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Contrel EMS-96 User Manual Download Page 12

EMS-96 

Instruction Manual 

IM1200-U v1.6 

Pag. 12 / 48 

 

Serial ports (option) 

Depending on the version, the instrument can be equipped with one or two isolated half duplex RS485 serial 
interface. 
Two options are available: 
1 serial port RS485 

2 serial ports RS485 

With these options the instrument can communicate with the external with the 

Modbus protocol

. The two 

ports  are  independent  and  they  can  perform  the  same  operations.  The  presence  of  the  serial  port  RS485 
allows the 

software update

. 

 

COM1 
A1: +data 
B1: -data 
C1: common 

COM2 
A2: +data 
B2: -data 
C2: common 

The instrument communicates via a asynchronous isolated serial interface in the standard RS485 Half-
duplex  that  allows  a  connection  in  a  network  up  to  247  nodes.  This  allows  to  implement  a 
communication  network  between  different  instruments  and  a  master  unit  (data  concentrator)  for  a 
detailed control of an electrical installation. 
The maximum length of the line depends on variables such as the transmission rate and characteristics 
of  the  cables  used.  It’s  recommend  to  use  a  shielded  twisted  pair  cable  with  low  attenuation,  with a 
minimum section of 0.36mm

2

 (22AWG) and capacity of less than 60pF / m. 

The maximum length is about 1200m. For longer distances it’s need to use signal amplifiers (repeaters). 
High networking length and/or where environments are electrically "noisy", it requires the use of two 
termination resistors (at the beginning and end of the line) of 100-120Ω. The use of repeaters is also 
necessary in the case of networks with more than 32 nodes. 
At each repeater can be connected 32 units. 
Please note that complex networks with large number of nodes cause a slower speed of response by 

the instruments. 

Connection type: half-duplex (2 wires + common). 
Isolation: opto-couples (3750 Vrms min.). 
In the figure is showed a connection with a not shielded cable. In the shielded cable connection it’s necessary to connect the 
shield to COM terminal. 
 
 

Profibus port (option) 

Profibus-DP is a multi-master systems. In the networks it’s possible to have up to 126 devices on the same bus.  In 
profibus-DP networks, the interchange of data between peripheral modules and the master is made automatically 
by  the  profibus  controller,  which  ‘virtualise’  the  data  exchange  memory  of  the  DP  devices  in  the  memory  of  the 
master. In the following picture the pin-out of the Profibus-DP port: 
 
 
 
 

The profibus interface detects automatically the baud rate of the network; the baud rate available are: 

9.6 Kbit/s 

19.2 Kbit/s 

45.45 Kbit/s 

93.75 Kbit/s 

187.5 Kbit/s 

500 Kbit/s 

1.5 Mbit/s 

3 Mbit/s 

 
It’s possible to request to the manufacturer application examples, GSD files and protocol manual (IM157). 
 
The 3 yellow led on the back have the following meanings: 
-

 

instrument not parameterized: the 3 led turn on continuously in the sequence PAR - ExB - ExA 

-

 

instrument parameterized: led PAR turned on 

-

 

instrument parameterized and in communication: led PAR on, led ExA and ExB turn on independently 

 
Service: port used by the manufacturer only. 

1 

Not connected

 

4 

RTS 

7 

Not connected 

2 

Not connected

 

5 

Gnd 

8 

RxD/TxD-N (A) 

3 

RxD/TxD-P (B) 

6 

Power Supply (+5V) 

9 

Not connected 

A2

B2

C2

A1

B1

C1

C

O

M

2

-R

S

4

8

5

C

O

M

1

-R

S

4

8

5

EMS

C

1

A1

+

A2

+

B1

-

C

2

B2

-

Master

o

Concentrator

o

Other instrument

COM

A+

B-

1

5

6

9

Summary of Contents for EMS-96

Page 1: ...EMS 96 Electrical Measurement Supervisor User Manual IM1200 U v1 6 ...

