| SIMATIC S7-1200, DIGITAL I/O SM 1223, 8DI AC / 8DO RLY, 8DI 120/230 V AC, 8DO, RELAY 2A |
|
Supply voltage |
24 V DC | Yes |
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. | 120 mA |
Output voltage |
Power supply to the transmitters |
present | Yes |
Power losses |
Power loss, typ. | 7.5 W |
Digital inputs |
Number/binary inputs | 8 |
In groups of | 4 |
Input characteristic curve acc. to IEC 61131, Type 1 | Yes |
Number of simultaneously controllable inputs |
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 |
Type of input voltage | AC |
Rated value, AC | 230 V |
for signal "0" | 20 V AC at 1 mA |
for signal "1" | 79 V AC 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. | 9 mA; Typical |
Input delay (for rated value of input voltage) |
for standard inputs |
Parameterizable | Yes; 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 ms, selectable in groups of four |
for interrupt inputs |
Parameterizable | Yes |
Cable length |
Cable length, shielded, max. | 500 m |
Cable length unshielded, max. | 300 m |
Digital outputs |
Number/binary outputs | 8 |
In groups of | 2 |
Functionality/short-circuit strength | No; to be provided externally |
Switching capacity of the outputs |
with resistive load, max. | 2 A |
on lamp load, max. | 30 W DC ; 200 W AC |
Output voltage |
Rated value (AC) | 5 to 250 V AC |
Rated value (DC) | 5 to 30 V DC |
Output current |
for signal "1" permissible range, max. | 2 A |
Output delay with resistive load |
0 to "1", max. | 10 ms |
1 to "0", max. | 10 ms |
Aggregate current of outputs (per group) |
horizontal installation |
up to 50 °C, max. | 10 A; Current per mass |
Relay outputs |
Number of relay outputs | 8 |
Rated input 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 DC ; 200 W AC |
Switching frequency/contacts/at ohmic load/maximum | 2 A |
Cable length |
Cable length, shielded, max. | 500 m |
Cable length unshielded, max. | 150 m |
Interrupts/diagnostics/status information |
Alarms |
Alarms | Yes |
Diagnostic alarm | Yes |
Diagnostic messages |
Diagnostic functions | Yes |
Diagnostics indication LED |
for status of the inputs | Yes |
For status of the outputs | Yes |
for maintenance | Yes |
Status indicator digital output (green) | Yes |
Status indicator digital input (green) | Yes |
Galvanic isolation |
Galvanic isolation digital inputs |
between the channels, in groups of | 2 |
Galvanic isolation digital outputs |
between the channels | Relay |
between the channels, in groups of | 2 |
between the channels and the backplane bus | 1500 V AC for 1 minute |
Permissible potential difference |
between different circuits | 750 V AC for 1 minute |
Climatic and mechanical conditions for storage and transport |
Climatic conditions for storage and transport |
Free fall |
Drop height, max. (in packaging) | 0.3 m; five times, in dispatch package |
Temperature |
Permissible temperature range | -40 °C to +70 °C |
Air pressure acc. to IEC 60068-2-13 |
Permissible air pressure | 1080 to 660 hPa |
Mechanical and climatic conditions during operation |
Climatic conditions in operation |
Temperature |
Permissible temperature range | 0 °C to 55 °C horizontal installation 0 °C to 45 °C vertical installation |
Permissible temperature change | 5°C to 55°C, 3°C / minute |
Degree and class of protection |
IP20 | Yes |
Standards, approvals, certificates |
CE mark | Yes |
C-TICK | Yes |
FM approval | Yes |
Connection method |
required front connector | Yes |
Mechanics/material |
Type of housing (front) | |
Plastic | Yes |
Dimensions |
Width | 45 mm |
Height | 100 mm |
Depth | 75 mm |
Weight |
Weight, approx. | 230 g |
Status | Mar 12, 2012 |