Basic main unit

R ─ Relay output;T ─ Transistor SINK(NPN) output

J ─ Transistor SOURCE (PNP) output
2. :2 ─ built-in RS232 port;U ─ built-in USB port (non-standard)
3. :AC ─ 100~240VAC power supply
D12 ─ 12VDC power supply
D24 ─ 24VDC power supply
4.–C:Blank ─ Standard;–C ─ add in RTC
5. The unmarked frequencies of Digital Input (DI) or Digital Output (DO) are low speed

Model Specification
FBs-10MA 6 points 24VDC digital input (2 points high speed 100KHz, 2 points medium speed 20KHz, 2 points medium
speed total 5KHz); 4 points relay or transistor output (2 points high speed 100KHz, 2 points medium speed
20KHz); 1 RS232 or USB port(expandable up to 3); I/O is not expandable
FBs-14MA 8 points 24VDC digital input (2 points high speed 100KHz, 2 points medium speed 20KHz, 4 points medium
speed total 5KHz); 6 points relay or transistor output (2 point high speed 100KHz, 4 points medium speed
20KHz); 1 RS232 or USB port(expandable up to 3); I/O is not expandable
FBs-20MA 12 points 24VDC digital input (2 points high speed 100KHz, 4 points medium speed 20KHz, 6 points
medium speed total 5KHz); 8 points relay or transistor output (2 points high speed 100KHz, 6 points
medium speed 20KHz); 1 RS232 or USB port(expandable up to 3)
FBs-24MA 14 points 24VDC digital input (2 points high speed 100KHz, 6 points medium speed 20KHz, 6 points
medium speed total 5KHz); 10 points relay or transistor output (2 points high speed 100KHz, 6 points
medium speed 20KHz); 1 RS232 or USB port(expandable up to 3)
FBs-32MA
FBs-32MB
20 points 24VDC digital input (2 points high speed 100KHz, 6 points medium speed 20KHz, 8 points
medium speed total 5KHz); 12 points relay or transistor output (2 points high speed 100KHz, 6 points
medium speed 20KHz); 1 RS232 or USB port(expandable up to 3); (MB is detachable terminal block)
FBs-40MA
FBs-40MB
24 points 24VDC digital input (2 points high speed 100KHz, 6 points medium speed 20KHz, 8 points
medium speed total 5KHz); 16 points relay or transistor output (2 points high speed 100KHz, 6 points
medium speed 20KHz); 1 RS232 or USB port(expandable up to 3); (MB is detachable terminal block)
FBs-60MA
FBs-60MB
36 points 24VDC digital input (2 points high speed 100KHz, 6 points medium speed 20KHz, 8 points
medium speed total 5KHz); 24 points relay or transistor output (2 points high speed 100KHz, 6 points
medium speed 20KHz); 1 RS232 or USB port(expandable up to 3); (MB is detachable terminal block)