M-7059 offers 8 channels differential for AC digital input, each of which
features photocouple isolation for channel to channel. Its on voltage level lies
in 80 V ~ 250 VAC. All DI channels are also able to be used as 16-bit counters.
M-7059D has 8 LED indicators for DI channel status. 4KV ESD protection and 4000V
intra-module isolation are standard.