1. ◇：R ─ Relay output；T ─ Transistor SINK(NPN) output
J ─ Transistor SOURCE (PNP) output
2. ◎：AC ─ 100~240VAC power supply
D12 ─ 12VDC power supply
D24 ─ 24VDC power supply
3. The unmarked frequencies of Digital Input (DI) or Digital Output (DO) are low speed.