B-64120EN/01 4.DESCRIPTION OF PARAMETERS
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NOTE
In general, reading is performed more efficiently
when ND3 set to 1. This specification reduces the
number of buffering interruptions caused by
reading of a series of blocks specifying short
movements. This in turn reduces the effective cycle
time.
IOP Specifies how to stop program input/output operations.
0 : An NC reset can stop program input/output operations.
1 : Only the [STOP] soft key can stop program input/output
operations. (An reset cannot stop program input/output
operations.)
ENS Action taken when a NULL code is found during read of EIA code
0 : An alarm is generated.
1 : The NULL code is ignored.
#7 #6 #5 #4 #3 #2 #1 #0
0110 IO4
[Data type] Bit
IO4 Separate control of I/O channel numbers is:
0: Not performed.
1: Performed.
If the I/O channels are not separately controlled, set the input/output
device in parameter No. 20.
If the I/O channels are separately controlled, set the input device and
output device in the foreground and the input device and output device
in the background in parameters No. 20 to No. 23 respectively.
Separate control of I/O channels makes it possible to perform
background editing, program input/output, and the like during the
DNC operation.
4.2.2 Parameters of Channel 1 (I/O CHANNEL=0)
#7 #6 #5 #4 #3 #2 #1 #0
NFD ASI SB2
0101
NFD ASI HAD SB2
[Data type] Bit
SB2 The number of stop bits
0 : 1
1 : 2
HAD An alarm raised for the internal handy file is:
0: Not displayed in detail on the NC screen. (PS alarm 86 is
displayed.)
1: Displayed in detail on the NC screen.