I/O modules, modems ease wireless sensor network setup
Additions to the Zlinx Xtreme industrial wireless line, the IP67-rated ZXT9-IO-222R2 and ZXT24-IO-222R2 I/O modules and the ZXT9-RM and ZXT24-RM radio modems are available in 900-MHz (long-range) and 2.4-GHz (short-range) versions for transmitting and receiving sensor or serial data in harsh and remote environments. Wirelessly emulating wired technology, the units mount directly to panels, poles, or machines, thereby eliminating the need for long wire runs and the cost of cabinets or enclosures.
Based on a license-free proprietary RF scheme for reliable point-to-point and point-to-multipoint wireless communication, the unit’s wireless sensor transceiver technology connects dataloggers, controls, or supervisory-control-and-data-acquisition (SCADA) equipment with up to 99% of sensors on the market.
The I/O modules include two analog inputs, two analog outputs, two digital inputs, and two relay outputs. A pair of I/O modules can replace wired configurations to transmit remote I/O to a controller; an auto-configure feature lets users quickly map two units without a PC.
Alternatively, users can connect one or many remote I/O modules to a radio modem, which transmits Modbus I/O data into the serial port of a controller such as a PLC, SCADA or HMI. Plug-and-play design lets users quickly configure two identical I/O modules with the push of a button. No additional converters or factory adjustments are needed.
Other features include selectable I/O, both digital (PNP/NPN) and analog (0 to 5 or 10 V, 0 to 20 mA, or 4 to 20 mA). A fail-safe output state resets I/O to a user-defined state in the event of communication failure, and, in Modbus modes, exception reporting can send trouble alerts through any connected devices. The highly secure, 256-bit AES-encrypted modems offer low-latency (8 ms) response rates.
The IP67-rated units operate from −40° to 74°C and meet heavy EN61000-6-2 industrial specifications, so they can handle the surges and electromagnetic interference common in welding operations, variable frequency drives, very large pumps, and other extreme electrical environments. (Radio modems: 2.4 GHz, $399; 900 MHz, $549; I/O modules: 2.4 GHz, $549; 900 MHz, $699 — available now.)
B&B Electronics , Ottawa , IL
Information 815-433-5100
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