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HML210 Converter |
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Installation & |
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LCMag Electromagnetic Flowmeters |
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Operation |
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Release number: 210_EN_LC_R8_3_9X –
The last three digits of file name identify the software version which the manual refers to; it is visualized at the instrument start up, or by specific function on DIAGNOSTIC menu.
Liquid Controls Group An IDEX Fluid & Metering Business |
IOM: IEM200-10 |
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HML 210
INTRODUCTION
These operating instructions and description of device functions are provided as part of the scope of supply. They could be modified without prior notice. The improper use, possible tampering of the instrument or parts of it and substitutions of any components not original, renders the warranty automatically void.
The converter is to be used only to be coupled with a sensor to realize a measuring device, flow meter, that is to be used for measuring the flow of conductive liquids in closed pipes with conductivity greater than 5µS/cm.
The converter could be coupled directly on the sensor (compact version) or coupled to the sensor by cable supplied with it (remote version).
converter
sensor
The reproduction of this manual and any supplied software is strictly forbidden.
SAFETY INFORMATIONS
Any use other than described in this manual affects the protection provided by the manufacturer and compromises the safety of people and the entire measuring system and is, therefore, not permitted.
The manufacturer is not liable for damaged caused by improper or non-designated use.
1)Transport the measuring device to the measuring point in the original packaging. Do not remove covers or caps until immediately before installation. In case of cartons packaging it is possible to place one above the other but no more than three cartons. In case of wooden packaging do not place one above the other.
2)Disposal of this product or parts of it must be carried out according to the local public or private waste collection service regulations.
3)The converter must only be installed, connected and maintained by qualified and authorized specialists (e.g. electrical technicians) in full compliance with the instructions in these Operating Instructions, the applicable norms, legal regulations and certificates (depending on the application).
4)The specialists must have read and understood these Operating Instructions and must follow the instructions it contains. The Operating Instructions provide detailed
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HML 210
information about the converter. If you are unclear on anything in these Operating Instructions, you must call the service.
5)The converter should only be installed after have verified technical data provided in these operating instructions and on the data plate.
6)Specialists must take care during installation and use personal protective equipment as provided by any related security plan or risk assessment.
7)Never mount or wire the converter while it is connected to the power supply and avoid any liquid contact with the instrument’s internal components. To connect remove the terminals from the terminal block.
8)Before connecting the power supply check the functionality of the safety equipment.
9)Repairs may only be performed if a genuine spare parts kit is available and this repair work is expressly permitted.
10)For the cleaning of the device use only a damp cloth, and for the maintenance/repairs contact the service center.
Before starting up the equipment please verify the following:
θPower supply voltage must correspond to that specified on the data plate
θElectric connections must be completed as described
θGround (earth) connections must be completed as specified
Verify periodically (every 3-4 months):
θThe power supply cables integrity, wiring and other connected electrical parts
θThe converter housing integrity
θThe suitable tightness of the sealing elements
θThe front panel integrity (display and keyboard)
θThe mechanical fixing of the converter to the pipe or wall stand.
SAFETY CONVENTIONS
DANGER
Warning indicates an action or procedure which, if not performed correctly, can result in injury or a safety hazard. Comply strictly with the instructions and proceed with care.
WARNING
Caution indicates an action or procedure which, if not performed correctly, can result in incorrect operation or destruction of the device. Comply strictly with the instructions.
NOTES
Note indicates an action or procedure which, if not performed correctly, can have an indirect effect on operation or trigger an unexpected response on the part of the device. 
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HML 210
TECHNICAL CHARACTERISTICS
ELECTRIC CHARACTERISTICS
Instrument classification: version (IP65 with optional pollution degree 2.
class I, IP67 for compact/separate version, IP54 for panel transparent frontal cover), installation category II, rated
Power supply |
Power supply |
Power supply |
Pmax |
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versions |
voltage |
frequency |
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HV |
100-240V~ |
44-66Hz |
25VA |
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LV |
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18-45V~ |
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18-45V |
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20W |
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LLV |
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10-35V |
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θVoltage variations must not exceed ±10% of the nominal one.
θAll instrument versions can be equipped with all power supply versions.
θInput/output are insulated up to 500V
θThe output 4-20 mA (optional) and the output 24V
are electrically connected.
