Omron NT31C Reference Manual page 18

Functions of the NT31/NT31C and NT631/NT631C
1-2-4 Comparisons with Earlier Models
Comparison between NT30/NT30C and NT31/NT31C
Item
Compatible Support Tool(s)
DIP switches
Use of B7A unit
Use of memory unit
RS-232C interface
RS-422A/485 interface
Replacement backlight
NT31/NT31C system program data
High-speed 1:N NT Link
Memory y System program
Link Li k
Screen data
LCD contrast adjustment
Backlight brightness adjustment
Number of user-registered screens
Screen data capacity*2
(User program memory)
Numeral string data
Character string data
Bit data
Mathematical table
Image data
Library data
Method for storing numeric values
(numeral memory data and PT status
control area)
PT status control area size
PT status notify area size
Window control area size
Registering continuous screen
Lamp/Touch switch guide characters
Interlock function
Device monitor function
NT30/NT30C
NT-ZJCAT1-EV4 or
NT-ZA3AT-EV2
On rear of unit
Possible
Not possible
Connector (9-pin) also used as port for
screen data transfer.
Terminal block
NT30-CFL01/NT30C-CFL01
NT-ZS3AT-EV1
(including system installer)
Not possible
Exclusive use by Memory Link
Shared with OMRON connection
By a control on the rear of the unit
Not possible
2,000 max.
512 KB
1,000 max.
1,000 max.
256
None
224 max.
896 max.
Fixed as BCD (binary coded decimal)
4 words
3 words
None
Possible
Fixed display (1 line only)
None
Not possible
Section
NT31/NT31C
NT-ZJCAT1-EV4
None (software settings)
Not possible
Possible
- Serial port A connector (also used
for screen data transfer, 9-pin)
- Serial port B connector (for host
communications only, 25-pin)
Serial port B (25-pin D-SUB connector)
NT31C-CFL01 (common use)
The system installer and system
program data are supplied with the
Support Tool.
1
Possible
Same as OMRON connection
Exclusive use by Memory Link
By touch panel operation
By touch panel operation
3,999 max.
1 MB
2,000 max.
2,000 max.
1,000 max.
256 max.
Calculations can be executed
*1
automatically in the PT.
*3
4,095 max.
*3
12,288 max.
Selectable from BCD (binary coded
decimal) or binary
5 words (partial change of contents)
2 words (partial change of contents)
9 words*4
Not possible (Use a screen switchover
as a substitute.)
- Multiple lines can be displayed
- ON/OFF switching is possible
- Numeral display is possible
- Character string display is possible
Operations can be disabled from the
PC by allocating interlock bits to the
corresponding touch switch, numeral
input, or character string input.
*1
Possible
1-2
*3
*3
*1
*1
*1
*1
*1
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