※6:Special register cannot use for other purposes .
※7:Input coil and output relay/transistor number is octal number system, other is decimal system.
※8:I/O which is not linked with outside facilities can be used for fast internal relay.
1-2-2. Special function
1. High speed count
2.High speed pulse output
ZG3-30T: Y0, Y1, max speed is 200kHz
ZG3-30R: not support
3. External interruption