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291
Index
Numerics
1:N connection among RS-422A ports, 119
1:N connection among RS-485 ports
, 121
1:N connection between RS-422A/485 at the NT631/
NT631C and RS-232C at the host
, 86
A
Allowable power supply voltage range, 245
Applicable connectors
, 286
Automatic transmission (memory unit)
, 41
B
Backlight (for NT631C only), 235
Backlight brightness adjustment
, 189
Battery cover
, 30
Before operating
, 23
C
Cable connection dimensions, 257
Cable for peripheral port of CS1-series PLC
, 286
Cables with connectors
, 285
Calling the System Installer mode
, 134
Calling the System Menu
, 133
Cell size (Touch panel)
, 248
Changing the system settings
, 147
Checking communications at serial ports
, 210
Checking communications with a printer
, 213
Checking communications with the Support Tool
, 209
Checking interfaces
, 209
Checking screen data
, 198
Checking the backlight (for NT631 only)
, 204
Checking the battery voltage
, 208
Checking the buzzer
, 202
Checking the LCD (screen display)
, 204
Checking the PT setting status
, 193
Checking the RUN LED
, 203
Checking touch switches
, 207
Chemical-resistant cover
, 288
Cleaning method
, 242
Clearing screen data
, 135, 148
Clearing/installing the system program
, 145
Comm. A Method
, 153
Comm. B Method
, 153
Comm. B Select
, 153
Communications Board
, 62, 66, 70, 95
Communications Boards
, 106
Communications by Using Memory Link
, 21
Communications condition
, 152
Communications condition settings for bar code readers
,
184
Communications condition settings for the host link method
,
153
Communications errors and their remedies
, 233
Communications method for communications with the host
,
152
Communications method settings
, 154
Communications methods
, 26
Communications port
, 26
Communications specifications
, 250
Communications type
, 26
Communications Unit
, 281
Comparison between NT631 and NT631C
, 7
Connecting a bar code reader
, 36
Connecting a printer
, 36
Connecting directly between RS-232C ports
, 73
Connecting to other model PLCs
, 21
Connecting to the Support Tool
, 35
Connection cable
, 286
Connection method
, 26
Contrast adjustment
, 187
CPU Unit
, 95
CPU Units
, 62, 66, 70, 106, 108, 112
CPU Units (for connection via a host link)
, 282
CPU Units connectable with Host Link Units or Communi-
cations Board
, 95
D
Device check, 201
Device Monitor function
, 220
Dimensions
, 245
Direct connection function
, 18
Disabling/enabling System Menu display
, 147
Disabling/enabling writing to the screen data memory
, 147
Display
, 29
Display color
, 247
Display device
, 247