EX-9061A/9461(PoE) provides 6 isolated digital input channels and 6 relay output channels. All input channels are single ended with common source/ground and support input latch function for important signal handling. Mean while, these DI channels allow to be used as 500Hz counter. All relay output channels are differential with individually common . Opposite to the intelligent DI functions, the EX-9061A Digital Output channels also support Auto-Off Time of digital output and DIO Synchronization function.