16 Relay RS-232 Control Multi-Drop Series Intelligent Appliance Features 16-ch Power Relays SPDT, form C, contact 2 Isolated Monitoring Inputs 2 Way Watchdog Protection Multi-Drop operatin ready Status Led indicators on all I/Os Open Source code samples Setting and Operating Utility API Software Drivers Library Sequence Operation Program Unique ID and Addressing DIN-Rail mounting ready The IA-3138-2 is an intelligent 16-ch Power Relay Controller, with 2-ch Isolated Digital Input and multi-drop operation capability. The IA-3138-2 is an Industrial grade relay controller, easy operated, supported by a simple, yet, powerful command set. Rich software support, incloding open source code samples, setting utilities and sequence operation program makes it fast and easy adaptable device. The IA-3138-2 is part of the IA-3000 Series. This Series include Relay controllers, Digital and Analog controllers, usually equipped with RS-232/485, IP or Wireless communication port. 16 Relays Contact current IA-3138-2 16-ch Relay Module, RS-232, Multi-Drop IA-3138-2P Pluggable Version of IA-3138-2 Digital Inputs Voltage Range Isolation Channels Communication COM method COM expand Defult BR COM rate COM input COM output Host/Module cable Module/Module cable RS-232C Daisy-Chain 19200bps 115-1200Kbps DB9 Female DB9 Male DB9 M/F pin-to-pin 3 wires, pin 2,3 and 5 up to 15m long GENERAL Power supply: Module size: Weight: Ordering Information: Contact method Specifications subject to change without notice.