ENVIRONMENTAL USE CONDITIONS
θThe instrument can be installed inside or outside buildings
θAltitude: from –200m to 2000m (from -656 to 6560 feet)
θHumidity range: 0-100% (IP 67), 0-90% without condensation (IP54) for panel version
AMBIENT TEMPERATURE
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Min. * |
Max |
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°C |
-20 |
60 |
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°F |
-4 |
140 |
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If the converter is supplied in compact version to the sensor, consider the ambient temperatures more restrictive, otherwise refer to the respective manuals.
* For discontinuous use, a thermostat heat source installation may be necessary.
Data plate
On the data plate there is some technical information: MODEL: Converter Model
S/N: Serial Number of the converter P.S.: Power Supply
POWER: Maximum power consumption Hz: Frequency (AC)
T: Operating temperature
IP: Protection grade
COUPLING: Serial number of sensor coupled ITEM: free for user
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HML 210
OVERALL DIMENSIONS
COMPACT VERSION |
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SEPARATE VERSION |
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146 |
170 |
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146 |
170 |
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146 |
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138 |
146 |
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138 |
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230 |
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138 |
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138 |
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25 |
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WEIGHT |
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Compact |
Separate |
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INOX AISI 304 |
3kg |
3.5kg |
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Alluminum |
2.5kg |
3kg |
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PANEL VERSION
.0 
137
145.0
0 . 67
72.0 |
0 |
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144 |
Weight: 0.5kg
160.0
0 . 80
IP65, TRASPARENT FRONTAL COVER (OPTIONAL)
IF2 CAP
CABLE GLAND
COVER SCREW
TORQUES
To guarantee the compact/separate housing’s IP degree the following torques are required:
θ cover screws: 1.5Nm
θ cable glands: 4Nm (in reference conditions)
θIF2 cap: 4Nm
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HML 210
ELECTRICAL CONNECTIONS
GROUNDING INSTRUCTIONS
ALWAYS ensure that the converter and the sensor are grounded (earthed) correctly. The grounding of the sensor and converter ensures that the equipment and liquid are equipotential.
CONVERTER POWER SUPPLY
Compact/separate version
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M3 |
L |
N |
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(-) |
Panel version
M3 |
L |
N |
(+) |
(-) |
θBefore connecting the power supply, verify that the mains voltage is within the limits indicated on data plate.
θFor the connections use only approved conductors, with fire-proof properties, whose section varies from 0.25mm2 to 2.50mm2, based on distance/power; additionally fix the power supply wires with a additional fastening system located close to the terminal.
θThe power supply line must be equipped with an external protection for overload current (fuse or automatic line breaker).
θProvide in close proximity the converter a circuit breaker easily accessible for the operator and clearly identified; whose symbols must conform to the electrical safety and local electrical requirements.
θEnsure that the component complies with the requirements of the standard for electrical safety distance.
θCheck chemical compatibility of materials used in the connection security systems in order to minimize electrochemical corrosion.
θThe sensor, hardwired inputs and outputs are connected to the converter through a terminal blocks located inside the converter.
θTo locate the compact/separate version terminal block loosen the 4 screws on the back cover. When the front cover is lifted, the terminal block is visible. The terminal block is the hardwire connection of the converter to external equipment, including the sensor.
The following pages give informations on the terminal block numbering, and the respective connecting of the sensor cables, and inputs/outputs.
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HML 210
COMPACT/SEPARATE VERSION M1 TERMINAL BLOCK
Power supply
IF2 socket
Signalling LED: see display flags and led warning interpretation section
Dip switch, when the switch is ON, there is NO more access to the programming functions
Dangerous voltage on block 12-13:
-60V 
Max
-250V Max on commutation coils
LOCK |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
21 22 23 24 25 26 |
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M3 |
11 12 13 14 15 16 17 18 19 20 |
27 28 29 30 31 32 |
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M1 |
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M2 |
PANEL VERSION M1 TERMINAL BLOCK
Dangerous voltage on block positions 12-13:
-60V 
Max
-250V Max on commutation coils
Power supply
IF2 socket
Dip switch, when the switch is ON, there is NO more access to the programming functions
M2 |
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M1 |
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26 25 24 23 22 21 |
20 19 |
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10 |
9 |
8 |
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2 |
1 |
M3 |
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HML 210
CONVERTER TO SENSOR ELECTRICAL CONNECTIONS
SEPARATE VERSION
1
E1
2
E2
3
C
4
SH
11
SH
12
B1
13
B2
ALL SENSORS
Sudden movements of the electrodes cable, can cause noise on measure. Max cables length: 20m.
