Digital modules - SM 321 digital input

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Digital modules - SM 321 digital input

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Digital input modules can be used to connect the PLC to digital process signals. They are suitable for connecting standard switches and two-wire proximity switches (BERO).

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  1. CA 01 Digital modules - SM 321 digital input Digital modules - SM 321 digital input Overview Digital inputs For connecting standard switches and two-wire proximity switches (BERO) Application Digital input modules can be used to connect the PLC to digital process signals. They are suitable for connecting standard switches and two-wire proximity switches (BERO). Design Digital input modules are characterized by the following mechanical features: Compact configuration: The rugged plastic housing contains: Green LEDs to indicate signal states at the inputs Slot for front connector, protected by a front cover Labeling area on the front cover. Easy installation: There are no slot rules; the addresses of the inputs are predetermined by the slot. When they are used in the ET 200M in combination with active bus modules, hot-swapping is possible. User-friendly wiring Function Digital input modules convert the levels of the external digital signals from the process into the internal signal level of the PLC. Technical specifications Seite 1 von 5
  2. CA 01 Digital modules - SM 321 digital input 6ES7 321-1BH02-0AA0 6ES7 321-1BH50-0AA0 6ES7 321-1BL00-0AA0 6ES7 321-1BH10-0AA0 Voltages and currents Load voltage L+ Rated value (DC) 24 V 24 V 24 V 24 V Current consumption from load voltage L+ (no load), 25 mA max. from backplane bus 5 V DC, 10 mA 10 mA 15 mA 110 mA max. Power dissipation, typical 3.5 W 3.5 W 6.5 W 3.8 W Connection system Requisite front connector 20-pin 20-pin 40-pin 20-pin Clock synchronism Clock synchronous operation No No No Yes Digital inputs Number of digital inputs 16 16 32 16 Number of inputs that can be driven in parallel vertical mounting positions up to 40°C 16 16 32 16 horizontal mounting positions up to 40°C 32 up to 60°C 16 16 16 16 Length of cable Length of cable shielded, 1,000 m 1,000 m 1,000 m 1,000 m max Length of cable unshielded, 600 m 600 m 600 m 600 m max Input characteristic to comply Yes Yes Yes Yes with IEC 1131, Type 1 Input voltage Rated value, DC 24 V 24 V 24 V 24 V for signal "0" -30 V to 5 V 30 V to -5 V -30 to 5 V -30 V to 5 V for signal "1" 13 to 30 V -13 to -30 V 13 to 30 V 13 to 30 V Input current for 1 signal, typical 7 mA 7 mA 7 mA 7 mA Input delay (at rated value of the input voltage) For standard inputs at 0 to 1, min. 1.2 ms 1.2 ms 1.2 ms 25 µs at 0 to 1, max. 4.8 ms 4.8 ms 4.8 ms 75 µs Sensor Connectable encoders 2-wire BEROS Yes Yes Yes Yes permissible closed-circuit 1.5 mA 1.5 mA 1.5 mA 1.5 mA current (2-wire BEROS), max. Status information/ interrupts/ diagnostics Interrupts Interrupts No No No No Diagnostics Diagnostic functions No No No No Diagnostic display LED Status display digital input Yes Yes Yes Yes (green) Insulation Insulation tested with 500 V DC 500 V DC 500 V DC 500 V DC Potentials/ electrical isolation Digital input functions between the channels Yes between the channels, in 16 16 16 16 groups of between the channels and Yes; Optocoupler Yes; Optocoupler Yes; Optocoupler Yes; Optocoupler the backplane bus Dimensions and weight Width 40 mm 40 mm 40 mm 40 mm Height 125 mm 125 mm 125 mm 125 mm Depth 120 mm 120 mm 120 mm 120 mm Weight, approx. 200 g 200 g 260 g 200 g Seite 2 von 5
