| SIMATIC S7-300, DIGITAL OUTPUT SM 322, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 8 DO (RELAY OUTPUTS), 40 PIN, 24V DC, 5A OR 230V AC, 5A |
|
Supply voltage |
Load voltage L+ |
permissible range, lower limit (DC) | 24 V |
permissible range, upper limit (DC) | 120 V |
Load voltage L1 |
permissible range, lower limit (AC) | 24 V |
permissible range, upper limit (AC) | 230 V |
Input current |
from load voltage L+ (without load), max. | 125 mA |
from load voltage L1 (without load), max. | 125 mA |
from backplane bus 5 V DC, max. | 40 mA |
Power losses |
Power loss, typ. | 4.2 W |
Digital outputs |
Number/binary outputs | 8; Relay |
Switching frequency |
with resistive load, max. | 2 Hz |
with inductive load, max. | 0.5 Hz |
on lamp load, max. | 2 Hz |
mechanical, max. | 10 Hz |
Aggregate current of outputs (per group) |
horizontal installation |
up to 60 °C, max. | 5 A |
Relay outputs |
Number of operating cycles, max. | 300000; 300000 (24 V DC, at 2 A); 200000 (120 V AC, at 3 A); 100000 (230 V AC, at 3 A) |
Switching capacity of contacts |
with inductive load, max. | 3 A; 3 A (230 V DC); 2 A (24 V AC) |
Switching frequency/contacts/at ohmic load/maximum | 8 A; 8 A (230 V DC); 5 A (24 V AC) |
Cable length |
Cable length, shielded, max. | 1000 m |
Cable length unshielded, max. | 600 m |
Galvanic isolation |
Galvanic isolation digital outputs |
between the channels, in groups of | 1 |
between the channels and the backplane bus | Yes; Optocoupler |
Isolation |
Isolation checked with | 2000 V AC |
Connection method |
required front connector | 40-pin |
Dimensions |
Width | 40 mm |
Height | 125 mm |
Depth | 120 mm |
Weight |
Weight, approx. | 320 g |
Status | Mar 12, 2012 |