Toshiba nv Series Instruction Manual page 121

(3) Figure C.1-2 shows examples of connection with the transistor output
equipment such as the proximity switch.
・NPN open collector type input module (positive common)
・PNP open collector type input module (negative common)
Figure C.1-2 Connection of transistor output equipment
(4) When the switch is OFF while a switch equipped with LED display is used, the
lighting, or leak current may flow through the LED, disabling input OFF to be
read. In this case, install a bleeder resistor to lower the input impedance.
Figure C.1-3 Switch with LED
Input module
COM
Input module
COM
LED
r
R
COM
V
Unified Controller nv series Controller Unit Instruction Manual
C.1 DC Iinput Modules
Input module
103