Technical data

Technical data

EL2521

EL2521-0024

EL2521-0124

EL2521-0025

Digital outputs

1 channel (2 differential outputs A, B)

1 channel (2 potential-free FET outputs)

1 channel (2 FET outputs)
1 x 24 V output

1 channel (2 potential-free FET outputs),
negative switching

Digital inputs

2 (+T, +Z)

1 x latch input (5..24 VDC)

2 (+T, +Z)

Signal voltage

RS422 level

5..24 VDC, external supply

24 VDC, external supply

5..24 VDC, external supply

Load type

RS422 and optocoupler, min. 120 Ω

variable

Output current max. (per channel)

50 mA, RS485 specification

max. 1 A

Switching threshold, "T" and "Z" inputs

High: >5 V (max. 24 VDC), Low: <1 V

Base frequency

0 ... 500 kHz, Default: 50 kHz

Resolution

max. 15 bit

Step size

10 mHz

Voltage supply for electronic

via the E-bus

Current consumption via E-bus

typ. 280 mA (load-dependent)

Electrical isolation

500 V (E-bus/field voltage)

Bit width in process image

def. 16 bit Data in, 16 bit Data out, 16 bit Control, 16 bit Status

Configuration

via TwinCAT System Manager

Weight

approx. 55 g

Permissible ambient temperature range during operation

0°C ... + 55°C

Permissible ambient temperature range during storage

-25°C ... + 85°C

Permissible relative humidity

95 %, no condensation

Dimensions (W x H x D)

approx. 15 mm x 100 mm x 70 mm

Mounting

on 35 mm mounting rail conforms to EN 60715

Enhanced mechanical load capacity

Yes, see also installation instructions for enhanced mechanical load capacity

Vibration/shock resistance

conforms to EN 60068-2-6 / EN 60068-2-27

EMC immunity/emission

conforms to EN 61000-6-2 / EN 61000-6-4

Protection class

IP20

Installation position

variable

Approvals/markings*)

CE, EAC, UKCA
ATEX
cULus

*) Real applicable approvals/markings see type plate on the side (product marking).

Ex marking

Standard

Marking

ATEX

II 3 G Ex nA IIC T4 Gc