Page 2: ...us port option 12 Ethernet port option 13 MBUS option 13 Function keys 14 Frontal led 14 First configuration 14 Maps 15 Menu 15 Measures 17 Graphics 19 User Pages 20 Setup 21 Information 23 Setup Items 24 General 24 Measure 26 Energies and Counters 30 User pages 32 Communication 34 I O 36 Setpoint 38 Log 41 Math 45 Acronym tables 46 Acronyms group table 46 Acronyms table of Instantaneous group 46 ...

Page 3: ...free repair or replacement of equipment parts which are recognized as faulty due to manufacturing defects Warranty does not cover those parts which results defective due to misuse or improper use incorrect installation or maintenance operation by unauthorized personnel damage during transportation or which in any case do not show manufacturing defects of the equipment Not included in the warranty ...

Page 4: ...TTA100 Neutral current Differential input 1A Differential input 5A Differential input 50A 90 250 Vac dc 20 60 Vac dc 2DO 2AO 2AO 2DO 4AO 4AO 2DO RS485 RS485 Profibus MBUS LON ETH Modbus ETH Modbus Wifi EMS 96H 1 0 5S 0 2S 2DO 2DO 4DI 4DO 2DI 6DO 2AO 2AO 2DO 4AO 4AO 2DO RS485 Option EMS 96 ETH WEB RS485 S Wifi S Wifi OPTION STANDARD Ethernet port with Modbus TCP IP protocol Ethernet port with Modbu...

Page 5: ...bviously wrong or unreasonable There is visible damage After serious damage incurred during transport After a storage under unfavourable conditions During normal operation of the devices hazardous voltages at its terminals and in particular on the terminals of voltage and current transformers connected and on the terminals of the digital input and outputs The secondary circuits of the voltage and ...

Page 6: ...ments can be performed by connecting the terminals of Current inputs All current inputs are isolated by current transformers with different ranges depending on the model of the instrument They can be interfaced directly to the line to be monitored or to be connected to the output of external CT with higher range The connections to the lines to be monitored are described in chapter Wiring diagrams ...

Page 7: ...puts DON T connect the S2 terminals to the earth In presence of multiple balanced loads in a three phase network the instrument calculates the electrical parameters checking a single phase current for each load allowing to limit the number of CT used WARNING If the instrument has the TTA on the current inputs DON T connect the S2 terminals to the earth Three Phase balanced loads 4 Wires Configurat...

Page 8: ...sider that only one K for voltages and only one K for currents can be set WARNING If the instrument has the TTA on the current inputs DON T connect the S2 terminals to the earth Single Phase 3 loads in 3 different networks 6 Wires Configuration Two Phase 3 Wires Configuration Single Phase 2 Wires Configuration Single Phase multiple loads in the same network 2 Wires Configuration LOAD N L1 EMS P2 S...

Page 9: ...ersion Input Configuration independent inputs no common pins Isolation level 3 5KVRMS for 60 sec Voltage Input Range 24 48 115 230Vac dc only one of the available options to choose in the order Nominal Input Current max 5mA each all nominal voltages Input Filter Digital Basic Operation Mode pulse counter status change of time band TON_min 30ms TOFF_min 30ms The Voltage input must be defined before...

Page 10: ...s option the instrument will be equipped with 4 digital inputs 4 pulse state digital outputs 6 digital outputs option With this option the instrument will be equipped with 8 digital outputs divided in the following way 4 digital outputs 4 pulse state digital outputs 2 digital inputs 4 digital outputs option With this option the instrument will be equipped with 2 digital inputs 2 digital outputs 4 ...

Page 11: ...gital outputs option With this option the instrument will be equipped with 4 pulse state digital outputs 4 analog outputs Ao1 Ao1 Ao2 Ao2 Do1 Do1 Do2 Do2 Ao1 Ao1 Ao2 Ao2 Do3 Do3 Do4 Do4 Do1 Do1 Do2 Do2 Ao1 Ao1 Ao2 Ao2 Ao3 Ao3 Ao4 Ao4 Do1 Do1 Do2 Do2 Ao1 Ao1 Ao2 Ao2 Ao3 Ao3 Ao4 Ao4 Do3 Do3 Do4 Do4 Do1 Do1 Do2 Do2 Digital Inputs Outputs Ao1 Ao2 Ao3 Ao4 Ao1 Ao2 Ao3 Ao4 Voltage analog outputs EMS Di1 ...

