4.DESCRIPTION OF PARAMETERS B-64120EN/01
- 12 -
0020
I/O CHANNEL: Selection of an input/output device or selection of input
device in the foreground
Setting entry is acceptable.
[Data type] Byte
[Valid data range] 0 to 35
I/O CHANNEL: Selection of the input/output device to be used
The CNC provides the following interfaces for data transfer to and
from the host computer and external input/output devices:
• Input/output device interface (RS-232-C serial port 1, 2)
• DNC2 interface
Data input/output can be performed with a personal computer
connected via FOCAS1/Ethernet or FOCAS1/HSSB. Data
input/output can be performed with the Power Mate CNC via the
FANUC I/O Link.
This parameter selects the interface used to transfer data to and from
an input/output device.
Setting Description
0, 1 RS-232-C serial port 1
2 RS-232-C serial port 2
4 Memory card interface
5 Data server interface
6 The DNC operation is performed or M198 is specified by
FOCAS1/ Ethernet.
10 DNC2 interface, OSI-Ethernet
15 M198 is specified by FOCAS1/HSSB. (Bit 1 (NWD) of
parameter No. 8706) must also be specified.)
20
21
22
to
34
35
Group 0
Group 1
Group 2
to
Group 14
Group 15
Supplemental remark 1
If the DNC operation is performed with FOCAS1/HSSB, the
setting of parameter No. 20 does not matter. The DMMC signal
<G042.7> is used.
Supplemental remark 2
If bit 0 (IO4) of parameter No. 110 is set to control the I/O
channels separately, the I/O channels can be divided into four
types: input and output in the foreground and input and output in
the background. If so, parameter No. 20 becomes a parameter for
selecting the input device in the foreground.
Data is transferred between the CNC and a
power mate CNC in group n (n: 0 to 15) via the
FANUC I/O Link.