EL1254 - Technical data

digital inputs

4

Nominal voltage of the inputs

24 V_DC (-15%/+20%)

Signal voltage "0"

-3 V … +5 V
(based on EN 61131-2, type 3)

Signal voltage "1"

+11 V … +30 V
(based on EN 61131-2, type 3)

Input current

typ. 3 mA
(based on EN 61131-2, type 3)

Input filter

1 µs

Input delay T_ON/T_OFF

< 1 µs

Time stamp resolution

1 ns

Time stamp accuracy in the terminal

10 ns (+ input delay)

Distributed Clocks (DC) accuracy

<< 1 µs

Power supply for the electronics

via the E-Bus

Current consumption from the E-bus

typ. 110 mA

Electrical isolation

500 V (E-bus/field voltage)

Bit width in the process image

4 input bits + 4 x 16 byte timestamp

Configuration

no address or configuration settings required

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 (width aligned: 12 mm)

Mounting

on 35 mm mounting rail conforms to EN 60715

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

Marking / Approval^*)

CE, EAC, UKCA