Page 12: ...e than 32 nodes At each repeater can be connected 32 units Please note that complex networks with large number of nodes cause a slower speed of response by the instruments Connection type half duplex 2 wires common Isolation opto couples 3750 Vrms min In the figure is showed a connection with a not shielded cable In the shielded cable connection it s necessary to connect the shield to COM terminal...

Page 13: ...rument wait for end of blinking green LED press and hold the button for at least 10 seconds turn off and turn on the instrument The options available with the Ethernet port are a Ethernet port with Modbus TCP IP protocol b Ethernet port and Wifi with Modbus TCP IP protocol c Ethernet port with Modbus TCP IP protocol and Web server built d Ethernet port with Modbus TCP IP protocol Web server and an...

Page 14: ...stead it allows to escape by opening the menu Esc key This key is used to skip without to confirm the modify when a page of Measures Graphics Info Device and Setup is displayed pressing Esc the display will show all levels path to reach the last page opened by using the menu from the turning on of the instrument Frontal led On the frontal panel there are two led that blink proportionally to the en...

Page 15: ...mation Password Menu User pages Math SAG Slaves read Insulation Temperature Analog Inputs Relat min max COM1 COM2 Measures Graphics Setup Measures Instantaneous Relative min max Absolute Min Absolute Max Counters Average Max Demand Energies Expected Power Information Energies Powers Load Bars Currents trend Voltages trend Harmonics Phasor diagram Graphics Power Factor Cos Tan Power Frequency THDs ...

Page 16: ...riod plan Holiday Daily plan Preset Energies COM1 RS485 No COM1 I O DPO I O DO 1 2 3 4 DI 1 2 3 4 AO 1 2 3 4 AI 1 2 DO 5 6 7 8 COM1 COM2 Log COM1 RS485 No COM2 COM2 RS485 Profibus Ethernet Ethernet Wifi MBUS MBUS COM2 RS485 Readout data Setpoint Summary Details Parameters Texts Setpoint Measures Setup Measure Measure User pages Composition Setting Setting Slave typology Slave name Setting Slave ty...

Page 17: ...r Factor Max Absolute Power Factor Average Power Factor Max Demand Power Factor Tangent Min Absolute Tan Max Absolute Tangent Average Tan Max Demand Tan Active Power Min Absolute Active Power Max Absolute Active Power Average Active Power Max Demand Active Power Reactive Power Min Absolute Reactive Power Max Absolute Reactive Power Average Reactive Power Max Demand Reactive Power Apparent Power Mi...

Page 18: ...r Total Active Energy IN Timeband 1 Timeband 2 Timeband 16 Total Active Energy OUT Timeband 1 Timeband 2 Timeband 16 Timeband 1 Timeband 2 Timeband 16 Timeband 1 Timeband 2 Timeband 16 Timeband 1 Timeband 2 Timeband 16 Total Reactive Energy IN Total Reactive Energy OUT Total Apparent Energy ENERGIES Timeband 1 Timeband 2 Timeband 16 Active Power Max Demand Timeband 1 Timeband 2 Timeband 16 Reactiv...

Page 19: ... L1 Voltage Harmonics L3 Current Harmonics L2 Jan Energy Active Reactive Jan Energy Active Reactive Table 1 16 Jan Energy Active Reactive Table 17 31 Dec Energy Active Reactive Dec Energy Active Reactive Table 1 16 Dec Energy Active Reactive Table 17 31 Energy Year YYYY Energy Year YYYY 1 Energy Year YYYY 3 Energy Year YYYY 2 Energy Year YYYY 4 Energy Year YYYY 5 Weekly Energy Active Reactive Phas...

