Digital Input Peripherals Digital conversion adapters and peripherals

Expansion Peripherals / Digital Input Peripherals

About Digital Input Peripherals

Digital input peripherals are often used to extend data communications networks or to perform media conversions.

	Function	Number of Channels	Operating Temperature	Operating Voltage
SDM-SIO1A 1-Channel Serial I/O Module	Expands the number of serial devices that can communicate with a data logger.	1	-40°C to +70°C (standard)	—
SDM-SIO4A 4-Channel Serial I/O Module	Expands the number of serial devices that can communicate with a data logger.	4	-40° to +70°C (standard)	—
SDM-IO16 16-Channel Input/Output Module	Expands the digital input and/or output capability of a data logger.	16	-25° to +50°C	12 Vdc (nominal 9 to 18 V)
MD485 RS-485 Multidrop Interface	Permits a PC to address and communicate with one or more data loggers over a distance of up to 1,200 m.	—	-25° to +50°C (standard) -55° to 85°C (extended)	—
LLAC4 4-Channel Low-Level AC-Conversion Module	Increases the number of low-level ac signals that a data logger can monitor.	4	—	—
SDM-SW8A 8-Channel Switch Closure Input Module	Increases the number of switch closures or voltage pulses a data logger can measure.	8	-25° to +55°C	9.6 to 16 V
SDM-CAN Datalogger-to-CANbus Interface Module	Allows a data logger to sample data directly from a CANbus communication network. Uses latest CAN controller.	1	Tested from -40° to +80°C.	7 to 26 Vdc