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ELMS1 1
ELMS1
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WIKA · Force measurement · Family ELMS

Safety electronics

Safety electronics for overload protection and slack rope detection in cranes and hoists, certified to PLe and SIL 3.
Range
0…10000 kN
Output
4 ... 20 mA / DC 0 … 10 V
Accuracy
±3 % of full scale
Protection
IP20
RoHS
Price
On request
Depends on configuration
Request a quote
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Description

The model ELMS1 safety electronics is a multi-functional and confi gurable safety switching device. The electronics consist of a control module and individual function modules that can be mounted next to each other. The modules are connected to each other via a redundant, standard DIN-rail bus. The safety electronics feature a wide range of safety digital and analogue inputs, safety solid-state and safe contact outputs. Several analogue outputs and also fi eldbus modules are available for those non-safety-relevant parts of the application during normal operation. The status of the inputs and outputs, operating voltage and other diagnostic messages are displayed on a LED matrix.

The control module of the safety electronics is certifi ed in accordance with DIN EN 13849-1 Category 4 PLe through DGUV. Based on Table 3 of DIN EN 13849-1, this corresponds to SIL 3.

Safety electronics, model ELMS1

Special features

  • Certified safety electronics, certified in accordance with DIN EN ISO 13849-1, PLe
  • Certified system solution incl. force measurement, certified in accordance with DIN EN 13849-1 Cat. 3, PLd
  • 16 x safe inputs (8 x 4 ... 20 mA analogue inputs, 8 x digital inputs), 2 x safe relay outputs and 6 x safe solid-state outputs (positive switching)
  • Additional module with ProfiBus ® , ProfiNet ® , EtherCat ® and CANopen ®
  • Complex functionality, easy to configure via PC
Identification
ModelELMS1
Product familyELMS
SubcategorySafety electronics
Measuring range
Force ranges0…3 kN · 0…100 kN · 0…2 kN · 0…10 kN · 0…10000 kN
Accuracy
Accuracy class±3 % of full scale
Safety integrity level (SIL)SIL 3
Process conditions
Mounting typeDIN rail
Electrical characteristics
Output signal4 ... 20 mA / DC 0 … 10 V
Materials
Cell materialPolyamide (PA), non-reinforced, stainless steel
Operating environment
Ambient temperature−10…+55 °C
IP ratingIP20
Weight0.45 kg
Certifications and approvals
CertificationsRoHS
Additional details
Datasheet languagesEN
Tables from datasheet
Model ELMS1
Analog input
Input signal4 ...20mA/DC0…10V
Current inputs4…20mA
Input resistance4 …20mA:approx.500 Ω, DC 0 …10V:> 5 kΩ
Accuracy±3 %of full scale
Digital input
Voltage at the inputsDC 24V -15 %, +10 %, ≤ 10 %residual ripple
Current supplymax.4mA
Input frequencyat I9 to I12 ≤ 500 Hz via 2 sensors e.g. proximity sensors at I9 to I16 ≤ 50 kHz with HTL signals via incremental measuring system
Rated temperature range-10 …+55 °C
Storage temperature range-40 …+85 °C
Relay output
Minimum switching current10mA
Switching capacity per DIN EN 60947-4-1/ EN 60947-5-1DC1:24V / 6 A DC13:24V / 5 A
Total of switching and continuous currentsK3, K4: ≤ 6 A K5, K6: ≤ 6 A
Service life at switching capacity:DC13DC 24 V/ 1 A: 1 x 10 5 DC 24 V/ 4 A: 4 x 10 4
Maximum number of cyclesDC13 4 A: 360 cycles/h
Mechanical lifetime> 10 7 h
Solid-state output
Minimum switching current1mA
Switching current and continuous currentIO1-IO4: 0.25 A O1-O6: 1 A
Total of switching and continuous currentIO1-IO4: 0.8 A O1-O6: 3 A
Other outputsProfibus  DP, ProfiNet  , EtherCat, CANopen ® etc.
Supply voltageDC 24V -15 %, + 10 %/ max. residual ripple10%
Power consumption3.0W
Response time
Operate and disengaging time100 ms
Total response time of the safety functiontypically (relay): 10 ms / 3 ms
TerminalsSpring-loaded terminals, plug-in
Connection cross-section0.2 ..1.5mm 2 (AWG24-16) with end splices
Leadonly 60/75 °C copper
Connection diagrama wiring diagram will be created and delivered with every project
Case materialPolyamide (PA), non-reinforced
Ingress protectionCases and terminals: IP20 / minimum requirement for the installation location IP54
Electromagnetic compatibilityDIN EN 61326-1: 2013-07 DIN EN 61326-3-1: 2015-06 EN 55011: 2009+A1: 2010 (class A)
RoHSEN 50581:2012
SafetyCategory 4, PLe based on Table 3 of DIN EN 13849-1: 2016-06, this corresponds
Mountingto SIL 3 on DIN rail, 35 mm, per EN 60715:2001
Weightapprox. 450 g
Model ELMS1With displayIn the control cabinet
VersionOnly in combination with a CANopen ® module, 4.3'TFT touchscreen with LED backlighting Dimensions (W x H x D) 140 x 100x5mminstalled
Rated temperature range0…50°C-10 …+50 °C
Storage temperature range-25 …+75 °C-40 …+85 °C
Supply voltageAC 230V
Ingress protectionIP65
Module ELMS1Dimensions inmm
Height (H)Width (W)Depth (D)
Control module11467.599
Extensions11422.599
ModelDescription
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