Beckhoff EL2911 User Manual

Product description
EL2911 and EL2911-220024 Version: 2.0.0
4.4 Technical data
The current certificates of all TwinSAFE products with the underlying standards and directives can be found
at https://www.beckhoff.com/en-en/support/download-finder/certificates-approvals/.
Product designation EL2911 and EL2911-2200
Number of inputs 4
Number of outputs 1 (for the power and spring force contacts)
Status display 10 (one green LED for each input and output + 5 DIAG LEDs)
Response time (read input/write to E-bus) typically: 4ms,
maximum: see fault reaction time
Fault reaction time ≤ watchdog time
Cable length between sensor and terminal unshielded max. 100m (with 0.75 or 1mm²)
shielded max. 100m (with 0.75 or 1mm²)
Output current of the clock outputs typically 10mA, max. 12mA
Safe output max. 10 A (for the power and spring force contacts)
Diagnosis:
In switched-off state, external feeds are detected above 5V.
Input process image 6bytes
Output process image 6bytes
EL2911 supply voltage (PELV) 24V
DC
(–15%/+20%)
Signal voltage "0" inputs
-3V to 5V (EN61131-2, type 3) see chapter Characteristic curve of the
inputs [}25]
Signal voltage "1" inputs
11V to 30 V (EN61131-2, type 3) see chapter Characteristic curve of the
inputs [}25]
Current consumption of the module electronics at 24V
(without current consumption of sensors)
5 channels occupied: typically 29mA
0 channels occupied: typically 5mA
Current consumption via E-bus 5 channels occupied: approx. 180mA
Power loss of the terminal typically 2.7W (at 10A output current)
Electrical isolation (between the channels) No
Electrical isolation (between the channels and the E-bus) Yes
Insulation voltage (between the channels and the E-bus,
under common operating conditions)
Insulation tested with 500V
DC
Dimensions (WxHxD) 24 mm x 100 mm x 68 mm
Weight approx.98g
Permissible ambient temperature (operation)
-25°C to +55°C (see chapter Temperature measurement [}29])
Permissible ambient temperature (transport/storage) -40°C to +85°C
Permissible air humidity 5% to 95%, non-condensing
Permissible air pressure (operation/storage/transport) 750hPa to 1100hPa
(this is equivalent to an altitude of approx. -690m to 2450m above sea
level assuming an international standard atmosphere)
Climate category according to EN60721-3-3 3K3
(the deviation from 3K3 is possible only with optimal environmental
conditions and also applies only to the technical data which are specified
differently in this documentation)
Permissible degree of pollution
according to EN 60664-1
Degree of pollution 2
(please note the chapter Maintenance)
Inadmissible operating conditions TwinSAFE Terminals must not be used under the following operating
conditions:
• under the influence of ionizing radiation (exceeding the natural
background radiation)
• in corrosive environments
• in an environment that leads to unacceptable contamination of the
TwinSAFE component
EMC immunity/emission conforms to EN61000-6-2/ EN61000-6-4
Vibration/shock resistance conforms to EN60068-2-6/ EN60068-2-27
Shocks 15g with pulse duration 11ms in all three axes
Protection rating IP20
Permitted operating environment In the control cabinet or terminal box, with minimum protection rating
IP54 according to IEC60529
Correct installation position horizontal
(see chapter Installation position and minimum distances [}28])

Beckhoff EL2911 Specifications

General

Brand	Beckhoff
Model	EL2911
Category	I/O Systems
Language	English