  3. CA 01 Digital modules - SM 321 digital input 6ES7 321-7BH01-0AB0 6ES7 321-1CH00-0AA0 6ES7 321-1CH20-0AA0 6ES7 321-1FH00-0AA0 Voltages and currents Load voltage L+ Rated value (DC) 24 V 24 V 48 V Load voltage L1 Rated value (AC) 24 V 230 V Current consumption from load voltage L+ (no load), 90 mA max. from backplane bus 5 V DC, 130 mA 100 mA 40 mA 29 mA max. Power dissipation, typical 4W 1.5 W 4.3 W 4.9 W Connection system Requisite front connector 20-pin 40-pin 20-pin 20-pin Clock synchronism Clock synchronous operation Yes No No No Digital inputs Number of digital inputs 16 16 16 16 Number of inputs that can be driven in parallel vertical mounting positions up to 40°C 16 16 8 16 horizontal mounting positions up to 50°C 8 up to 60°C 16 16 8 16 Length of cable Length of cable shielded, 1,000 m 1,000 m 1,000 m 1,000 m max Length of cable unshielded, 600 m 600 m 600 m 600 m max Input characteristic to comply Yes Yes Yes with IEC 1131, Type 1 Input characteristic to comply Yes with IEC 1131, Type 2 Input voltage Rated value, AC 24 V; 24 or 48 V AC 230 V; 120/230 V AC Rated value, DC 24 V 24 V; 24 to 48 V DC 48 V; 48 to 125 V DC for signal "0" -30 to 5 V -5 to 5 V AC -146 V DC to 15 V DC 0 to 40 V for signal "1" 13 to 30 V 14 to 60 V AC 30 to 146 V DC 79 to 264 V Frequency range 0 to 63 Hz 47 to 63 Hz Input current for 1 signal, typical 7 mA 2.7 mA 3.5 mA 8 mA; (120 V, 60 Hz), 16mA (230 V, 50 Hz) Input delay (at rated value of the input voltage) For standard inputs Parameterizable Yes No No at 0 to 1, min. 0.1 ms at 0 to 1, max. 16 ms 3.5 ms 25 ms Sensor Connectable encoders 2-wire BEROS Yes Yes Yes Yes permissible closed-circuit 2 mA 1 mA 1 mA 2 mA current (2-wire BEROS), max. Status information/ interrupts/ diagnostics Interrupts Interrupts Yes No No No Diagnostic interrupt Yes; parameterizable No No No Process interrupt Yes; parameterizable No No No Diagnostics Diagnostic functions Yes; parameterizable No No No Diagnostic display LED Status display digital input Yes Yes Yes Yes (green) Insulation Insulation tested with 500 V DC 1500 V AC 1500 V DC 4000 V DC Potentials/ electrical isolation Digital input functions between the channels Yes Yes Yes between the channels, in 16 1 8 4 groups of between the channels and Yes; Optocoupler Yes; Optocoupler Yes; Optocoupler Yes; Optocoupler the backplane bus Seite 3 von 5
  4. CA 01 Digital modules - SM 321 digital input Dimensions and weight Width 40 mm 40 mm 40 mm 40 mm Height 125 mm 125 mm 125 mm 125 mm Depth 120 mm 120 mm 120 mm 120 mm Weight, approx. 200 g 260 g 200 g 240 g 6ES7 321-1EL00-0AA0 6ES7 321-1FF01-0AA0 6ES7 321-1FF10-0AA0 Voltages and currents Load voltage L1 Rated value (AC) 120 V 230 V 230 V Current consumption from backplane bus 5 V DC, max. 16 mA 29 mA 100 mA Power dissipation, typical 4W 4.9 W 4.9 W Connection system Requisite front connector 40-pin 20-pin 40-pin Clock synchronism Clock synchronous operation No No No Digital inputs Number of digital inputs 32 8 8 Number of inputs that can be driven in parallel vertical mounting positions up to 40°C 32 8 8 horizontal mounting positions up to 40°C 32 up to 60°C 24 8 8 Length of cable Length of cable shielded, max 1,000 m 1,000 m 1,000 m Length of cable unshielded, max 600 m 600 m 600 m Input characteristic to comply with IEC Yes Yes 1131, Type 1 Input characteristic to comply with IEC Yes 1131, Type 2 Input voltage Rated value, AC 120 V 230 V; 120/230 V AC 120 V; 120/230 V AC for signal "0" 0 to 20 V 0 to 40 V 0 to 40 V for signal "1" 74 to 132 V 79 to 264 V 79 to 264 V Frequency range 47 to 63 Hz 47 to 63 Hz 47 to 63 Hz Input current for 1 signal, typical 21 mA 6.5 mA; (120 V); 11mA (230 V) 7.5 mA; (120 V); 17.3 mA (230 V) Input delay (at rated value of the input voltage) For standard inputs Parameterizable No No No at 0 to 1, max. 15 ms 25 ms 25 ms Sensor Connectable encoders 2-wire BEROS Yes Yes Yes permissible closed-circuit current (2- 4 mA 2 mA 2 mA wire BEROS), max. Status information/ interrupts/ diagnostics Interrupts Interrupts No No No Diagnostic interrupt No No No Process interrupt No No No Diagnostics Diagnostic functions No No No Diagnostic display LED Status display digital input (green) Yes Yes Yes Insulation Insulation tested with 2500 V DC 4000 V DC 1500 V AC Potentials/ electrical isolation Digital input functions between the channels Yes Yes Yes between the channels, in groups of 8 2 1 between the channels and the Yes; Optocoupler Yes; Optocoupler Yes; Optocoupler backplane bus Dimensions and weight Width 40 mm 40 mm 40 mm Height 125 mm 125 mm 125 mm Depth 120 mm 120 mm 120 mm Seite 4 von 5
  5. CA 01 Digital modules - SM 321 digital input Weight, approx. 300 g 240 g 240 g Seite 5 von 5
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