DIO Expansion Units DIO Expansion Units 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. FBs-24XYR◇–◎ FBs-40XYR◇–◎ FBs-60XYR◇–◎