IAI America RCP2-CF - Manual (Page 68)

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5.2 Interface Circuit
The standard interface specification of the controller is NPN, but the PNP specification is also available as an
option.
To prevent confusion during wiring, the NPN and PNP specifications use the same power line configuration.
Accordingly, there is no need to reverse the power signal assignments for a PNP controller.
5.2.1 External Input Specifications
Item Specification
Number of input points 10 points
Input voltage 24 VDC
 10%
Input current 7 mA/point
ON voltage: 18 V min. (3.5 mA)
Operating voltage
OFF voltage: 6 V max. (1 mA)
Leak current 1 mA or less/point
Isolation method Photocoupler
Internal circuit configuration
[NPN specification]
[PNP specification]
P24V
R = 560

R = 3.3 k

R = 22 k 
C = 0.1 F
N
R = 560 
R = 3.3 k

R = 22 k 
C = 0.1
F
Controller
Controller
External power supply
+24V
Each input
External power supply
+24V
Each input
Internal circuit
Internal circuit