244 Appendix B
Information for Replacing 4278A with 4288A
Comparison of Interfaces
Comparison of Interfaces
Handler interface
Figure B-2 Pin Assignment
Table B-27 Factory setting
4278A 4288A
Selection of judgment output signal
pull-up power supply
External power supply
(5 V to 24 V)
External power supply
(5 V to 24 V)
Selection of operation output signal
pull-up power supply
External power supply
(5 V to 15 V)
External power supply
(5 V to 24 V)
Voltage range of input signal drive
power supply
9 V to 15 V 15 V to 24 V