10.07.2015 Views

Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

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8.6 Operating Using Position Control(2) Connection Example(a) Connection Example for Line-driver OutputApplicable line driver: SN75174 manufactured by Texas Instruments Inc., or MC3487 or equivalentHost controllerLinedriver∗PULS/PULSSERVOPACKCN1Photocoupler78150ΩSIGN/SIGNCLR/CLR11121514150Ω150Ω* : Represents twisted-pair wires.(b) Connection Example for Open-collector OutputSelect the limit resistance R1 value so that the input current i will be within 7 to 15 mA.Host controllerVccR1R1R1iii∗PULS/PULSSIGN/SIGNCLR/CLRSERVOPACKCN17 Photocoupler150Ω811150Ω1215150Ω14Example• When Vcc is +24V: R1=2.2 kΩ• When Vcc is +12V: R1=1 kΩ• When Vcc is +5V: R1=180 ΩNote: When the open-collector output is used,the signal logic is as follows:When Tr1 is ONWhen Tr1 is OFFHigh level input or equivalentLow level input or equivalent* : Represents twisted-pair wires.88-55

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