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3.

ELECTRICAL INSTALLATION

3.1 General

The Controller meet requirements for

Í

-marking according to EN 55022 (1998) + A1 + A2 and EN 61000-4-3

(2006). In order to ensure maximum EMC-protection and CE-compatibility, it is required that the cable installation
instructions are strictly adhered to.

3.2 Terminal connections

The procedure which must be observed in connecting electrical cables to SEG's weighing systems is described
below.
The weighing system utilizes different cable types.

- Power cable for main voltage to the scale controler.
- Signal cable for connection of load cells.
- Control cables for output relays.
- Signal cable 0/4-20mA output to auxiliary equipment (PLC, PC, printer, remote indicator etc.).
- Signal cable for serial communication RS485 to auxiliary equipment (PLC, PC, Indicator etc.).

Signal cables must be laid with great care to ensure faultless operation of the weighing system. Signal cables may
not be laid near any kind of high power cable. Thus, they may not be laid in a common conduit or a common cable
trough. Signal cables parallel to power cables must be separated by at least 2 m when distance exceeds a few
metres. Shielded cables must be used for all installations, and care must be taken to ensure that the shield is
properly connected inside the cable glands, so that the shield gets proper contact with the controller enclosure.

Signal cable splicing should be avoided. Junction and connection boxes must not permit the entry of any
moisture. Cable clamps must be used for all cables.

18-08-16

S44-H15E

3-1

S-E-G

SYSTEM A2-H15 INSTRUCTION

Fig.3.1, Terminal locations

Terminal no.

Description

1,01,2,3,4,04

Load cell signal input 0-45mVdc, max 140mA/85 Ohms. Ref. to section 3.3 - 3.4.

5(-), 6(+)

Speed/pulse sensor input; S-E-G type F, Relay dry contact or NPN proximity switch.

V+, V-, Ground

Power supply 24Vdc (13-30Vdc). Optional 90-230Vac/24Vdc module (PW-24) available.

31, 32, 33

1 RS485 serial port. 31(Gnd), 32(TRx-), 33(TRx+) Ref. to section 3.5.

41,42

1 Digital input for belt position sensor. Contact closure or Proximity switch (NPN or PNP).

51(+),52(-)

Analog output 4-20mA (Flowrate), max 350 Ohms.

21,22,23,24

2 Relay ouputs, closing contacts (NO) 24Vdc/1A.
21,22: Totaliser pulse. 23,24: Selectable; Belt running, Flow level, Speed level or Load level.

Содержание System A2 H15

Страница 1: ...S44 H15E INSTRUCTION SYSTEM A2 BELTWEIGHER MODEL H15 General information Mechanical installation Electrical installation Commissioning and operation Technical information D B A C ...

Страница 2: ...ns 6 2 6 3 Controller Specifications 6 7 7 MAINTENANCE 7 1 7 1 Housing maintenance 7 1 8 CE Compliance and Harmonized Standards 8 1 8 1 WEEE Compliance 8 1 8 2 RoHS Compliance 8 1 8 3 CE Compliance 8 1 8 4 EC Declaration of Conformity 8 2 This instruction contains all necessary information to perform a successfull installation connection and start up procedure of the instrumentation In order to fu...

Страница 3: ...ter must be brought to rotate at a rate which is proportional to the belt speed The tachometer and its installation are described in separate instructions If an additional belt revolution sensor is connected automatic belt profiling compensation is possible Influences of uneven belts and belt splices can then be almost completely eliminated resulting in a much higher totalising accuracy compared t...

Страница 4: ...l parts which may be damaged are properly secured Inspect the equipment on delivery and report any shortages or physical damage to your SEG representative If storage is necessary it should be in a dry and heated building with temperature between 5 50o C 18 08 16 S44 H15E 1 3 S E G SYSTEM A2 H15 INSTRUCTION ...

Страница 5: ...pose The installation place should be situated in a shady area that is never exposed to direct sunlight or rain If the mounting surface is damp or wet spacers approximately 12 mm thick should be placed between the mounting plate and the mounting surface For dimensions refer to figure 2 1 18 08 16 S44 H15E 2 1 S E G SYSTEM A2 H15 INSTRUCTION Panel mount type P weight 0 5kg Field enclosure type W we...