TERMINAL BLOCK M1
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RS485 |
4-20mA |
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E1 |
E2 |
C |
SH |
+ |
- |
B |
A |
+ |
- |
1 |
2 |
3 |
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6 |
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SH |
B1 |
B2 |
SH |
+ |
C |
E |
C |
E |
- |
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COILS |
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24V |
OUT1 |
OUT2 |
24V |
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SENSOR WITH PREAMPLIFIER
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10 (preamp.) |
1 |
1 |
(E1) |
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9 (preamp.) |
2 |
2 |
(E2) |
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8 (preamp.) |
3 |
3 |
(C) |
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4 |
4 |
(SH) |
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11 |
11 (SH) |
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ALL SENSORS |
7 (preamp.) |
12 |
12 (B1) |
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WITH PREAMPLIFER |
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6 (preamp.) |
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13 (B2) |
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Max cable length: 500m
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HML 210
OPTIONAL MODULES
OPTIONAL MODULES (NO RELÈ MODULES)
θME200: 2 programmable on/off outputs + 1 on/off input
θME201: 1 programmable on/off output + 1 high frequency output + 1 on/off input
θME202: 1 4-20mA output + 2 programmable on/off output + 1 on/off input
θME203: 1 RS232 port + 2 programmable on/off outputs + 1 on/off input
θME204: 1 RS232 port + 2 programmable on/off outputs + 1 4-20mA output + 1 on/off input
θME220, ME221, ME222: data logger, see the related manual
θProtocols: profibus DP, HART and Modbus, see the related manuals
LEGEND
SH: Cable shield, electrically connected to ground and to the casing
CTS: Input terminal of the signal “CLEAR TO SEND” of the RS232 port
RD: Input terminal of the signal “RECEIVE DATA” RS232 port
TD: Output terminal of the signal “TRASMIT DATA” of the RS232 port
SG: Terminal “SIGNAL GROUND” common to all signals of the RS232 port
C: Terminal connected with the on/off output transistor COLLECTOR
E: Terminal connected with the on/off output transistor EMITTER
OUT 3 |
RS 232 |
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E |
C |
CTS RD |
TD |
SG |
21 22 23 24 25 26 |
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20 |
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(M1) |
27 28 29 30 31 32 |
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- |
+ |
E |
C |
SH |
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INP2 |
OUT 4 |
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+ |
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4-20mA |
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10 |
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OPTIONAL RELÈ MODULES
θME205: 2 relay outputs with 1 NO contact + 1 NC contact each, 2A 60V~, 60W/125VA
θME207: 2 relay outputs with 1 NO contact + 1 NC contact each, 2A 250V~, 60W/125VA
HML 210
LEGEND
θSH: Cable shield, electrically connected to ground and to the casing
θC: Relay – common
θNC: Normally closed contact
θNO: Normally open contact
Teminal block on compact/separate version
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OUT 3 |
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OUT 4 |
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NO |
NC |
C |
NO |
NC |
C |
14 |
21 22 23 24 25 26 |
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M2 position on separate/compact version
LOCK |
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M1 |
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1 |
2 |
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4 |
5 |
6 |
7 |
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9 |
10 |
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M2 for |
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ME205 and ME207 |
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Teminal block on panel version
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OUT 4 |
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OUT 3 |
C |
NC NO |
C |
NC NO |
26 25 24 23 22 21 |
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M2 |
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SH |
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NOTE: On panel version the terminal block M2 is the same than other modules.
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HML 210
INPUTS/OUTPUTS
DIGITAL INPUT
External power supply
10k 
5 (+)
3-40VDC (ON)
0-1.5VDC (OFF)
6 (-)
Internal power supply
+24 |
15 |
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5 |
10k |
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6 |
0 |
20 |
The functions referring to the inputs could be divided in three groups:
1)only assignable functions to the input 1
2)functions that act directly on the inputs independently from the select input
3)only assignable functions to the input 1 and only to the input 2 which interact between them
For details see the following pages.
Remember that the activation of any functions of batch automatically disable the other. The list of such functions is suitable in the table of the batch function configuration section.
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HML 210
OPERATION ON INPUT ON/OFF
INPUT OPERATION STAGE (GENERIC FUNCTIONS)
Auto-calibration
AUTOCALIB. OFF
3-40 V
0-1.5 V 
T
Tmin<T<1sec. = autocalibration
T > 1 sec. = Auto zero
Necessary conditions for enabling the function
POS. 5.7 ENABLED (Autozero calibration external command) POS. 5.9 DISABLED (batch on input 1)
POS. 5.10 DISABLED (batch functions assign to input 2 (optional)
Reset totalizers
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BLOCK |
3-40 V |
RESET |
0-1.5 V
T 
Tmin = 100ms
Necessary conditions for enabling the function
POS. 5.1 to 5.4 ENABLED (partial positive or reverse flow totalizers reset enable).
