Eliwell Ewpc 901 T Manual Instructions
Eliwell Ewpc 901 T Manual User
Eliwell Ewpc 901 T Manuals

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Eliwell Ewpc 901 T Manual Instructions

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Aug 21, 2018 The EWPC 902 (/T, /R, /P) is a new series. If an ELIWELL humidity or pressure. This manual and its contents remain the. Eliwell Ewdr 902t Manual. Srovnani-eliwell-carel-lae-every-control-212.pdf IC 901 IC 902 12V/-1 236 7 8 9. ELIWELL EWPC 902 / T. With Manual Brand New. 01 Italiano Eliwell. 01 - Controllore di temperatura 1 uscita. Strument, i.e. 12 V ac/dc (EWPC 905/T and EWPC 905/R in this version ar e recognized accor ding to VDE and UL) or 24 Vac/dc. Refer to the instrument label for the applic - able terminals to be used for the sensor cable. If an ELIWELL humidity or pressure sensor is used (EWPC 905/R or EWPC 905/P) keep in mind that it can be pow.

Eliwell Ewpc 901 T Manual User

EWPC 907temperature controller with dual outputGENERAL DESCRIPTIONsetting, push the “SET” plus the “UP” (orThe EWPC 907 is a temperature controller “DOWN”).with dual output, acting either indepen- The system will automatically return to itsdently or dependently (2-stage); the prima- normal operating mode a few seconds af-WHAT IT ISry output provides field selectable ON/OFF, ter the programming procedure is com-The EWPC 907 is a temperature PD or PID and SOFT START control. pleted or interrupted.controller with dual output, acting The front keypad of these controllers offersDESCRIPTION OF PARAMETERSeither independently or dependently several alpha-numeric menu prompts to(2-stage); the primary output pro- configure the controller for each specific Any parameter which does not apply to avides field selectable ON/OFF, PD application (see further). particular instrument version or configura-or PID and SOFT START control. The EWPC 907 is supplied in the popular tion is automatically removed from the pro-“32x74” ELIWELL housing. gramming menu.E.g.: a control for Thermocouple input willFRONT KEYPADnot offer parameters “Lci” and “Hci”.HOW IT IS MADESET: pushed once the setpoint 1 value will d1: differential 1.• Housing: black ABS plastic, au- be displayed for 3 seconds (Led “I” blinks). Activated only in ON/OFF control mode.toestinguish. Pushed once again within 3 seconds the Must be set with negative (-) value for heat-• Dimensions: front 74x32 mm setpoint 2 value will be displayed (Led “II” ing applications. (2.913x1.260'), depth 67 mm blinks). The setpoint can be changed with d2: differential 2.(2.637') the “UP” or “DOWN” button. The switching differential (hysteresis) set-• Mounting: flush panel mount with UP: used to increase the setpoint value, as point 2 must be set with positive valuemounting bracket well as the parameter when in program- (make on rise) or with negative value (make• Protection: the instrument front- ming. When held down for a few seconds, on fall). See parameter “HC2”.panel is waterproof IP65; an op- the change rate accelerates. LS1: Lower Set (limit) 1.tional snap-on cover can be DOWN: used to decrease the setpoint val- This is the lower limit below which the usersupplied to provide additional pro- ue, as well as the parameter when in pro- cannot change the setpoint 1; normally settection of the rear terminal block gramming. When held down for a few at the lowest value recommended for the• Connections: screw terminal seconds, the change rate accelerates. sensor.2block (2.5 mm ; one wire each ter- Led “I”: status light of output 1. LS2: Lower Set (limit) 2.minal only, in compliance with Blinks when in setpoint 1 display/change This is the lower limit below which the userVDE norms) mode or during programming. cannot change the setpoint 2; normally set• Display: 12.5 mm LED (0.50'). Led “II”: status light of output 2. at the lowest value recommended for the• Push buttons: located on front Blinks when in setpoint 2 display/change sensor.panel. mode. HS1: Higher Set (limit) 1.• Outputs: two (2) SPST relays 8(3)A Similar to “LS1”, however setting an upper250V AC PARAMETER PROGRAMMING limit for the setpoint 1.• Auxiliary output: 12 Vdc/60 mA Programming is easily accessed by hold- HS2: Higher Set (limit) 2.