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Part numberDescription
6ES7321-1BH81-0AA0
SM 321, 16 *DC 24V, optically isolated
6ES7321-1BH82-0AA0
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 16 DI, 24V DC, 20 PIN
6ES7321-1BL00-0AA0
SIMATIC S7-300, Digital input SM 321, Isolated 32 DI, 24 V DC, 1x 40-pole
6ES7321-1BL80-0AA0
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 32DI, 24V DC (1 X 32DI), 40 PIN
6ES7321-1BP00-0AA0
SIMATIC S7-300 digital input SM 321, Isolated in groups of 16, 64 DI, 24 V DC, 3ms, Sink/source input Terminal blocks 6ES7392-1.N00-0AA0…
6ES7321-1CH00-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 24-48 V AC/DC with single rooting, 1x 40-pole
6ES7321-1CH20-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 16 DI, 48-125 V DC, 1x 20-pole
6ES7321-1CH80-0AA0
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 16 DI, DC 48 – 125V, 20 PIN
6ES7321-1EH00-0AA0
SM 321, 16*AC 120V, optically isolated
6ES7321-1EH01-0AA0
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, 16 DI, 120V AC, 20 PIN
6ES7321-1EL00-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 32 DI, 120 V AC, 1x 40-pole
6ES7321-1FF00-0AA0
SM 321, 8*AC120/230V, optically isolated
6ES7321-1FF01-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 8 DI, 120 V/230 V AC, 1x 20-pole
6ES7321-1FF10-0AA0
SIMATIC S7-300, Digital input SM 321, isolated, 8 DI, 120 V/230 V AC, 1x 40-pole, with single rooting/channel
6ES7321-1FF81-0AA0
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 8 DI, 120V/230V AC, 20 PIN
6ES7321-1FH00-0AA0
SIMATIC S7-300, Digital input SM 321, Isolated 16 DI, 120/230 V AC, 1x 20-pole
6ES7321-7BH00-0AB0
SM 321, 16*DC 24V, with interrupts
6ES7321-7BH01-0AB0
SIMATIC S7-300, Digital input SM 321, isolated, 16 DI; 24 V DC, 1x 20-pole, process interrupt, diagnostics, suitable for isochronous mode
6ES7321-7BH80-0AB0
SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 16 DI, 24V DC, 20 PIN, PROCESS INTERRUPT, DIAGNOSTICS,
6ES7321-7EH00-0AB0
SIMATIC S7/PCS 7 SM 321 digital input, 16 DI; 24/125 V DC, 1 x 40-pole, interface with wire break diagnostics, hardware interrupt…