User`s guide

Universal Library User's Guide MetraBus Boards - MEM Series Relay
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MEM Series Relay
All MetraBus boards require a cable and an interface board (such as an ISA-, PC104-, or PCI- MDB64) to
interface to the host computer system.
Digital I/O
Digital I/O functions and methods supported
UL: cbDOut(), cbDIn(), cbDBitIn(), cbDBitOut()
UL for .NET: DOut(), DIn(), DBitIn(), DBitOut()
Digital I/O argument values
PortNum FIRSTPORTA
For MEM-32, the following argument values are also valid:
FIRSTPORTB, SECONDPORTA, SECONDPORTB
DataValue 0 to 255 for PORTA or PORTB
BitNum 0 to 7 for FIRSTPORTA
For MEM-32, the following argument values are also valid:
0 to 31 for FIRSTPORTA
Functions/methods for reading back the MEM Series Relay output state
Although the MEM Series Relay is a digital output-only board, the state of the outputs can be read back
using the UL functions cbDIn() and cbDBitIn(), or the UL for .NET methods DIn() and DBitIn().