Omron Programmable Terminals NT631C - Manual (Page 25)

8
Functions of the NT631/NT631C Section 1-2
1-2-3 Comparison between NT620S/NT620C/NT625C and NT631/
NT631C
Item NT620S/NT620C/NT625C NT631/NT631C
Support Tool used NT-ZJCAT1-EV4 or NT-ZA3AT-EV2 NT-ZJCAT1-EV4
DIP switches On rear of PT None (software settings)
Use of Memory Unit Not possible Possible
RS-232C interface Connector (9-pin) also used as port for
screen data transfer. - Serial port A connector (also used for screen
data transfer, 9-pin)
- Serial port B connector (for host communica-
tions only, 9-pin)
RS-422A/485 interface NT620S/NT620C: None
NT625C: Terminal block (DIP-switch
selectable between RS232C and RS-
422A/485)
Terminal block (serial port B; memory-switch
selectable between RS232C and RS-422A/485)
Replacement backlight NT620C-CFL01 (NT620C)
NT610C-CFL02 (NT625C) NT631C-CFL01 (for ST151; the backlight for the
NT631C-ST152
@-EV2, NT631C-ST153@-EV3,
however, cannot be replaced by the user)
NT631C-CFL02 (for ST141)
NT631/NT631C system pro-
gram data NT620-ZS3AT-EV1/EMV1
(including system installer) The system installer and system program data
are supplied with the Support Tool.
High-speed 1:N NT Link Not possible Possible
Memory
Link System program Exclusive use by Memory Link Same as OMRON connection
Screen data Shared with OMRON connection Exclusive use by Memory Link
LCD contrast adjustment By a control on the rear of the PT By touch panel operation
(Possible in the NT631-ST141
@-V2 only.)
Backlight brightness adjust-
ment Not possible By touch panel operation
(Possible in the NT631-ST141
@-V2 only.)
Number of user-registered
screens Maximum of 2000 Maximum of 3999
Screen data capacity
*1
(User program memory)
NT620S: 512 KB
NT620C/NT625C: 1 MB 1 MB
Numeral string data Maximum of 1000 Maximum of 2000
Character string data Maximum of 1000 Maximum of 2000
Bit data 256 Maximum of 1000
Mathematical tables None 256 max.
Calculations can be executed automatically in
the PT.
Image data Maximum of 224
Maximum of 4095
*2
Library data Maximum of 896
Maximum of 12288
*2
Method for storing numeric
values
(numeral memory data and PT
status control area) Fixed as BCD (binary coded decimal) Selectable from BCD (binary coded decimal) or
binary
PT status control area size 4 words
5 words (partial change of contents)
*2
PT status notify area size 3 words
2 words (partial change of contents) *2
Window control area size None 9 CH
Registering continuous screen Possible Not possible (Use a screen switchover as a sub-
stitute.)
Lamp/Touch switch labels Fixed display (1 line only) - Multiple lines can be displayed
- ON/OFF switching is possible
- Numeral display is possible
- Character string display is possible