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IE6022 | 1-channel serial interface, RS422/RS485


The IE6022 serial interface module allows the connection of devices with a RS422 or RS485 interface. 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 transmission of differential signals according to RS232 guarantees high immunity to interference through electrically isolated signals.


Technical data  
Data transfer channels TxD and RxD, full/half duplex
Data transfer rates 1,200…115,200 baud, 9,600 baud (8 bits, no parity, 1 stop bit) is preset
RS422 connection M12, screw type
Nominal voltage 24 V DC (-15 %/+20 %)
Bit transfer with differential signal
Line impedance 120 Ω
Cable length max. 500 m twisted pair
Common-mode voltage UCM max. -7…+12 V to ground
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 RS485/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