N.B.: This function is even assignable to the input 2
Block totalizers |
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Necessary conditions for enabling the function |
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Block totalizers |
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POS. 5.6 ENABLED (totalizers counting lock command) |
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3-40 V
POS. 12.5 DISABLED (auto-batch)
POS. 12.7 DISABLED (batch consent)
0-1.5 V
Totalizers active
Range change
Scale 2
3-40 V
0-1.5 V
Scale 1
Necessary conditions for enabling the function
POS. 5.8 ENABLED (range change)
POS. 5.9 DISABLED (batch on input 1)
POS. 5.10 DISABLED (batch functions assign to input 2 (optional))
POS. 6.1-4 DISABLED (end-batch functions assign to output 2)
Speed rate |
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Tmin |
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10Hz |
220ms |
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20Hz |
110ms |
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50Hz |
45ms |
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80Hz |
30ms |
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150Hz |
15ms |
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ATTENTION: time T must be to Tmin
Note: THE FUNCTIONS ABOVE ARE ENABLED ONLY ON INPUT 1
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HML 210
OPERATION STAGE ON INPUT 1 OR 2 (BATCH FUNCTION)
Start batch from remote input
3-40V
0-1.5V
Opening |
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Closing |
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valve |
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valve |
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BATCH |
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OUTPUT INPUT
Necessary conditions for enabling the function
θPOS. 5.9 or POS. 5.10 ENABLED on batch
θPOS. 6.1 to 6.4 on end batch
Start batch from consent (remote)
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3-40V |
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0-1.5V |
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Opening |
Closing |
Opening |
valve |
valve |
valve |
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BATCH |
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OUTPUT INPUT
Necessary conditions for enabling the function
θPOS. 5.9 ENABLED or POS. 5.10 on
batch
θPOS. 6.1 to 6.4 on batch
θPOS. 12.7 ENABLED (Consent mode)
Start batch from remote input with autobatch enabled
3-40V |
5 Sec. |
<5 sec. |
INPUT |
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0-1.5V |
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Opening |
Closing valve |
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Closing |
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quantity to batch |
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valve |
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valve |
OUTPUT |
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memorized |
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AUTO-BATCH |
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BATCH |
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Necessary conditions for enabling the function
θPOS. 5.9 or POS. 5.10 ENABLED on BATCH
θPOS. 6.1 to 6.4 on END BATCH
θPOS. 12.5 ENABLED (auto-batch)
θPOS. 12.7 DISABLED (consent mode)
Start batch from remote input with automatic selection of formula 00/03
3-40V |
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T |
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Start |
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0-1.5V |
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Formula selection |
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Opening |
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Closing |
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valve |
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valve |
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BATCH |
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OUTPUT INPUT
T= 100ms ±50ms for select the formula 00 T= 200ms ±50ms for select the formula 01 T= 300ms ±50ms for select the formula 02 T= 400ms ±50ms for select the formula 03 In case of stop batch from remote input the time of input
Necessary conditions for enable the function
θPOS. 5.9 ENABLED on BATCH or POS. 5.10
θPOS. 6.1 to 6.4 on END BATCH
θPOS. 12.6 ENABLED (automatic selection of formula)
θPOS. 12.7 DISABLED (consent mode)
θPOS. 5.10 DISABLED selection function for the formula 00/01 assigned to input 2 (optional)
Start batch from remote input 1 reset p+ enabled on remote input 1
3-40V |
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T |
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Start |
INPUT |
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0-1.5V
Opening |
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Closing |
OUTPUT |
valve |
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valve |
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BATCH |
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T BETWEEN 1 E 4 = RESET TOTALIZER T<1 = START E RESET TOTALIZER
Necessary conditions for enabling the function
θPOS. 5.9 ENABLED (Batch on input 1)
θPOS. 6.1 - 6.4 on BATCH
θPOS. 5.2 ENABLED (reset P+)
N.B.: THE ACTIVATION OF BATCH FUNCTIONS ON INPUT 2
PREVENTS THE ACTIVATION OF BATCH FUNCTIONS ON INPUT 1
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