Siemens Simatic S7-400 6ES7422-1BL00-0AA0 SM422 Digital Output Module OPTIC. ISOLATED, 32 DO, 24V DC, 0.5A

Dimensions and weight

Dimensions W x H x D (mm)

25 x 290 x 210

Weight

ca. 600 g

Module-specific data

Number of outputs

32

Cable length

• unshielded

600 m

• shielded

1000 m

Voltage, current and potential

Rated supply voltage of electronics L+

24 V DC

Rated load voltage L+

24 V DC

Total current of outputs (¹ to 8 outputs for each supply group)

Up to 40°C

Up to 60°C

Maximum 4 A

Maximum 2 A

Electrical isolation

• Between channels and backplane bus

Yes

• Between channels

No

Permissible potential difference

• Between different circuits

60 V DC/30 V AC (SELV)

Insulation tested at

• Channels to backplane bus and load voltage L+

500 Vac or 707 Vdc (type test)

• Load voltage L+ to backplane bus

500 Vac or 707 Vdc (type test)

Current consumption

• From backplane bus (5 V)

Maximum 200 mA

• Supply and load voltage L + (no load)

Maximum 30 mA

Module power loss

Typ. 4 W

Status, interrupts, diagnostics

Status display

Green LED per channel

Interrupts

None

Diagnostic functions

None

Data for selecting an actuator

Output voltage

• For "1" signal

At least L+ (-0.3 V)

Output current

• For "1" signal
  Rated value
  Permitted range

500 mA
5 mA to 600 mA

• For "0" signal (residual current)

Maximum 0.3 mA

Output delay (with resistive load)

• For "0" to "1"

Maximum 1 ms

• For "1" to "0"

Maximum 1 ms

Load resistance range

48 !& to 4 k!&

Lamp load

Maximum 5 W

Connection of 2 outputs in parallel

• For redundant control of a load

Possible (only outputs of the same group)

• For increasing the power

Possible (only outputs of the same group)

Control of a digital input

Possible

Switching frequency

• With resistive load

Maximum 100 Hz

• With an inductive load in accordance with IEC 947-5-1, DC 13

Maximum 2 Hz at 0.3 A
Maximum 0.5 Hz at 0.5 A

• With lamp load

Maximum 10 Hz

(Internal) limitation of inductive switch-off voltage to

Typ. - 27 V

Short-circuit protection for output

Clocked electronically

• Response threshold

Typ. 0.7 to 1.5 A

¹ A supply group always consists of 8 neighboring channels, starting from channel 0. Channels 0 to 7, 8 to 15, 16 to 23 and 24 to 32 therefore each form a supply group.