Страница 6: ...trough Signal cables parallel to power cables must be separated by at least 2 m when distance exceeds a few metres Shielded cables must be used for all installations and care must be taken to ensure that the shield is properly connected inside the cable glands so that the shield gets proper contact with the controller enclosure Signal cable splicing should be avoided Junction and connection boxes ...

Страница 7: ...a separate item and installation and connection is shown below The power module is attached to the enclosed bracket with 2 pcs M3x4 screws The electrical connection is preferably done before installation of the unit into the enclosure for easier access of the screw terminals The 2 securing M3 lock nuts may be turned 1 2 a turn on the threded pins before attaching the unit as the holes are cut out ...

Страница 8: ...ed for splicing and interconnection Belt scales generally incorporate a pulse generator for detecting belt speed The signal from the generator is transmitted by an extra pair of conductors in the same cable used for the load cell signal When connecting load cells of other brands than SEG check that they are compatible with a 12Vdc supply voltage and that the max current load does not exceed 140mA ...

Страница 9: ...18 08 16 S44 H15E 3 4 S E G SYSTEM A2 H15 INSTRUCTION ...

Страница 10: ...battery may be engaged by pulling the plastic tab on the rear side of the controller If the tab has accidentally been pulled before power up just connect the controller to 24vdc for power up and then disconnect again This will allow the internal CPU to perform a controlled shutdown minimizing battery drain Note that if the controller will be stored for a long period of time before taken into opera...

Страница 11: ... distance application The RS 485 can extend communications up to 1000 meters at up to 38 kBaud transmission rate For shorter distances it handles up to 32 units at baud rates up to 38 kBaud without any additional interface For data communication System A2 uses MODBUS serial line slave protocol MODBUS RTU and MODBUS ASCII transmission modes are supported Refer to the serial communications specifica...

Страница 12: ...startup procedure will step through and prompt you for all the necessary data and perform an initial zero and span adjustment Enter Change of parameters is described below If a change to a previously entered parameter is required it may be accessed by stepping back through the parameters using the D Up key When a value is changed keeping the key pressed will change the value with increasing speed ...

Страница 13: ...chometer is installed with drive type CF where the tacho is driven by a heavy wheel resting against the belt you can skip to check no 5 below þ 4 1 If the tachometer is being driven in any other way measure the total belt length in cm and move to step no 5 þ 5 The parameter values below will be necessary for the start up procedure Make notes of the following values so that you have them at hand wh...

Страница 14: ...f the installed load cell s in kg The information is normally found on the descriptive label of the load cell Note For S E G weighing units only the rated load of 1 load cell must be entered even if several units are installed in a row in the conveyor For weighbridges or weighing units with for example 2 load cells on the same idler S E G type EK the sum of the rated load for the installed load ce...

Страница 15: ...e must be carried out instead Save Saves all entered values and selections and exits to operation mode Auto zero is being started and after successsfully finished the belt profile compensation is being activated If the belt position sensor signal is lost for 4 belt revolutions in a row belt profile compensation will be deactivated Signal Error and the previously recorded average tare will be used ...

Страница 16: ... from where the controller is located the tachometer pulses may be stopped or started using the frontkey B only this eliminates the use of the switch inside the conn box G If a tachometer type SEG CF is being used i e driven by the return part of the belt the corresponding belt length is now automatically displayed under BeltLen If you are driving the tacho by other means or using a contactor inpu...

Страница 17: ...al 2 may be password protected Flow 325tþ Sub1Tot 35 2 t Zeroset of lower row indications Zeroset of Subtotal 1 or 2 depending on which is being indicated Subtotal 2 may be password protected Flow 325tþ Sub1Tot 35 2 t Tare out of belt when running empty C Toggles indication in lower display row between Total Sub1Tot Sub2Tot Flow and Zero I Print except for the selection used in the upper row B Pri...

Страница 18: ...E G representative for further information This message is only indicated once for each power up and may be cleared according to the description above 18 08 16 S44 H15E 5 2 S E G SYSTEM A2 H15 INSTRUCTION Symbol Description Ñ Belt stopped not totalising ƒ Belt running load on belt flowrate indication totalising Belt running empty totalising wait time before empty indication start of auto tare if s...

