Siemens Simatic M7-400 Manual de usuario descargar pdf (Pagina 360)

Analog Modules

5-144

S7-400, M7-400 Programmable Controllers Module Specifications

A5E00069467-07

Repeat accuracy (in the steady

state at 25

°C, referred to the

output range)

" 0.05%

Output ripple; band width 0 to

50 kHz (with reference to the

output range)

" 0.05%

Status, Interrupts, Diagnostics

Interrupts None

Diagnostic functions None

Substitute value can be applied No

Data for Selecting an Actuator

Output ranges (rated values)

• Voltage " 10 V

0 V to 10 V

1 V to 5 V

• Current " 20 mA

0 mA to 20 mA

4 mA to 20 mA

Load resistance (in the nominal

range of the output)

• For voltage outputs Min. 1 k

– capacitive load Max. 1 F

• For current outputs Max. 500 

00  with reduced

U

CM

to < 1 V

– Inductive load Max. 1 mH

Voltage outputs

• Short-circuit protection Yes

• Short-circuit current Max. 30 mA

Current outputs

• No-load voltage Max. 19 V

Destruction limit for voltages/

currents connected from

outside

• Voltage at outputs to M

ANA

Max. 20 V continuous

75 V for 1 ms (cycle

factor 1 : 20)

• Current Max. 40 mA

continuous

Connection of actuators

• For voltage output

– Two-conductor

connection

Possible, without

compensation for

circuit resistance

– Four-conductor

connection

(measuring circuit)

Possible

• For current output

– Two-conductor

connection

Possible

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