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Cisco Systems Catalyst 2955 Installation Manual Switch

IEC 1131-2 9 Altitude 2,000 m or less 10 Pollution 2 11 Cooling method Air-cooling REMARK 1) IEC(International Electromechanical Commission) : An international civilian institute who acc. to IEC 1131-2) (up to 500 kHz) Interruptible inputs: 16 channels (channel 4 to 19) Optical isolation: 1000 V through opto-couplers, from PC to peripheral Nominal voltage: 5 V Input current: Channel 0-3: 8.5 mA at 5 V, typ. Channel 4-31: 5.9 mA at 5 V, typ. Input frequency (max.): Channel 0-3: 500 kHz at 5 V Channel 4-31: 5 kHz at 5 V logic (IEC 1131-2),or SPST (Form A) electromechanical relay outputs ¥ Up tp 1 µs output rate for ultrahigh-speed control,pulse-width modulation (PWM),or long-distance digital communication ¥ Isolation up to 2,300 Vrms (withstand),up to 250 Vrms (continuous) ¥ Externally powered with high current-switching capacity (up to 2013-09-13 NATIONAL FOREWORD This Indian Standard which is identical to IEC Publication 1131-2 (1992), issued by the International Electrotechnical Commission (IEC), was adopted by the Bureau of Indian Standards on the recommen- dation of the Industrial Process Measurement and Control Sectional Committee (ET 18)and approval of the Electrotechnical Division Council.

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IEC 664. NF C 63-850. UL 508. UL 746C. 1500 V AC at 50/60 Hz 1 minute, primary/secondary. 500 V DC 1 minute, between group of channels. Object IEC 1131-2 Subclause See Page in IEC Specifications Manual Total response time(s) formula 4.2.3 User’s Manual EM267 pages A-7 to A-11 Equipment ambient temperature limits Note 3 of 2.1.1.1 5 IEC 1131-2 IEC 664 NF C 63-850 UL 508 UL 746C Dielectric strength 500 V DC 1 minute, between group of inputs and outputs 1500 V AC at 50/60 Hz 1 minute, primary/secondary IEC-1131-2 Pollution degree 2 protection.

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24 V DC (18…30,2 V), to EN 61131-2, < 1,6 A; overload protected. Compliance with IEC 1131-2 type 1.

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Märkström, 16 A. IEC 1131-2 type 1 logic for motors, valves and alarm controls.

Iec 1131-2

IEC 1131-2.
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16 ingångar enligt IEC 1131-2 typ 2 ingångar. testad enligt EN 55011; gränsvärdesklass se. "Manual elektronik" testad enligt EN 50082-2. Digitala ingångar. - utförande.

This Indian Standard which is identical to IEC Publication 1131-2 (1992), issued by the International Electrotechnical Commission (IEC), was adopted by the Bureau of Indian Standards on the recommen- dation of the Industrial Process Measurement and Control Sectional Committee (ET 18)and approval of Document Number. IEC-1131-2. Revision Level. 1ST EDITION.
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KOMMISSIONEN - EUR-Lex

Allow enough space within the enclosure for adequate ventilation. Consider the IEC 1131-2 IEC 664 NF C 63-850 UL 508 UL 746C Dielectric strength 500 V DC 1 minute, between group of inputs and outputs 1500 V AC at 50/60 Hz 1 minute, primary/secondary programming languages specified in IEC 1131.


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PCD4. Page 8-22. SAIA-Burgess Electronics Ltd. (D4-80-E. DOC) 26/734 E7. Conforms to standards. IEC 1131-2.