Страница 19: ...ample above 07 02 21 11 18 Flow 325th will be printed Subsequently the following will be printed if corresponding indications is selected in the upper row 07 02 21 11 19 Sub 1 Total 35 2 t 07 02 21 11 20 Sub 2 Total 18 3 t 07 02 21 11 21 Master Total 227 7 t Remote printout via terminals 41 42 will print Subtotal2 only with automatic zeroset for each printout NOTE Printout will only be executed on...

Страница 20: ...m is exited and reentered the password will be asked for again Entering a password code will also protect zerosetting of Subtotaliser 2 from the front panel A2 H15 menusystem 18 08 16 S44 H15E 6 1 S E G SYSTEM A2 H15 INSTRUCTION NEW STARTUP Restore Ld Cell At mV V TotUnit Tacho Idl Spc PulsLen BeltLen Run Blt Save INFORMATION Speed Load mV V mA Out Tare TotPart Sub1Part Sub2Part Serial System Prog...

Страница 21: ...one totalising unit in for totaliser Sub2Tot This value will be set to 0 when the totaliser is zeroset Serial Serial no of hardware pc board System Firmware model information Prog date Firmware revision date SYSTEM DATA The system data menu contains system read write parameters that can be altered as desired Angle The angle of inclination of the conveyor from the horizontal plane This value may be...

Страница 22: ... auto zero sequence will be initiated when load on weighing unit load cell drops below this value Requires that parameter AutZERO is enabled with Yes or manually initiated by frontkey A Limit value is set automatically once at initial start up procedure after recording of belt profile min and max weight variations If a new automatic calculation is desired the value must be reset to 0 before runnin...

Страница 23: ... running a known quantity of material over the belt scale Adjustment in when a known verified deviation is already at hand by experience or previous tests Example 1 adjustment with dead weights Dead weight adjustment must be performed with the belt stopped Check any tare weight of parameter Load and make a note of the value if not 0 Hung a suitable dead weight 20 100 of load cell capacity on the i...

Страница 24: ...Val Now as current value Enter value 1015 for parameter New Val for a desired 1 5 adjustment Initiate change by selecting Yes for parameter Change You will now find that parameter Cur Adj has changed to 101 5 as current value resulting in a flowrate and totalising increase of 1 5 TIME SETUP This menu contains parameters for date and time settings The internal clock will continue working when power...

Страница 25: ...he password will be asked for again If the password should be lost it cannot be retrieved The back up battery must be temporarily removed and the system restarted again with a new start up Default value 0 inactivated Reg Service registers Intended for authorized service personnell Select reg no and scroll down to Reg Val to read and change value Note any changes will be active immediately Reg Val ...

Страница 26: ... keypad Power supply Standard 24Vdc approx 5W Protection Fuse internal Optional External 90 250VAC 24VDC PW 24 Connection Terminal strip 12 x 2 5 mm2 max AWG 16 for stranded wire Terminals 1 6 V V 11 x 1 5 mm2 max AWG 18 for stranded wire Terminals 21 52 Input Load Cell 4 or 6 wire system with sense inputs 0 3 45 0mVdc Speed sensor S E G type F Relay dry contact NPN proximity switch 13 24vdc depen...

Страница 27: ...CII Environmental Location Indoor outdoor Operation 10 to 50 oC Storage 5 to 50 oC Approvals EN 61000 4 3 2006 and EN 55022 1998 A1 A2 2002 95 EC RoHS Marking of electrical and electronic equipment in accordance with Directive 2002 96 EC WEEE 18 08 16 S44 H15E 6 8 S E G SYSTEM A2 H15 INSTRUCTION ...

Страница 28: ...ntenance No special maintenance is required for the housing Keep outside surfaces clean Use a slightly dampened cloth for cleaning Avoid the use of abrasives and strong solvents 18 08 16 S44 H15E 7 1 S E G SYSTEM A2 H15 INSTRUCTION ...

Страница 29: ...s S E G will provide free recycling once the customer has returned the equipment to S E G Contact S E G support or your local dealer for information regarding where to return the equipment Free recycling is only available where a replacement product is being supplied by S E G 8 2 RoHS Compliance The Controller is a category 9 product monitoring and control instrument in accordance with Directive 2...

Страница 30: ...8 4 EC Declaration of Conformity 18 08 16 S44 H15E 8 2 S E G SYSTEM A2 H15 INSTRUCTION ...

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