Siemens SIMATIC S5 Equipment Manual

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Matching Module 4 for Absolute Encoders R 02/927.3.9 Configuration At–A-GlanceElement As delivered FunctionC1-clcl l Connection to gray code encodersGray BCD/BINq o - c l Connection to encoders with BCD or binary codeGray BCD/BIN? Input interface RS 422 or RS 465 with:Position “R” closed l Encoder connection at receiverPosition “O” closed Encoder connection via current loop (opto coupler)W*in position[to l Incrementing values for encoder shaft in “right” rotationin position In Incrementing values for encoder shaft in “left” rotation/.open l Control bit from encoder not availableclosed Control bit from encoder availableopen l Encoder presents fault message “high” for control bit evaluationclosed Encoder presents fault message “low” for control bit evaluationT’ Selection of code types for actual encoder values by “BR1”(see section 7.3.1)S5.1 S5.2 Actual encoder value Transfer to basic module Transfer@@to PLC:open open Gray/Binary < = 10 bits Bina“7 BCD(QUIC BCD conv. 1 msec.)closed open l Gray/Bina~ e = 10 bits&%?’B$?D~nv.3msec. ) @ :::closed open l Gray/Binaqr to 17 bits (?I%%CD conv. 3-13 msec.)closed closed Gray/Binary >17 bits Binary~~}%D conversion possible)closed closed BCD BCD100 Q Matching as required (see section 7.3.5)1.3 k ~ Matching as required (see section 7.3.2)I IJumper or switch settings deviating from those shown above are illegal!@ Internally a two’s complement representation is used; no switch–over during@ Avoid long processing time!~ @ BCD conversion can be switched off by closing switches S5.1 and S5.2.7 – 14 IP 241 Equipment Manual@ Siemens AG 1989, Order No.: 6ES5 998-0KD21Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com