FPΣ
3.4 Specifications of FPΣ Expansion Unit
3-7
Input specifications
Item Description
Insulation method Optical coupler
Rated input voltage 24 V DC
Operating voltage range 21.6 to 26.4 V DC
Rated input current Approx. 3.5 mA
Input points per common 32 points/common
(Either the positive or negative of input power supply can be connected to
common terminal.)
Min. on voltage/Min. on current 19.2 V DC/3 mA
Max. off voltage/Max. off current 2.4 V DC/1.3 mA
Input impedance Approx. 6.8 kΩ
Response time off → on 0.2 ms or less
on → off 0.3 ms or less
Operating mode indicator LED display
Transistor output specifications
Item Description
Insulation method Optical coupler
Output type Open collector
Rated load voltage 5to24VDC
Operating load voltage range 4.75 to 26.4 V DC
Max. load current 0.1 A
Max. surge current 0.5 A
Output points per common 32 points/common
Off state leakage current 100 µA or less
On state voltage drop 0.5 V or less
Response time off → on 0.2 ms or less
on → off 0.5 ms or less
External power
supply for
driving internal
circuit
Current 15 mA or less
Surge absorber Zener diode
Operating mode indicator LED display
Phase fault protection Thermal protection