The USB to RS485 is suited for transmitting smaller blocks of data over long distances with many nodes sharing the two wire bus. Building automation systems are often wired with RS485 networks for this reason, PCs, controllers, sensors and many small embedded devices can all share the same bus which can stretch up to 254 nodes and many hundreds of meters in length.
Zigbee repeater is a kind of low cost, low consumption, and wireless mesh network targeted at wide development of long life devices in wireless control and monitoring applications. It applies wireless controlling and wireless data transmission. One zigbee repeater can work with another or others as one network. As one solution to replace wire connection, it can connect with computer.
The Zigbee repeater can implement the wireless transmission based on RS485.
USB485 Converter is a USB to RS-485 converter which provides a simple low cost means of connecting a PC to an RS485 network in a very compact form factor, this is our smallest most compact model available. The unit is overmolded in a tough rubberized plastic which gives a professional appearance which will stand up to the toughest of environments.
The OR-485 is an externally powered isolated converter/repeater with diagnostic LEDs.It is an externally powered, isolated converter/repeater with diagnostic LEDs. There are two input ports which can be designated, via jumper, as either RS232( for connection to a PC as a converter), or RS485 (for bus repeater mode). The isolated, half-duplex RS485 output port has two separate connectors to make dividing the network simple for troubleshooting. The diagnostic LEDs show common wiring mistakes such as short or open circuits. All protocols (Bacnet, Modbus, generic RS485 protocols, etc.) are supported. Some of the diagnostics, such as “bad CRC” and “Modbus” error reporting, however, are available only with Modbus at 19.2k or 9600 baud.
Module T3-485-1 can change TXD and RXS signal data of RS232 serial interface to twisted pair RS485. The unti-scavenges power is from the RS232 lines so there is no need for an external power source. Pin3 (TXD) , Pin7 (RTS) and Pin4 (DTR) provide enough power. Auto flow control means you don’t have to install special drivers. The cable provided connects to most Temco controls equipment directly. It can be easily cut and customized in the field or write to us and we’ll make a custom version for you at no extra charge.
Digital Storage Oscilloscope, 4 channels, 2 analog channels, 2 digital channels.
This unit is a 5-trace 4-channel digital oscilloscope for common electronic engineering tasks. Its CPU is based on ARM Cortex M3, adopting FPGA to manage the control & data buffering of ADC. A built-in 2MB USB disk enables users to store waveforms & upgrade firmware. It also provides 4 application areas, convenient for users to load & upgrade at most 4 kinds of application firmware.