General information
Product type designationSM 1223, DI 8x 24 V DC, DQ 8x relay
based on6ES7223-5PH50-0XB0
Supply voltage
Rated value (DC)24 V
permissible range, lower limit (DC)20.4 V
permissible range, upper limit (DC)28.8 V
Input current
from backplane bus 5 V DC, max.105 mA
Digital inputs
from load voltage L+ (without load), max.4.1 mA; per channel
Digital outputs
from load voltage L+, max.9 mA; per relay coil
Power loss
Power loss, typ.4.8 W
Digital inputs
Number of digital inputs8
in groups of4
Input characteristic curve in accordance with IEC 61131, type 1Yes
all mounting positions
— up to 40 °C, max.8
horizontal installation
— up to 40 °C, max.8
— up to 50 °C, max.8
vertical installation
— up to 40 °C, max.8
Input voltage
Rated value (DC)24 V
for signal "0"5 V DC or 0.5 mA
for signal "1"15 V DC at 2.5 mA
Input current
for signal "0", max. (permissible quiescent current)1 mA
for signal "1", min.2.5 mA
for signal "1", typ.4 mA
for standard inputs
— parameterizableYes; 0.2 ms, 0.4 ms, 0.8 ms, 1.6 ms, 3.2 ms, 6.4 ms and 12.8 ms, selectable in groups of four
for interrupt inputs
— parameterizableNo
Cable length
shielded, max.500 m
unshielded, max.300 m
Digital outputs
Number of digital outputs8
in groups of8
Short-circuit protectionNo; to be provided externally
Switching capacity of the outputs
with resistive load, max.2 A
on lamp load, max.30 W with DC, 200 W with AC
Output voltage
Rated value (DC)5 V DC to 30 V DC
Rated value (AC)5 V AC to 250 V AC
Output current
for signal "1" rated value2 A
Output delay with resistive load
"0" to "1", max.10 ms
"1" to "0", max.10 ms
horizontal installation
— up to 50 °C, max.16 A; Current per mass
Relay outputs
Number of relay outputs8
Rated supply voltage of relay coil L+ (DC)24 V
Number of operating cycles, max.mechanically 10 million, at rated load voltage 100 000
Switching capacity of contacts
— with inductive load, max.2 A
— on lamp load, max.30 W with DC, 200 W with AC
— with resistive load, max.2 A
Cable length
shielded, max.500 m
unshielded, max.150 m
Interrupts/diagnostics/status information
Diagnostics functionYes
Alarms
Diagnostic alarmYes
Diagnoses
Monitoring the supply voltageYes
Diagnostics indication LED
for status of the inputsYes
for status of the outputsYes
for maintenanceYes
Potential separation digital inputs
between the channels, in groups of4
between the channels and backplane busYes; 707 V DC (type test)
Potential separation digital outputs
between the channelsRelays
between the channels, in groups of8
between the channels and backplane busYes; 4 200 V DC (type test)
Isolation
Isolation tested with2 545 V DC (type test) and according to EN 50155 (routine test)
Degree and class of protection
IP degree of protectionIP20
Standards, approvals, certificates
Siemens Eco Profile (SEP)Siemens EcoTech
Ecological footprint
environmental product declarationYes; type 2 acc. to ISO 14021
Global warming potential
— global warming potential, (total) [CO2 eq]40.3 kg
— global warming potential, (during production) [CO2 eq]7.79 kg
— global warming potential, (during operation) [CO2 eq]32.5 kg
— global warming potential, (after end of life cycle) [CO2 eq]-0.089 kg
Railway application
EN 50121-3-2Yes; EMC for rail vehicles
EN 50121-4Yes; EMC for signal and telecommunications systems
EN 50124-1Yes; railway applications - overvoltage category OV2; pollution degree PD2; UNm = AC 250 V
EN 50125-1Yes; Rail vehicles - see ambient conditions
EN 50125-2Yes; Stationary electrical equipment - see ambient conditions
EN 50125-3Yes; Signal and telecommunications systems - see ambient conditions; vibrations and shocks: Application point outside of tracks (1 m to 3 m away from track)
EN 50155Yes; Rail vehicles - temperature class OT4, ST1/ST2, horizontal mounting position
EN 61373Yes; Rail vehicles - vibrations and shocks: Category 1 Class A/B
Fire protection acc. to EN 45545-2Yes; For proof of conformity, see Service & Support
Free fall
Fall height, max.0.3 m; five times, in product package
Ambient temperature during operation
min.-40 °C
max.40 °C; at max. voltages and max. specifications
horizontal installation, min.-40 °C; incl. condensation/frost
horizontal installation, max.70 °C; at rated voltages, 50% of max. specification and alternating IO active; +85 °C for 10 min (OT4, ST1/ST2 acc. to EN 50155)
vertical installation, min.-40 °C
vertical installation, max.50 °C; at rated voltages, 50 % of max. specification and alternate IO active
Ambient temperature during storage/transportation
min.-40 °C
max.70 °C
Air pressure acc. to IEC 60068-2-13
Operation, min.540 hPa
Operation, max.1 140 hPa
Storage/transport, min.540 hPa
Storage/transport, max.1 140 hPa
Altitude during operation relating to sea level
Installation altitude, min.-1 000 m
Installation altitude, max.2 000 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
Vibrations
Vibration resistance during operation acc. to IEC 60068-2-63.5 mm from 5 - 8.4 Hz, 1g from 8.4 - 150 Hz
Operation, tested according to IEC 60068-2-6Yes
Shock testing
tested according to IEC 60068-2-27Yes; IEC 68, Part 2-27 half-sine: strength of the shock 15 g (peak value), duration 11 ms
Coolants and lubricants
— Resistant to commercially available coolants and lubricantsYes; Incl. diesel and oil droplets in the air
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 60068-2-52 (severity degree 3)
— to mechanically active substances according to EN 60721-3-5Yes; Class 5S3 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)
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
Electronic equipment on rolling stock acc. to EN 50155Yes; class PC2 protective coating acc. to EN 50155
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
Connection method
required front connectorNo
Mechanics/material
PlasticYes
Dimensions
Width30 mm
Height125 mm
Depth100 mm
Weights
Weight, approx.194 g
Other
Note:for use in railway applications, also observe the product information "SIPLUS extreme RAIL" A5E37661960A, Online Support article 109736776