Industrial controller KFM 902 / 93 B 902 E Operating instructions 285
Contents
1. kfm Industrial controller KFM 902 93 B 902 E Operating instructions Page 1 of 2 Key for setpoint and parameter mode Setpoint adjustment 1 LCD display for relay function Suy 285 2 Descriptive text for displayed values Return 282 c 3 Digital value displays 4 Unit of display 5 6 Ef GO OU certifications DIN GL BV 5 6 General KFM 902 is an industrial microcomputer based controller series in control panel format 96 x 96 mm with a performance range of up to 8 relay outputs various signal inputs and outputs as well as numerous possible optional extras Communication with control systems is also possible All relay contacts are implemented as potential free changeover contacts Normally the N O contacts of all relays are internally permanently wired with RC elements Optionally the RC elements for relays K1 K3 are led on terminals for the selective connection N O contact factory connected The scope of delivery includes plugable terminal blocks The transflective LCD indication with white background lighting is easy to read in both light and dark environments In operating mode up to 4 values actual values setpoint values control settings can be displayed including freely adjustable description text and unit of display Additional displays for operating and malfunction messages including the corresponding hardware or custom display masks are optionally available Stage controllers and2. three point step controllers with auxiliary contact e g burner controller are fitted as standard with a 2 measuring input continuous controllers have an extended measuring input range Types depending on configuration Type Measuring inputs Type suffix Indicator 9020 max 4 depending on version Single stage controller 9021 Pt100 standard signal 0 400 C adj without or 0 Two stage controller 9022 Pt100 standard signal 200 800 C adj 99mb14b Three point controller 9023 Thermal element NiCr Ni K 0 1200 C Positioner follow up controller 9024 Fe CuNi J 0 900 C PtRh Pt S 0 1700 C qt Two point PID controller 9025 Remote resistance transmitter 0 100 1000Q2 qw Three point PID controller 9026 i int Three point steg controller 9027 Feature for meas input 2 with equipment external setpoint Standard signal configurable to ext setpoint value the Continuous controller 9028 Pt100 tis extra usable Continuous controller with 2 outputs 9029 SORRE i Sub types suffix Bt 100 0 400 C switching controllers 200 800 C Basic function 00 continuous controllers switchable to F standard signal Display adjustable 999 to 9999 setpoint range can be limited via menu Binary inputs Max 20 inputs alt for potential free contacts or for Basic function 1 8 additional contacts 01 08 Basic function double triple quadruple 20 30 40 Logic output 0 24V max 40mA aL Function exte
3. e adjusted on customer s demand off a act ai value Proportional band Xp 0 1 999 9 FSd2 F Sd1 Integral action time Tn 0 0 999 9 min SA2 p Rate time Tv 0 0 99 9 min three point step controller inverted Sensitivity of response Xsh 0 1 1 0 n K1 K2 Travel time of the actuator Tm 6 600 sec Switching frequency cy 2 120 sec ot actual value Function characteristics direct inverted dpo Switching interval SA add contacts 0 100 0 K Switching difference Sd 0 1 100 0 K Additional contact functions As switching interval above and below setpoint or continuous controller single output double output Y2 independent adjustable with own setpoint and Aa measuring input switching function adjustable 51007 H P1 taltd P2 D ref to chapter additional switching contacts sp SP 192 14990419 Installation dimensions Other data L Housing for panel mounting 96 x 96 mm Power supply 100 250 VAC about 14 VA B 0 8 alternative 24 V AC DC H 0 8 Protective system EN 60529 IP54 terminals IP20 Permissible ambient temperature 0 60 C Nominal temperature 20 C Climatic category KWF to EN 60529 Relative humidity lt 75 yearly average Form 96x96 L 150mm B 92mm H 92mm no condensation EMC referring to EN 61326 Wiring diagram Example valid for each delivered controller is the wiring diagram on its casing only analog measuring inputs binary inputs ana
4. l logic outp power supply relays b99 24VDC 0 24V L 100 250V type logic out 1 28 L internal fuse 0 24V 29 T0 5A logic out 2 0 24V logic out 3 oe 20MA ou 20MA C t F oa 20mA Sout 1 0 4 20mA Sout 2 0 4 20mA Sout 3 0 4 20mA Sout 4 option in in Protect relay outp by ext fuse 2A Pt100 input of ai2 is additionally usable a EE ES EEE EE EE EBEE a 32 oa ie Rois Ee for service 5 i6 with 2 binary input cards the Optionally RC element selective interface terminals bO of each card connectable see below are linked factory setting N O contact factory connected Wiring examples for input 1 and output 1 respectively standard signal others binary inputs relay contact actuator a1 thermo b99 pot free UT RUMA az couple b1 contact 4 20MA ire a99 2 w ire Tr z feedback a Fi ie o 0 2 10V A device vaga data subjects to alteration 902_re doc 1110301
5. nsions paranda controller 991d ext voltage 0 24V for status messages can eae ea ae optionally be saved or control functions Program controller 991p Displays Ramp setpoint 991r Max 4 four digit value displays with selectable Malfunction modul 991s decimal point each including adjustable descriptive Stage controller 991t text and unit of display optional add message texts Additional devices custom display masks up to 8 displays for relay Additional analog inputs gaa when External setpoint incl switching 99 bwa Outputs N Second setpoint incl switching 99 bwz Up to 8 relays as setting outputs or additional contacts with Binary inputs for special functions 99 b potential free changeover contacts switching power 250V 2A Further additional contacts 99 f incl spark extinction on the N O contact Analog signal outputs 99 o up to 6 continuous outputs 0 4 20mA 0 2 10V Interface by external module for load lt 500 Q as setting or signal output l Profibus Modbus Ethernet 99 s up to 3 logic outputs 0 24V max 40 mA alternatively See also data sheets 99 16 outputs open collector max 24 V 100 mA subject to alterations 902_ve doc 1110307 kfm Industry controller type 902 93 B 902 E Technical data Page 2 of 2 Characteristics parameters dep on sub type stage controller inverted Adjustment on parameter level code locked on K2 K1 pr
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