Page 20: ...that indicate what is showed in the relative page The keys lose the meaning given in the frontal side and they are used to move from one user page to another Each key is associated to one page At the bottom of the display there are the indications of the content of each page The indication of the user page displayed has a different color from the others When the Enter key is released after a long ...

Page 21: ...ion Setup Measure Energies Counters Modalità Timeband Daily plan 16 Period plan 1 Daily plan 1 Period plan 16 Holiday Preset Energies Mode this item is selectable only with the presence of relative option User pages Setup User pages User page 4 Type Titles Composition Keys texts Communication Setup Communication this item is selectable only with the presence of relative option this item is selecta...

Page 22: ...al input 3 Digital output 6 Digital input 4 Analog output 2 Analog output 3 Analog output 4 Digital input 2 Digital input 1 this item is selectable only with the presence of relative option Setpoint Setup Setpoint Setpoint 32 Setpoint 1 Log Setup Log Trigger log Smart log Generic log Trigger log this item is selectable only with the presence of relative option ...

Page 23: ... Digital I O Status Setpoints Summary Info Smart Log Info Generic Log Setpoint Log page 2 Setpoint Log page 1 Setpoint Log page 32 Generic Log page 2 Generic Log page 1 Generic Log page XXXX Options 3 5 Info Device Events 1 4 Events 2 4 Events 3 4 Events 4 4 Options 5 5 Info Trigger Log Trigger Log page 1 Trigger Log page 2 Trigger Log page XXXX Info Timed Log Timed Log page 1 Timed Log page 2 Tim...

Page 24: ... Yes No No Reset to factory settings Default setup Yes No No Reset all settings in setup All energies Yes No No Reset all energies counted TB energies Yes No No Reset all energies timebands not total energies Counters Yes No No Reset all counters TB counters Yes No No Reset all counters timebands not total counters Min Max Yes No No Reset all min and max values Max demand Yes No No Reset max deman...

Page 25: ...l led LED min period ms 10 100 60 Pulse period associated at frontal led Setup General Display Display Range Default Brightness 1 15 Factory Set the brightness of the display Return default page min 1 30 5 After this time the instrument comes back to default page Backlight keys Off In standby Always on In standby Set the type of the key illumination Standby No Yes Short bright Change page Yes Set ...

Page 26: ... the voltage value drops below for a time greater than the setting the software considers the event as SAG Fig 1 Sag parameters Fig 2 Sag Explanation A sag is defined as an under voltage condition that persists for more than one period of base frequency A shorter under voltage condition is called a dip see Fig 2 The occurrence of sag could announce an impending loss of power To set the sag registe...

Page 27: ...3 X X X X ACTIVE POWER L2 X X calculated x3 X X X ACTIVE POWER L3 X X calculated x3 X X SYSTEM REACTIVE POWER X X calculated X REACTIVE POWER L1 X X X x3 X X X X REACTIVE POWER L2 X X calculated x3 X X X REACTIVE POWER L3 X X calculated x3 X X NEUTRAL CURRENT calculated or measured option DIFFERENTIAL CURRENT option alternatively to the neutral current THD VOLTAGE L1 X X X X X X X X THD VOLTAGE L2...

Page 28: ... multi load balanced Single phase multi load and Multi single phase Not applied All voltage inputs must be apply For the current wiring item it possible to have the following option Correct Not correct the order of current connections not be correct in the following insertion Three phase Three phase balanced Three phase multi load balanced Single phase multi load and Multi single phase L1 reverse ...

Page 29: ...eactive energy IN counter VArh OUT L1 0 1000000000 0 Value to add at the actual L1 reactive energy OUT counter VAh L1 0 1000000000 0 Value to add at the actual L1 apparent energy counter Wh IN L2 0 1000000000 0 Value to add at the actual L2 active energy IN counter Wh OUT L2 0 1000000000 0 Value to add at the actual L2 active energy OUT counter VArh IN L2 0 1000000000 0 Value to add at the actual ...

