1-2SectionFunctions of the NT21, NT31/NT31C and NT631/NT631C
5
Two Ports Featured as Standard:
Port A for Common Use by Support Tool/Host and Port B for Exclusive Use by the Host
• Communication with the host is possible via another port while connected to
the Support Tool.
• Reading bar code data from a bar code reader is possible via another port
while communicating with the host.
Rapid System Program & Screen Data Changes Possible Using a Memory Unit.
• Installing a Memory Unit (NT-MF261) on the rear of the NT21, NT31/NT31C or
NT631/NT631C makes it easy to write screen data into the PT onsite. This en-
ables a rapid response to setup changes.
• The NT21, NT31/NT31C, and NT631/NT631C can store a system program
into a Memory Unit. This enables the system to handle more flexible setups.
Screen data can be checked simply by operations in the NT21, NT31/NT31C, or
NT631/NT631C system menu, without connecting up to the Support Tool.
The NT21 data capacity of 512 Kbytes is over five times that of the NT20S and
the NT31/31C data capacity of 1 MB is twice that of the NT30/NT30C, enabling
storage of a larger quantity of screen data.
The number of elements that can be registered on one screen has been consid-
erably increased, making it possible to create more expressive screens. For de-
tails, refer to Display Restrictions (page 431).
It is now possible to write binary data stored in words at the host directly to the PT.
This makes data conversion by a program at the host unnecessary, reducing the
load on the host.
Any ×4 characters are displayed with a 32-dot high-definition font.
By using the system installer supplied with the ZJCAT1-EV4.6 Support Tool, the
system program at the NT21, NT31/NT31C or NT631/NT631C can be changed
easily from a personal computer.
The PTs meet UL/CSA standards and EC Directives.
Compatible with the Mitsubishi A Series (Calculator Link) and FX Series (Pro-
gramming Console), Allen-Bradley SLC 500 Series, GE Fanuc 90-20 and 90-30
Series, and Siemens S7-300 and S7-400 Series, Modicon TSX Series, Se-
quencers. Specialized system programs can be installed that allow the
NT31/NT31C or NT631/NT631C to be controlled from other companies’ Se-
quencers. (The NT21 does not support PCs made by other companies.)
Up to 3 windows can be displayed simultaneously in the normal display. A
9-word window control area has been allocated in the host; the contents of these
9 words can be changed from the Host to open, close, and move windows.
The V3 versions are compatible with the high-speed 1:N NT Link as well as the
earlier standard 1:N NT Link.
Operands (values referenced by equations) can be registered to allow the PT to
perform calculations automatically and write the results of those calculations to
numeral memory table entries or words in the host.
The new device monitor function can be used to change the PC’s operating
mode or display/change values in the PC’s memory areas. The PVs of several
words can be listed with the device monitor.
PT operations and inputs can be disabled from the PC if interlock bits have been
allocated in the PC for the corresponding PT touch switches, numeric inputs, or
string inputs.
Screen Data Check
Function
Increased Screen Data
Capacity (NT21 and
NT31/NT31C)
Large Increase in
Maximum Number of
Registered Elements
Binary Data can be Read
to/Written from the Host
Character Display Using
High Definition Fonts
Simple Upgrades
Complies with
International Standards
Compatible with Other
Vendors’ Devices
(NT31/NT31C and
NT631/NT631C)
Multiple Windows
High-speed 1:N NT Link
Additional Mathematical
Functions
Device Monitor Function
Interlock Function
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