power supply Measuring voltage Current measurement Spannungsmessung Strommessung voltage spannung N/- L/+ 230V/400V 50Hz UL/IEC approved overcurrent protection system (6 A Char. B) UL/IEC approved overcurrent protection system (10 A Class CC / Char. C)
Basic functions quick guide Basic functions quick guide View measured values Adjusting the current transformer Switch to the display mode: Switch to the programming mode: • If you are still in the programming mode (PRG and CT icons • Press button 1 and 2 simultaneously for around 1 second to displayed on the screen), press button 1 and 2 simultaneously switch to the programming mode.
TCP/IP addressing quick guide TCP/IP addressing quick guide Activate/deactivate dynamic IP allocation (dyn) Manual TCP/IP settings Device/gateway address and subnet mask are assigned by a Switch to the programming mode DHCP server and enable automatic integration of the device into •...
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