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EL6851 | EtherCAT Terminal, 1-channel communication interface, DMX, master

EL6851 | EtherCAT Terminal, 1-channel communication interface, DMX, master

EL6851 | EtherCAT Terminal, 1-channel communication interface, DMX, master

Run LED
TxD LED
RxD LED
DMX+
Termination
GND
Shield
DMX-
Termination
GND
Shield
Top view 
Contact assembly 
EL6851 | EtherCAT Terminal, 1-channel communication interface, DMX, master

EL6851 | EtherCAT Terminal, 1-channel communication interface, DMX, master

The EL6851 EtherCAT Terminal is a DMX master terminal and enables connection of up to 32 devices without repeater. The DMX master terminal can send up to 512 bytes of data (this can be set via the terminal). At 250 kbit/s a maximum data rate of 44 kHz is therefore possible. The RS485 interface in the EL6851 is electrically isolated and guarantees high interference immunity.

In addition, the RDM (Remote Device Management) protocol can be run via the EL6851. RDM is an extension of the DMX protocol and enables addressing and parameterization of devices. TwinCAT offers associated libraries.

The EL6851-0010 EtherCAT Terminal is a DMX slave terminal. The DMX slave terminal can receive up to 512 bytes of data. The start address and the data length can be set via the CoE (CAN application protocol over EtherCAT) objects. The RS485 interface in the EL6851-0010 is electrically isolated and guarantees high interference immunity.

The DMX slave receives data from a DMX master and transmits them to the application via EtherCAT. In this way, non-DMX-capable devices, like DALI lamps or dimmer terminals, can also be addressed.

DMX is based on RS485 physics. An integrated termination resistor can be connected through two-wire jumpers in the terminal.

Product status:

regular delivery

Product information

Technical dataEL6851EL6851-0010
TechnologyDMX master terminalDMX slave terminal
Data transfer channelsRS485 physics/half duplex
Data transfer rates250 kbit, one start bit, two stop bits
InterfacesRS485, termination resistor can be switched, half duplex
Bus devicemax. 32 without repeater
Line impedance120 Ω
Power supplyvia the E-bus
Distributed clocks
Electrical isolation500 V (E-bus/signal voltage)
ProtocolDMX512
Bit width in the process imagevariable
Configurationno address setting, configuration via PLC
Current consumption power contacts
Current consumption E-bustyp. 130 mA
Special featuressupports RDM protocol, library available; electrically isolatedstart address and data length can be set
Weightapprox. 55 g
Operating/storage temperature0…+55 °C/-25…+85 °C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Approvals/markingsCE, UL, ATEX, IECEx
Housing dataEL-12-8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

Ordering information
EL6851EtherCAT Terminal, 1-channel communication interface, DMX, master
EL6851-0010EtherCAT Terminal, 1-channel communication interface, DMX, slave

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