Mitsubishi Electric QJ71MB91 User Manual page 36

3
SPECIFICATIONS
(2) ON/OFF status of each signal
(3) Interface connector
3
- 4 3.2 RS-232 Interface Specification
3.2.1 RS-232 connector specification
The ON and OFF statuses of a signal are indicated below.
ON ......................... 5V to 15VDC,
OFF ......................... -5V to -15VDC,
For QJ71MB91 RS-232 interface connector, use a 9-pin D sub (female) screw type
connector.
Use metric screws.
(Output side) (Input side)
3V to 15VDC
-3V to -15VDC