I/O Circuits; I/O Circuit Specifications - Yamaha SRCP30 User Manual

3-4 I/O Circuits

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3-4 I/O Circuits
This section provides the SRCP30 controller I/O circuit specifications and examples of how the I/O
circuits should be connected. Refer to these specifications and diagrams when connecting to external
equipment such as a PLC.

3-4-1 I/O circuit specifications

■ Input Power
DC24V±10% (supplied through EXT.CN)
■ Input Circuit
Excluding emergency stop input circuit
Insulation method:
Input terminal:
Input response:
Input current:
Input sensitivity:
Emergency stop input circuit
Input terminal:
Input response:
Input current:
■ Output Circuit
Insulation method:
Output terminal:
Output response:
Max. output current:
Residual ON voltage:
■ Pulse Output Circuit
Output method:
Maximum output current: 20mA
Photocoupler insulation
Relay contact or NPN open collector transistor connected between
input terminal and 0V terminal.
30ms max.
5mA/DC24V
Current on: 3mA min.
Current off: 1mA max.
Relay contact connected between emergency stop inputs 1 and 2
(between EMG1 and EMG2).
5ms max.
40mA/DC24V
Photocoupler insulation between internal circuit and output tran-
sistor
NPN open collector output of all collective output common termi-
nals (0V side)
1ms max.
50mA/DC24V per output
1.5V max.
Line driver (26LS31 or equivalent)