Page 30: ... select the modality for change the timeband Manual From DI the combination of digital input select the actual timeband TB used see the following table DI4 DI3 DI2 DI1 TB used DI4 DI3 DI2 DI1 TB used DI4 DI3 DI2 DI1 TB used DI4 DI3 DI2 DI1 TB used 0 0 0 0 1 0 1 0 0 5 1 0 0 0 9 1 1 0 0 13 0 0 0 1 2 0 1 0 1 6 1 0 0 1 10 1 1 0 1 14 0 0 1 0 3 0 1 1 0 7 1 0 1 0 11 1 1 1 0 15 0 0 1 1 4 0 1 1 1 8 1 0 1 1...

Page 31: ...eekdays the second for Saturdays and Sundays Enabling is executed after the end of these settings Daily Plan and Period Plan For two days January 6 and April 21 as exceptions to the standard weekly schedule you used the menu Holidays Setup Measure Energies Counters Daily plan Daily Plan 1 Start hour 1 8 Start minute 1 30 Timeband used 1 TB 1 Start hour 2 18 Start minute 2 30 Timeband used 2 TB 2 S...

Page 32: ...e user page 3 User page 4 instant averages energies setpoint instant To enable the visualization of the user page 4 User page 5 instant averages energies setpoint instant To enable the visualization of the user page 5 User page 6 instant averages energies setpoint instant To enable the visualization of the user page 6 Impostazioni Pagine utente Composizione User Page X from 1 to 6 Range Default Ro...

Page 33: ... the key Key 2 L L Text associated with the function of the key Key 3 A Text associated with the function of the key Key 4 P F Text associated with the function of the key Key 5 W Text associated with the function of the key Key 6 VAr Text associated with the function of the key Example Setup User pages Titles User page 1 Warehouse Setup User pages Type User page 1 instant Setup User pages Composi...

Page 34: ... parameters Parity None Odd Even None Communication parameters Min response delay ms 5 100 10 Modify this value if use a slow external converter Setup Communication COM1 2 Slave tipology COM1 2 Slave read option Range Default Slave node 1 TTC V CTT 4 CTT 8 HRI EMM h EMT 4s EMS 96 RI SM Type of slave instrument connected to the address 1 Slave node 20 TTC V CTT 4 CTT 8 HRI EMM h EMT 4s EMS 96 RI SM...

Page 35: ...ameters Parity None Odd Even Even Communication parameters Min Response delay ms 0 100 10 If set 0 the instrument responds as soon as possible Setup Communication M Bus Readout data M Bus Readout Data option Range Default Group 1 See Acronym Group table Instantaneous Group of the 1 st measure read Measure 1 See acronym in the table of the group selected V 1 st measure read Group 20 See Acronym Gro...

Page 36: ... Default Status 0 1 0 Select 1 to close the output 0 to open it Level Active low Active high Active high Active Low initial state high level Active High initial state low level Mode Status Not used Setpoint Status Status see the Status item set Not used Setpoint the digital output is controlled by setpoint function These settings are used for the optional digital outputs from DO 5 to DO 8 Setup I ...

Page 37: ...Power VAr kVAr MVAr GVAr THD and harmonics 100 Apparent Power VA kVA MVA GVA Frequency mHz Angle degree 10 These settings are used for the optional analog outputs from AO 1 to AO 4 Example to associate the L1 phase voltage to the analog output it is necessary select instantaneous for the item Measure group and the acronym V1 for the item Measure associated If the maximum value is set to 300V and 1...

Page 38: ...lds set If the limits are exceeded and if it s necessary to control more parameters simultaneously and to have a single action there is the possibility to link more setpoints using the two main logical operations AND and OR To use this feature you must set only one setpoint as primary with the following setup limits debounce Over Entry logic Over Entry operands secondary setpoints to be included i...

