This months featured product is the ADAM-4520 RS-232 to RS-485 converter.
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52 Shepherd Avenue
P O Box 593
The ADAM-4050 features seven digital input channels and eight digital output channels. The outputs are open-collector transistor switches that you can control from the host computer. You can also use the switches to control solid-state relays, which in turn can control heaters, pumps and power equipment. The host computer can use the module's digital inputs to determine the state of limit or safety switches or remote digital signals.