6ES7 321-7RD00-0AB0

Supply voltages

Load voltage L+

• Rated value (DC)

24 V

Current consumption

from load voltage L+ (without load), max.

50 mA

from backplane bus 5 V DC, max.

80 mA

Power losses

Power loss, typ.

1.1 W

Connection method

required front connector

20-pin

Digital inputs

Number of NAMUR inputs

4

Input voltage

• Rated value, DC

8.2 V; from internal power circuit supply

Input current

• on wire break, max.

0.1 mA

• on short -circuit, max.

8.5 mA

• for NAMUR encoders

• for signal "0"

0.35 to 1.2 mA

• for signal "1"

2.1 to 7 mA

Input delay (for rated value of input voltage)

• Input frequency (with a time delay of 0.1 ms), max.

2 kHz

• for NAMUR inputs

• parameterizable

Yes; 0.1 / 0.5 / 3 / 15 / 20 ms (plus 0.25 ms preparation time)

Cable length

• Cable length unshielded, max.

200 m

Encoder supply

Output voltage

via the inputs

Encoder

Connectable encoders

• NAMUR encoder

Yes; Two-wire connection

Ex(i) characteristics

Max. values of input circuits (per channel)

• Co (permissible external capacity), max.

3 µF

• Io (short-circuit current), max.

14.1 mA

• Lo (permissible external inductivity), max.

100 mH

• Po (power of load), max.

33.7 mW

• Uo (output no-load voltage), max.

10 V

Interrupts/diagnostics/status information

Diagnoses

• Diagnostic information readable

Yes

Galvanic isolation

Galvanic isolation digital inputs

• Galvanic isolation digital inputs

Yes

• between the channels, in groups of

1

Standards, approvals, certificates

Type of protection acc. to EN 50020 (CENELEC)

[EEx ib] IIC

Type of protection acc. to FM

Class II, Division 2, Group A, B, C, D T4

Test number PTB

Ex-96.D.2094X

Dimensions and weight

Weight

• Weight, approx.

230 g