General information
Product type designationSM 1223, DI 16x24 V DC, DQ 16x relay
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
Current consumption, typ.175 mA
from backplane bus 5 V DC, max.160 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.8.2 W
Digital inputs
Number of digital inputs16
in groups of4
Sourcing/sinking inputYes
Input characteristic curve in accordance with IEC 61131, type 1Yes
all mounting positions
— up to 40 °C, max.16
horizontal installation
— up to 40 °C, max.16
— up to 50 °C, max.16
vertical installation
— up to 40 °C, max.16
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 outputs16
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 outputs16
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
DIAG LEDYes
for status of the inputsYes
for status of the outputsYes
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 with1500 V AC (type test)
Degree and class of protection
IP degree of protectionIP20
Standards, approvals, certificates
CE markYes
CSA approvalNo
UL approvalYes
cULusYes
FM approvalNo
RCM (formerly C-TICK)Yes
KC approvalYes
Marine approvalNo
Free fall
Fall height, max.0.3 m; five times, in product package
Ambient temperature during operation
min.-20 °C; No condensation
max.40 °C; at max. voltages and max. specifications
horizontal installation, min.-20 °C; No condensation
horizontal installation, max.60 °C; at rated voltages, 50 % of max. specification and alternate IO active
vertical installation, min.-20 °C; No condensation
vertical installation, max.50 °C; at rated voltages, 50 % of max. specification and alternate IO active
permissible temperature change5°C to 55°C, 3°C / minute
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.4 000 m; Restrictions for installation altitudes > 2 000 m, see manual
Relative humidity
Operation at 25 ℃ without condensation, max.95 %
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
Pollutant concentrations
SO2 at RH < 60% without condensationS02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60 % condensation-free
Connection method
required front connectorNo
Mechanics/material
plasticYes
Dimensions
Width50 mm
Height125 mm
Depth100 mm
Weights
Weight, approx.311 g