Products for Totally Integrated Automation and Micro ... - Siemens

SIMATIC S7-300F digital / analog modules© Siemens AG 2010SM 326 F digital input module - Safety Integrated■ Overview• Digital inputs for the fail-safe SIMATIC S7 systems• They are suitable for connecting:- Switches and 2-wire proximity switches (BEROs)- Sensors according to NAMUR and mechanical contacts,also for signals from hazardous areas• With integral safety functions for fail-safe operation• Can be used in fail-safe mode- Centrally: With S7-31xF-2 DP- Distributed in ET 200M: With SIMATIC IM 151-7 F-CPU,S7-31xF-2 DP, S7-416F-2 and S7-400F/FH• Can be used in standard mode as an S7-300 module5■ Technical specifications6ES7 326-1BK02-0AB0Supply voltagesSupply voltage of electronics andencoders 1L+/2L+• Rated value (DC)24 VCurrent consumptionfrom load voltage L+ (without load), 450 mAmax.from backplane bus 5 V DC, max. 100 mAPower lossPower loss, typ.10 WConnection methodrequired front connector40-pinDigital inputsNumber of digital inputs 24Number of simultaneously controllableinputs• all mounting positions- Concurrently controllable inputs, 24up to 40 °C- Concurrently controllable inputs, 24; (at 24 V) or 18 (at 28.8 V)up to 60 °CInput voltage• Rated value, DC24 V• for signal "0"-30 to +5 V• for signal "1"11 to 30 VInput current• for signal "0", max. (permissible 2mAquiescent current)• for signal "1", typ.10 mAInput delay (for rated value of inputvoltage)• for standard inputs- at "0" to "1", max. 3.4 ms- at "1" to "0", max. 3.4 msCable length• Cable length, shielded, max. 200 m• Cable length unshielded, max. 100 mEncoder supplyNumber of outputsOutput current, rated valueEncoderConnectable encoders• 2-wire BEROS- permissible quiescent current(2-wire BEROS), max.Ex(i) characteristicsMax. values of input circuits (perchannel)• Ta (permissible ambienttemperature), max.Interrupts/diagnostics/statusinformationAlarms• Diagnostic alarmDiagnoses• Diagnostic information readableIsolationIsolation checked withGalvanic isolationGalvanic isolation digital inputs• between the channels6ES7 326-1BK02-0AB04; Isolated400 mAYes; if short-circuit test isdeactivated2mA60 °CYesYesYes• between the channels, in groups of 12• between the channels and the backplaneYesbusStandards, approvals, certificatesHighest safety class achievable insafety mode• to DIN VDE 0801 AK 6• acc. to EN 954 Cat. 4• acc. to IEC 61508 SIL 3500 V DC / 350 V AC5/34 Siemens ST 70 N · 2010