(for transducer power supply, e.g. ing the “SET” button down for more than 4 Similar to “LS2”, however setting an upperhumidity sensor, pressure trans- seconds; the first parameter is displayed limit for the setpoint 2.ducer, etc.) while the status light Led “I” remains blink- Pb: Proportional band.• Inputs (depending on model): ing during the programming period. This value, expressed in degrees, deter-PTC / RTD (Ni100, Pt100) / Other parameters are accessed with the mines the band-width around the setpointTC (J, K) / 4…20 mA (Ri = 41 Ω) “UP” and “DOWN” button. With the “SET” within which the instrument provides pro-• Resolution: 1 °C (°F) or 0.1 °C (°F). button, the actual setting of each parame- portional control. See also “PROPOR-The right-most digit can also be ter is displayed. To change a parameter TIONAL CONTROL”.set to read-out in 0 or 5 only, or inall 10 digits• Accuracy: better than 0,5% of fullscale• Power supply (depending on mod-el): 12 Vac/dc or 24 Vac/dcDEFAULT SETTINGS - STANDARD MODELS of “0” disables this function.dSt: dynamic Set time.Parameter Description Range Default UnitTime value between two successive dy-d1 differential 1 –1 / min –1 °C / °Fnamic setpoint increases.Lci: Lower current input.d2 differential 2 min / max 1 (C) / –1 (H) °C / °FRead-out corresponding to the “low endLS1 Lower Set limit 1 min / max min °C / °Fscale” input signal of 4 mA; only for mod-LS2 Lower Set limit 2 min / max min °C / °F els with current input.Hci: Higher current input. HS1 Higher Set limit 1 min / max max °C / °FRead-out corresponding to the “high endHS2 Higher Set limit 2 min / max max °C / °Fscale” of 20 mA; only for models with cur-Pb Proportional band 0.1 (1) / max 40 °C / °F rent input.CAL: CALibration.It Integral time 0 / 999 300 secondsThis offers an adjustment up or down ofdt derivative time 0 / 999 50 secondsthe read-out, if needed. Factory set at “0”.Ft: Function type. Sr Sampling rate 1 / 10 3 secondsControl mode selection (only for output 1;rSt manual reSet min / max 0 °C / °Foutput 2 is always ON/OFF).Ar Anti reset wind-up band 0 / max 20 °C / °Fon = ON/OFF;nr = not applicable;od output delay 0 / 500 0 secondsPi = PID.Ct Cycle time 1 / 500 25 secondsPSE: Probe SElection.drb dynamic restart band 0 / max 20 °C / °FInput type (for RTD or Thermocouplesonly).dSi dynamic Set increment 0 / max 10 °C / °FRTD models: Ni = Ni100; Pt = Pt100.dSt dynamic Set time 1 / 999 120 secondsT/C models: Fe = TcJ; Cr = TcK.Lci Lower current input min / max min °C / °FOCO: Output COnnection.Setpoint dependency.Hci Higher current input min / max max °C / °Fdi = setpoint 2 dependent on setpoint 1CAL CALibration min / max 0 °C / °F(for 2-stage control;Ft Function type on / Pi Pi flagin = setpoint 2 independent from setpoint1.PSE Probe SElection Ni / Pt / Fe / Cr / /HC2: Heating / Cooling (output) 2.OCO Output COnnection di / in in flagRelay switch function output 2.HC2 Heating / Cooling output 2 H / C H flagH = Heating;C = Cooling.rP1 relay Protection 1 ro / rc ro flagrP1: relay Protection 1. rP2 relay Protection 2 ro / rc ro flagDetermines the status of the relay in caseLF1 Led Function 1 di / in di flagof sensor defect. Factory set at “ro”.ro = relay open; rc = relay closedLF2 Led Function 2 di / in di flagrP2: relay Protection 2.dP decimal Point on / oF oF flagSame as “rP1”.hdd half digit display n / y n flag LF1: Led Function 1. Determines whether the status light is ONtAb tAble of parameters / / /or OFF in relation to output 1. di = direct = light ON when output 1 is en-It: Integral time. This is the half-band (on either side of the ergized;The higher this setting, the “smoother” the setpoint) in which the integral action takes in = reverse = light OFF when output 1 isintegral action. A setting of “0” completely place. The higher this setting, the stronger energized.eliminates the integral function and the integral action. Recommended initial LF2: Led Function 2. changes the controller from PID to PD setting: half of the value of parameter “Pb”. Same as “LF1”.(output 1). See also “PROPORTIONAL od: output delay. dP: decimal Point.CONTROL”. This provides a delay selection for the out- Choose whether the resolution is requireddt: derivative time. puts in applications where