Section; Comparison Between Nt30/Nt30C And Nt31/Nt31C - Omron NT31 Setup Manual

Functions of the NT31/NT31C
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Comparison between NT30/NT30C and NT31/NT31C

Item
Support Tool used
DIP switches
Use of B7A Unit
Use of Memory Unit
RS-232C interface
RS-422A/485 interface
Backlight color
Replacement backlight
NT31/NT31C system program
data
High-speed 1:N NT Link
Memory System program
Link
Screen data
LCD contrast adjustment
Backlight brightness adjustment
Number of user-registered
screens
*1
Screen data capacity
(User program memory)
Numeral string data
Character string data
Bit data
Mathematical tables
Image data
Library data
Method for storing numeric val-
ues
(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 labels
Interlock function
Device monitor function
Recipe function
Accessible CS/CJ-series PLC
data areas
*1
This is the capacity of the flash memory that stores screen data.
*2
The values are the same as the NT30/NT30C when the PT is in NT30/620 compatible mode.
For differences in programming, refer to Appendix B in the NT31/NT31C/NT631/NT631C Programmable Termi-
nal Reference Manual.
NT30/NT30C
NT-ZJCAT1-EV4 or NT-ZA3AT-
EV2
On rear of PT
Possible
Not possible
Connector (9-pin) also used as
port for screen data transfer.
Terminal block
White/red (selectable)
NT30-CFL01/NT30C-CFL01
NT-ZS3AT-EV1
(including system installer)
Not possible
Exclusive use by Memory Link
Shared with OMRON connection Exclusive use by Memory Link
By a control on the rear of the PT By touch panel operation
Not possible
Maximum of 2000
512 KB
Maximum of 1000
Maximum of 1000
256
None
Maximum of 224
Maximum of 896
Fixed as BCD (binary coded dec-
imal)
4 words
3 words
None
Possible
Fixed display (1 line only)
None
Not possible
None
---
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)
White only
NT31C-CFL01 (Same for both the NT31-ST121@-EV2 and NT31C-
ST141@-EV2).
The backlight cannot be replaced by the user for the NT31-ST122@-EV2,
NT31C-ST142@-EV2, NT31-ST123@-EV3, and NT31C-ST143@-EV3.)
The system installer and system program data are supplied with the Sup-
port Tool.
Possible
Same as OMRON connection
By touch panel operation
Maximum of 3999
1 MB
Maximum of 2000
Maximum of 2000
Maximum of 1000
256 max.
Calculations can be executed automatically in the PT.
*2
Maximum of 4095
*2
Maximum of 12288
Selectable from BCD (binary coded decimal) or binary
5 words (partial change of contents)*
2 words (partial change of contents)*
9 CH
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 PLC by allocating interlock bits to
the corresponding touch switch, numeral input, or character string input.
Possible
Possible
The data areas listed below can be accessed in addition to the data
areas accessible with the NT30/NT30C.
• EM banks (EM_0 to EM_C)
• Timer completion flags (TU)
• Counter completion flags (CU)
• Work areas (WR)
• Task flags (TK)
• HR area

Section 1-2

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