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Siemens Simatic S7-400 User Manual

Page 215

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Digital Modules

4-93

S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07

Technical Specifications of the SM 422; DO 16

30/230 VUC/Rel. 5 A

Programming package

Associated programming
package

As of STEP 7 V 2.0

Dimensions and Weight

Dimensions W

H

D

(in millimeters)

25

290

210

Weight

Approx. 700 g

Data for Specific Module

Number of outputs

16

Length of cable

Unshielded

Shielded

Max. 600 m

Max. 1000 m

Voltages, Currents, Potentials

Total current of the outputs
(per group)

Up to 40

o

C

Up to 60

o

C

With fan subassembly

Max. 10 A

10 A

Max. 5 A

10 A

Isolation

Between channels and
backplane bus

Yes

Between the channels

In groups of

Yes

2

Permitted potential
differences:

Between the outputs of
the different groups

500 VAC

Insulation resistance

4000 VAC

Current consumption

From the backplane bus

Max. 1 A

Power dissipation of the
module

Typ. 4.5 W

Status, Interrupts, Diagnostics

Status display

Interrupt

Diagnostic functions

Green LED per channel

None

None

Relay Features

Relay response times

Power up

Power down

Debouncing time

Max. 10 ms

Typ. 5.5 ms

Max. 5 ms

Typ. 3 ms

Typ. 0.5 ms

Data for Selecting an Actuator

Continuous thermal current

Max. 5 A

Minimum load current

10 mA

External fuse for relay outputs

Fuse, 6 A, quick-acting

Switching capacity and lifetime of the contacts

For resistive load

Voltage

Current

No. of
switching
cyc. (typ.)

30 VDC
60 VDC
125 VDC
230 VAC

5.0 A
1.2 A
0.2 A
5.0 A

0.18 mill
0.1 mill
0.1 mill
0.18 mill

For inductive load to IEC 947-5-1
13 DC/15 AC

Voltage

Current

No. of
switching
cyc. (typ.)

30 VDC

(

t

=7 ms max.)

5.0 A

0.1 mill

230 VAC

(pf=0.4)

5.0 A

0.1 mill

Size of the motor starter

Max. size 5 to NEMA

Lamp load

Max. 60 W

Contact protection (internal)

None

Connecting two outputs in parallel

For redundant actuation of
a load

Possible (only outputs
with identical load
voltage)

To increase performance

Not possible

Triggering a digital input

Possible

Switch rate

Mechanical

Max. 20 Hz

For resistive load

Max. 10 Hz

For inductive load to
IEC 947-5-1, 13 DC/15
AC

1 Hz

For lamp load

1 Hz

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