2.3.2 Transistor (Tr) Type (Common to NPN and PNP)
Transistor type (common to NPN and PNP)
Item
Rated input current
Approx. 8 mA (for control units X0 to X3)
Approx. 4.7 mA (for control units X4 to X7)
Approx. 4.3 mA (from control unit X8)
Input points per common
8 points/common 16 points/common
(Either the positive or negative of the input power supply can be
connected to common terminal.)
Min. on voltage/Min. on current
19.2 V DC/6 mA (for control units X0 to X3)
19.2 V DC/3 mA (from control unit X4)
Max. off voltage/Max. off current
2.4V DC/1.3 mA (for control units X0 to X3)
2.4V DC/1 mA (from control unit X4)
Input impedance
Approx. 3 kΩ (for control units X0 to X3)
Approx. 5.1 kΩ (for control units X4 to X7)
Approx. 5.6 kΩ (from control unit X8 )
Response time
off→on
For control units X0 to X3:
135 µs or less: normal input
5 µs or less
Note)
: high-speed counter, pulse catch,
interrupt input settings
For control units X4 to X7:
135 µs or less: normal input
50 µs or less
Note)
: high-speed counter, pulse catch,
interrupt input settings
From control unit X8 (C30/C60 only) :
EN61131-2 Applicable type
TYPE3 (however, according to the above specifications)
Note) this specification is applied when the rated input voltage is 24 V DC and the temperature is 25 °C.
Circuit diagram
[X0 to X3] [From X4]
X4 to X7 :R1=5.1kΩ R2=3kΩ
From X8 :R1=5.6kΩ R2=1kΩ
Limitations on number of simultaneous input on points
Reference: <2.5 Limitations on Number of Simultaneous Input/Output On Points>
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