6AG1321-1CH20-2AA0

Product category
Digital modules
Manufacturer
SIEMENS
Product series
S7-300
General information
based on6ES7321-1CH20-0AA0
Product function
Isochronous modeNo
Supply voltage
Load voltage L+
Rated value (DC)48 V
permissible range, lower limit (DC)48 V
permissible range, upper limit (DC)125 V
Input current
from backplane bus 5 V DC, max.40 mA
Power loss
Power loss, typ.4.3 W
Digital inputs
Number of digital inputs16
Input characteristic curve in accordance with IEC 61131, type 1Yes
Number of simultaneously controllable inputs
all mounting positions
up to 60 °C, max.8; 6 @ Ue 146 V
up to 70 °C, max.6; 4 @ Ue 146 V
horizontal installation
up to 50 °C, max.8
up to 60 °C, max.8; 6 to Ue 146 V
Input voltage
Type of input voltageDC
Rated value (DC)48 V; 48 V DC to 125 V DC
for signal "0"-146 V DC to +15 V DC
for signal "1"30 V DC to 146 V DC
Input current
for signal "1", typ.3.5 mA
Input delay (for rated value of input voltage)
for standard inputs
parameterizableNo
at "0" to "1", min.0.1 ms
at "0" to "1", max.3.5 ms
at "1" to "0", min.0.7 ms
at "1" to "0", max.3 ms
Cable length
shielded, max.1 000 m
unshielded, max.600 m
Encoder
Connectable encoders
2-wire sensorYes
permissible quiescent current (2-wire sensor), max.1 mA
Interrupts/diagnostics/status information
AlarmsNo
Diagnostics functionNo
Alarms
Diagnostic alarmNo
Hardware interruptNo
Diagnostics indication LED
Group error SF (red)No
Status indicator digital input (green)Yes
Potential separation
Potential separation digital inputs
between the channelsNo
between the channels, in groups of8
between the channels and backplane busYes; Optocoupler
Isolation
Isolation tested with1 500 V DC
Standards, approvals, certificates
CE markYes
UL approvalYes; File E239877
RCM (formerly C-TICK)Yes
KC approvalYes
EAC (formerly Gost-R)Yes
Railway application
EN 50155Yes; Sections 4, 5 and 12; no further agreements apply; T1, Category 1, Class A/B, EN 50155:2007 (see SIOS entry 109755985)
Ambient conditions
Ambient temperature during operation
min.-25 °C; = Tmin
max.70 °C; = Tmax; for use on railway vehicles according to EN50155, the rated temperature range -25 ... +55 °C (T1) or 60 °C @ UL/ULhaz/ATEX/FM use applies
Ambient temperature during storage/transportation
min.-40 °C
max.70 °C
Altitude during operation relating to sea level
Installation altitude above sea level, max.2 000 m
Ambient air temperature-barometric pressure-altitudeTmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m)
Relative humidity
With condensation, tested in accordance with IEC 60068-2-38, max.100 %; RH incl. condensation/frost (no commissioning under condensation conditions)
Resistance
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 land craft, rail vehicles and special-purpose vehicles
to biologically active substances according to EN 60721-3-5Yes; Class 5B2 mold, fungus and dry rot spores (with the exception of fauna); Class 5B3 on request
to chemically active substances according to EN 60721-3-5Yes; Class 5C3 (RH < 75 %) incl. salt spray acc. to EN 50155 (ST2); *
to mechanically active substances according to EN 60721-3-5Yes; Class 5S3 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!
Connection method
required front connector20-pin
Dimensions
Width40 mm
Height125 mm
Depth120 mm
Weights
Weight, approx.200 g
Approvals / Certificates