Solid State Relay - Low Current
The SSR-WG4-200V-xxxVyy-1A is a solid state relay designed to accept a wide input voltage range of 4-200 volts peak to control a DC or AC voltage, depending upon the model selected, not greater than 200 Volts at 1 Amp. This makes it ideal for direct connection to unbuffered microprocessor port pins or other applications that are incapable of driving standard loads such as relays. The relay provides for very high speed on/off switching times allowing the control voltage to operate from DC to 3 KHz maximum. The input control voltage is magnetically coupled to the output switch to provide maximum isolation. The relay has no moving parts thereby eliminating the bounce and burning of contacts normally associated with mechanical relays. This relay is a single-pole, normally open (Form 1A) solid state replacement for low current electromechanical relays.
Line Interface (TTL to RS232)
The IFC-W1R-TTL-RS232-01 is an interface which converts communication signals between the TTL and RS-232 signal levels. This interface is ideal for providing RS-232 communication capabilities for microcontroller circuits which currently do not have RS-232 level interface. The TTL to RS-232 Interface derives its power from the microcontroller board. Connections include: Transmit Data (TXD); Receive Data (RXD); Request to Send (RTS); and Clear to Send (CTS).
Programmable Controller Modem
This product has been discontinued, effective 2/2/2007.
RS232 to RS485 Converter
The RS232 to RS485 converter is used to convert between full duplex RS232 and half duplex - multi-drop RS485 networks. The six diagnostic LEDs support rapid network setup and troubleshooting. The rugged metal enclosure and DIN rail mounting option makes this unit particularly suitable for industrial applications. All configuration options are internal and factory set. High speed isolation circuitry allows operation from 0 to 250 Kbaud. Line direction is controlled by RTS. This unit also features differential or "power" termination to eliminate the indeterminate condition that would arise in an undriven RS485 network and prevent noise from being received as unwanted data.
Half-duplex communications permit communication in two directions but only one direction at a time. Multi-drop refers to a network topology where three or more nodes are connected to the same physical medium. RS485, half-duplex networks typically operate correctly to more than 1 kilometer at speeds of up to 100 Kbits/sec. As speed increases, cable length must be decreased.
