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IE6012 | 1-channel serial interface TTY, 20 mA current loop


The IE6012 serial interface module allows the connection of devices with a 20 mA current interface, which operates passively. The module transmits the data in a fully transparent manner to the higher-level automation device. The data is transferred via the fieldbus using a simple handshake protocol. This does not have any effect on the protocol of the serial interface. The active serial communication channel functions independently of the higher-level bus system in full duplex mode at up to 115,200 baud, while a 128 byte receive buffer and a 16 byte send buffer are available. The current interface guarantees high immunity to interference through electrically isolated signals with injected current.


Technical data  
Data transfer channels 2 (1/1), TxD and RxD, full duplex
Data transfer rates 1,200…115,200 baud, 9,600 baud (8 bits, no parity, 1 stop bit) is preset
TTY connection M12, screw type
Nominal voltage 24 V DC (-15 %/+20 %)
Bit transfer 2 x 20 mA
Load max 500 Ω
Cable length max. 1,000 m twisted pair
“0“ signal current 0…3 mA
“1“ signal current 14…20 mA
Data buffer 128 bytes receive buffer, 16 bytes transmit buffer
Power supply connection feed: 1 x M8 male socket, 4-pin; downstream connection: 1 x M8 female socket, 4-pin
Current consumption from US (without sensor current) 40 mA
Bit width in the process image input/output: 3 x 8 bit user data, 1 x 8 bit control/status (up to 5 x 8 bit user data are possible)
Electrical isolation TTY/control voltage: 500 V, to the fieldbus: yes, via IP-Link
Operating/storage temperature 0…+55 °C/-25…+85 °C
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 65/66/67 (conforms to EN 60529)/variable
Approvals CE, UL