Omron NT21 Series, Reference Manual

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1-2 Section Functions of the NT31/NT31C and NT631/NT631C
8
Item NT31/NT31C NT30/NT30C
Recipe function None Possible
*1
Accessible CS1 PC data areas --- The data areas listed below can be
accessed in addition to the data areas
accessible with the NT30/NT30C.
*5
- EM banks (EM_0 to EM_C)
- Timer completion flags (TU)
- Counter completion flags (CU)
- Work Area (WR)
- Task flags (TK)
- HR Area
*1: These functions are available only in V2 versions of the NT31/NT31C.
*2: This is the capacity of the flash memory that stores screen data.
*3: The values are the same as the NT30/NT30C when the PT is in NT30/620 compatible mode.
*4: The window control area can be used only in the V
j
versions of the NT31/NT31C.
*5: These data areas are accessible only when the PT is connected to the CS1 PC in a 1:N NT Link. (They are not
accessible through host link communications.)
For differences in programming, refer to Appendix B Compatibility with Screen
Data of Other PT Models on page 429.
Differences between the NT620S/NT620C/NT625C and NT631/NT631C
Item NT620S/NT620C/NT625C NT631/NT631C
Compatible Support Tool(s) NT - ZJCAT1 - EV4 or
NT - ZA3AT-EV2
NT - ZJCAT1 - EV4
DIP switches On rear of unit 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
communications only, 25-pin)
RS - 422A/485 interface NT620S/NT620C: None
NT625C: Terminal block (Select
RS-232C or RS-422A/485 with the DIP
switch.) Terminal block (A memory switch can
set the RS-232C connector as serial
port B.)
Replacement backlight NT620C
-
CFL01 (NT620C)
NT610C
-
CFL02 (NT625C)
NT631C
-
CFL01 (for ST151)
NT631C
-
CFL02 (for ST141)
NT631/NT631C system program
data NT620-ZS3PC/ZS3DV-EV1
(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
*1
Memory
Li k System program Exclusive use by Memory Link Same as OMRON connection y
Link
Screen data Shared with OMRON connection Exclusive use by Memory Link
LCD contrast adjustment By a control on the rear of the unit Adjustable with touch panel operation.
(NT631-ST141
j
-V2 only)
Backlight brightness adjustment Not possible Adjustable with touch panel operation.
(NT631-ST141
j
-V2 only)
Number of user - registered screens 2,000 max. 3,999 max.
Screen data capacity*2
(User program memory)
NT620S: 512 KB
NT620C/NT625C: 1 MB 1 MB
Numeral string data 1,000 max. 2,000 max.
Character string data 1,000 max. 2,000 max.
Bit data 256 1,000 max.
Mathematical table None 256 max.
Calculations can be executed
automatically in the PT.
*1
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