Option I/O Interface Overview - Yamaha RCX142 User Manual

2. Option I/O interface overview

The option I/O interface of the controller is expandable to a maximum of 4 units (RCX142) or 2 units
(RCX142-T) for compatibility with customer systems. A description of each I/O terminal and its connec-
tion is given here. Connect these I/O terminals correctly and efficiently.
c
CAUTION
See "7. I/O connections" in Chapter
3 for a definition of NPN and PNP
specifications.
6
16
6-
This option I/O interface contains 24 general-purpose inputs and 16 outputs. The type of
option I/O interface (NPN or PNP specifications) is set prior to shipment.
Inputs are referred to here as DI (Digital Inputs) and outputs as DO (Digital Outputs).
Specifications
ID Number of I/O points
General-purpose input
1
General-purpose output : 16
General-purpose input
2
General-purpose output : 16
General-purpose input
3
General-purpose output : 16
General-purpose input
4
General-purpose output : 16
The ID in the above table are set by the DIP switch on the option I/O interface unit.
Connector Connector type
name No.
: 24
: 24
MR-50LM
OPT. DIO (Honda Tsushin
: 24
Kogyo)
: 24
Conductor wire
0.3mm 2 or more