User manual ALFA 5-LS and ALFANET 5-LS
Contents
1. l ER Jr ss i Signal i Signal i input i input Diff Diff i Setpoint Setpoint Adjusting input signal The input signal can be adjusted with the Offset input signal parameter 06 Indicates the ALFA NET 5 LS f i 2 te much than the Offset input signal should be decreased with 2 Error codes On the display from the ALFA NET 5 LS can appear the following error codes EE Adjustments are lost Solution EE Reprogram the adjustments Technical details Type ALFA NET 5 LS Level Switch Range 0 100 95 read out per 1 96 Supply 230 Vac or 24Vdc or 12Vdc see sticker Relays The three relays have one common Ry 1 out 1 SPST NO 250V 8A cos p 1 of 5A cos p 0 4 Ry 2 out 2 SPST NO 250V 8A cos q 1 of 5A cos 20 4 Ry 3 out 3 SPDT NO NC 250V 8A cos p 1 of 5A cos p 0 4 Control Through push buttons on the front Communication RS485 2x twisted pair shielded cable min 0 5mm Front Polycarbonate IP65 Input signal 0 10Vdc 0 100 Dimensions 90 x 71 x 58mm hwd Panel cut out 46 x 71mm hw Accuracy 0 5 from the range Provided with memory protection during power failure Equipped with self test function and sensor failure detection Connection with screw terminals Special version on request available Connections Dimensions I ano T Ae Lay gano Z Ae lay ano Ae Lay ZH09 0S RANE Atddns 000000000000 DOODO E ix2. O00000000000 90 ALFA 5 LS C 9 99 VDH TES KANA OOO T ANANA NAA DODO euBis 00T 0 9pAO1 0 opio H Paoro alg 41e y our 7H AO QNO PZ ut E DOS E TaT XKR WUG 07u Lui ed pep 9tus d pa3siM1 Z OMJ N G8BPSA Leuo 14d0 w yJde 07 apis euo ye Kquo pietus Address ooc eot QD 0 ce o 9 N N a OOo e 6r QO 10 10 5 S98 e o8 FFE E a X o wt r LL Li gt a c 57 Oo DD 3900 o 21r 9 2 Lu Q SN Io G9 205 www vdhproducts nl Internet The Netherlands
3. User manual oOooooooeoeooo ALFA 5 LS and ALFANET 5 LS 3 Stage level switch controller With input 0 10Vdc 0 100 ul Vu V7 No VOUS NY e T oia UON UU VDH doc 080705 Version v1 0 Date 23 05 2008 Software ALFA NET 5 LS File Do080705 wpd Range 0 100 per 1 Function The ALFA NET 5 LS is a 3 stage level switch controller for rail mounting The read out is in whole percentage The function from the controller can be adjusted through the internal parameters A choice can be made between switching on if the measured value is higher or lower than the adjusted set point All three stages uses 1 set point and with the differentials and offsets the stages can be shift from each other The ALFANET 5 LS is equipped with a RS 485 network connection for read out and control on the Alfanet Installation On the connection diagram from the ALFA NET 5 LS is shown how the input network supply and relay should be connected After power up a self test is started After the self test is started the measured percentage from the input will be shown Control The ALFA NET 5 LS controller can be controlled by four push buttons on the front SET viewing changing from the adjusted value UP raise the adjusted value DOWN lower the adjusted value MODE relays status key Viewing the set point By pushing the SET key the set point appears in the display The decimal point of the last digit starts
4. flashing to indicate this A few seconds after releasing the SET key the set point disappears and the measured temperature is shown again Changing the set point Push the SET key and the set point appears in the display Release the SET key Push the SET key again together with the UP or DOWN keys to change the set point A few seconds after releasing the SET key the set point disappears and the measured temperature is shown again Status from the Relais Push the MODE key to shows the status of the relays The three digits are indicating the status from the relays hereby O off and 1 on The code 110 means that relay 1 and relay 2 are on and relay 3 is off Adjusting internal parameters Next to the adjustment of the set point some internal settings can be made like differentials input offset and set point range By pushing the DOWN key for more than 10 seconds you enter the internal programming menu On the left display the upper and the lower segments are flashing Over the UP and DOWN keys the required parameter can be selected see table for the parameters If the required parameter is selected the value can be read out by pushing the SET key Pushing the UP and DOWN keys allows you to change the value of this parameter If no key is pushed for 20 seconds the ALFA NET 5 LS changes to it s normal operation mode Parameters ALFA NET 5 LS Para Description Parameter Range Default meter value Function relay 1 0 i
5. nput gt set point relay on 1 input set point relay on Function relay 2 idem as P01 Function relay 3 idem as P01 Minimum adjustable set i 0 100 Maximum adjustable set i 0 100 Offset input signal 15 415 Switching differential relay 1 1 100 Offset relay 1 100 100 Switch on delay relay 1 0 99 Switch off delay relay 1 0 99 Parameter 12 13 in sec or min O sec 1 min Minimum on time relay 1 0 99 min Minimum off time relay 1 0 99 min Switching differential relay 2 1 100 Offset relay 2 100 4100 Switch on delay relay 2 0 99 Switch off delay relay 2 0 99 Parameter 22 23 in sec or min O sec 1 min Minimum on time relay 2 0 99 min Minimum off time relay 2 0 99 min Switching differential relay 3 1 100 Offset relay 3 100 100 Switch on delay relay 3 0 99 Switch off delay relay 3 0 99 Parameter 32 33 in sec or min O sec 1 min Minimum on time relay 3 0 99 min Minimum off time relay 3 0 99 min Control delay after power failure Network number ke He oOoooooonH oOoOooooonHn m o Software version Production year Production week Serial number x1000 Serial number units 1 When a delay time is running the most right dot will flashing Function diagram Each relays out 1 till out 3 is adjustable Relay function 1 or Relay function 0 input lt setpoint relay on input gt setpoint relay on on on E M
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