Page 39: ...low no logic No logic the Action is executed without to verify the status of others setpoint Default OR logic the Action is execute after the check of result of the OR logic operation with the setpoint selected in operands AND logic the Action is execute after the check of result of the AND logic operation with the setpoint selected in operands WARNING it s not possible to set OR logic for logic o...

Page 40: ...c operation over AND Operands 1 16 Setpoint 2 yes Setpoint 3 yes Action over save event yes DO change yes Action entry save event yes DO change yes DO used DO 1 yes Enable yes SETPOINT 2 secondary Source Internal measures Group instant Item V2 High threshold 230 High threshold unit V Over debounce 10 sec Enable yes SETPOINT 3 secondary Source Internal measures Group instant Item V3 High threshold ...

Page 41: ...y Type of storage Note FIFO after 10 consecutive cycles is automatically disabled Group 1 See Acronym Group table Selection of the group for the 1 st measure sampled for the generic log Measure 1 See acronym in the table of the group selected Selection of the 1 st measure sampled for the generic log Group 15 See Acronym Group table Selection of the group for the 15 st measure sampled for the gener...

Page 42: ...e Type FIFO end memory end memory Type of storage Note FIFO after 10 consecutive cycles is automatically disabled Group 1 See Acronym Group table Selection of the group for the 1 st measure sampled for the smart log Measure 1 See acronym in the table of the group selected Selection of the 1 st measure sampled for the smart log Group 15 See Acronym Group table Selection of the group for the 15 st m...

Page 43: ...w Setpoint DI active high Input that active the log DI used 1 4 1 Digital input used for the trigger Setpoint used 1 32 1 Setpoint used for the trigger Group 1 See Acronym Group table Selection of the group for the 1 st measure sampled for the trigger log Measure 1 See acronym in the table of the group selected Selection of the 1 st measure sampled for the trigger log Group 15 See Acronym Group ta...

Page 44: ...9 59 End time of log Monday yes no no Enable or disable the log in this day of the week Sunday yes no no Enable or disable the log in this day of the week Group 1 See Acronym Group table Selection of the group for the 1 st measure sampled for the timed log Measure 1 See acronym in the table of the group selected Selection of the 1 st measure sampled for the timed log Group 15 See Acronym Group tab...

Page 45: ...asures as Source Item 1 If the selected Group is instantaneous or average or energies see the acronym in the relative table Inside the Group chosen before select the measure to check Multiplier 1 1 100000 1 Setting of the multiply factor for the operand before to perform the operation Divisor 1 1 100000 1 Setting of the division factor for the operand before to perform the operation Operation sum ...

Page 46: ...G COS Average COS L1 AVG VAr System Average Reactive Power AVG V1 Average Voltage Phase 1 AVG COS1 Average COS L2 AVG VAr1 Average Reactive Power L1 AVG V2 Average Voltage Phase 2 AVG COS2 Average COS L3 AVG VAr2 Average Reactive Power L2 AVG V3 Average Voltage Phase 3 AVG COS3 System Average Apparent Power AVG VAr3 Average Reactive Power L3 AVG A System Average Current AVG VA Average Apparent Pow...

Page 47: ...ge 30 400VAc phase to neutral 52 693 Vac phase to phase Current 1A 10mA 1A for 1 0 5S or 0 2S Class accuracy depending on the option Current 5A 50mA 5A for 1 0 5S or 0 2S Class accuracy depending on the option Installation Distributionnetworks lowandmediumvoltage singlephaseconnection threephasewithneutral threephasewithoutneutral Voltageinputs Inputs type 3 phase inputs Neutral Permitted over vol...

Page 48: ...50mAMAX 12 250Vac 150mAMAX Voltage isolation 4KV for 60 sec Output functionality Digital Output programmed as alarm Selectable pulse period 60ms 1000ms Programmable pulse polarity active close or active open Programmable pulse weight Pulse duration TON_min 30ms TOFF_min 30ms Analog outputs Number of analog outputs 2 4 Auxiliary power supply Not required Insulation level 3 5KV for 60 sec Maximum le...

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