General information
based on6ES7421-1BL01-0AA0
Input current
from backplane bus 5 V DC, max.20 mA
Power loss
Power loss, typ.6 W
Digital inputs
Number of digital inputs32
Input characteristic according to IEC 61131Type 1
Number of simultaneously controllable inputs
Number of simultaneously controllable inputs32
Input voltage
Type of input voltageDC
Rated value (DC)24 V
for signal "0"-30 V DC to +5 V DC
for signal "1"13 V DC to 30 V DC
Input current
for signal "0", max. (permissible quiescent current)1.3 mA
for signal "1", typ.7 mA
for standard inputs
— at "0" to "1", min.1.2 ms
— at "0" to "1", max.4.8 ms
— at "1" to "0", min.1.2 ms
— at "1" to "0", max.4.8 ms
Cable length
shielded, max.1 000 m
unshielded, max.600 m
Connectable encoders
2-wire sensorYes
— permissible quiescent current (2-wire sensor), max.1.5 mA
Interrupts/diagnostics/status information
Diagnostics functionNo
Diagnostics indication LED
Status indicator digital input (green)Yes
Potential separation digital inputs
between the channelsNo
between the channels, in groups of32
between the channels and backplane busYes
Isolation
Isolation tested with500 V AC/707 V DC, type test
Ambient temperature during operation
min.-25 °C; = Tmin
max.60 °C; = Tmax
Ambient temperature during storage/transportation
min.-40 °C
max.70 °C
Altitude during operation relating to sea level
Installation altitude above sea level, max.5 000 m
Ambient air temperature-barometric pressure-altitudeTmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)
Relative humidity
With condensation, tested in accordance with IEC 60068-2-38, max.100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation
Use in stationary industrial systems
— to biologically active substances according to EN 60721-3-3Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request
— to chemically active substances according to EN 60721-3-3Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-3Yes; Class 3S4 incl. sand, dust, *
Use on ships/at sea
— to biologically active substances according to EN 60721-3-6Yes; Class 6B2 mold and fungal spores (excluding fauna); Class 6B3 on request
— to chemically active substances according to EN 60721-3-6Yes; Class 6C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *
— to mechanically active substances according to EN 60721-3-6Yes; Class 6S3 incl. sand, dust; *
Usage in industrial process technology
— Against chemically active substances acc. to EN 60654-4Yes; Class 3 (excluding trichlorethylene)
— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)
Remark
— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04* The supplied plug covers must remain in place over the unused interfaces during operation!
Conformal coating
Coatings for printed circuit board assemblies acc. to EN 61086Yes; Class 2 for high reliability
Protection against fouling acc. to EN 60664-3Yes; Type 1 protection
Military testing according to MIL-I-46058C, Amendment 7Yes; Discoloration of coating possible during service life
Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830AYes; Conformal coating, Class A
Dimensions
Width25 mm
Height290 mm
Depth210 mm
Weights
Weight, approx.500 g