Dsw(87) Input Digits And Output Refresh Method; Peripheral Port Settings - Omron CQM1H - PROGRAM Programming Manual

Basic PC Operation and I/O Processes
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DSW(87) Input Digits and Output Refresh Method

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Peripheral Port Settings

16
Make the settings shown below to set the number of input digits for the
DSW(87) instruction, and to set the output refresh method.
Number of input digits for the DSW(87)
00: 4 digits
01: 8 digits
Output refresh method
00: Cyclic
01: Direct
Default: The number of input digits for the DSW(87) instruc-
tion is set to "4" and the output refresh method is cyclic.
Refer to page 427 for details on the DSW(87) instruction and to SECTION 7
CPU Unit Operation and Processing Time for details on I/O refresh methods.
Serial communications settings for the peripheral port are determined by pins
5 and 7 of the CPU Unit's DIP switch, the hexadecimal setting in DM 6650,
and the device connected to the peripheral port.
DIP switch DM 6650
settings setting
Pin 5 Pin 7
OFF OFF Ignored
OFF ON 0000
0001
10@@
ON OFF Ignored
ON ON Ignored
15
Bit
DM 6639
Connected device Serial communications mode
Programming Console Programming Console bus
Programming Device Host Link, standard settings
other than a Program- Peripheral bus mode if CX-Pro-
ming Console (such as grammer is set for peripheral
a personal computer) bus.
Host Link, custom settings
Peripheral bus mode if CX-Pro-
grammer is set for peripheral
bus.
No-protocol
Programming Console Programming Console bus
Programming Device Host Link, standard settings
other than a Program- Peripheral bus mode if CX-Pro-
ming Console (such as grammer is set for peripheral
a personal computer) bus.
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