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EtherCAT Terminal EL1904
The EL1904 TwinSAFE component is a digital input terminal for sensors with potential-free contacts for 24 V DC. It has four fail-safe inputs. The signals are transmitted via FSoE to a TwinSAFE Logic-capable component and can be used there to evaluate them in terms of safety.
The EL1904 has safety parameters to adapt the functionality specifically to the respective safety-oriented requirements (e.g., 1-channel evaluation vs. 2-channel evaluation, testing of the individual channels).
The safety parameters are not stored directly on the component, but are transmitted to the input terminal via a TwinSAFE Logic-capable component when the safety application is started. This simplifies service procedures, because the component can simply be replaced. The safety-relevant parameters are transferred to the new component when the safety application is restarted.
Special features:
4 safe inputs
cross-circuit detection
1-channel vs. 2-channel evaluation directly on the component
testing of the channels can be activated individually
Connection technology: 1-/2-wire
Number of inputs: 4
Protocol: TwinSAFE/Safety over EtherCAT
Response time: typ. 4 ms (read input/write to E-bus)
Fault response time: ≤ watchdog time (parameterizable)
Current consumption power contacts: see documentation
Current consumption E-bus: typ. 200 mA
Installation position: horizontal
Safety standard: DIN EN ISO 13849-1: 2008 (Cat. 4, PL e) and EN 61508: 2010 (SIL 3)
Weight: approx. 50 g
IP protection rating: IP20
Ex marking: ATEX:
II 3 G Ex nA IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Design form: compact terminal housing with signal LEDs
Material: polycarbonate
Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
Installation: on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of: double slot and key connection
Marking: labeling of the BZxxx series
Wiring: solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver
Connection cross-section: s*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWG: s*: AWG 28…14,
st*: AWG 28…14,
f*: AWG 26…16
Stripping length: 8…9 mm
Current load power contacts: Imax: 10 A
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