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8
Functions of NT20S
Section 1-2
1-2-4
Differences Between Existing Models and NT20S-ST121-EV3
The differences between the existing NT20S-ST121, NT20S-ST121-V1/
ST122-V1/ST121-V2 models for direct connection and the upgraded version
NT20S-ST121-EV3 are indicated in the table below.
Item
ST121
ST121-V1/
ST122-V1
ST121-EV3
Communication type
Host link/NT link (1:1 con-
nection) built in
ST121-V1:
Host link/NT link (1:1 con-
nection) built in
ST122-V1:
C200H direct communication
built in
S
Host link/NT link (1:1
communication)/NT link
(1:N connection) built in
“PT type” setting made with
support tool
“20M”
“20S” (“20M”–compatible mode available)
Memory capacity
64KB
96KB
Max. number of screens
250
500
Screen transmission speed
Standard only
Standard, high-speed
Screen transmission unit
File units only
File units, screen units
Direct connection version
Ver.4 only
Ver.4, Ver.5
(
)Refer to the “PC Connection, Operation Manual” (V042-E1-
j
).
Differences between NT20S-ST12
j
and NT20S-ST16
j
.
S
The only way in which NT20S-ST161 differs from NT20S-ST121 is that the dis-
play is a monochrome liquid crystal display. Functionally, the NT20S-ST121 and
NT20S-ST161 are absolutely identical and therefore if you are using an
NT20S-ST161 please refer to the explanations for the NT20S-ST121.
S
The only way in which NT20S-ST168 differs from NT20S-ST128 is that the dis-
play is a monochrome liquid crystal display. Functionally, the NT20S-ST128 and
NT20S-ST168 are absolutely identical and therefore if you are using an
NT20S-ST168 please refer to the explanations for the NT20S-ST128.
Difference between direct connection Ver.4 and Ver.5
Ver.5 of the direct connection function has the following additional functions in
comparison with Ver.4.
S
“Thumbwheel” type setting possible with the numeral setting function.
S
Upper and lower limit check can be set with the numeral setting function.
S
The type of operation (alternate, set, reset) can be selected for touch switch in-
put notification.
S
Indirect specification possible for numeral display and character string display
functions.
Summary of Contents for NT20S
Page 1: ...Cat No V020 E1 04 NT20S Programmable Terminal OPERATION MANUAL ...
Page 2: ...i ...
Page 3: ...ii ...
Page 4: ...iii NT series Programmable Terminal Operation Manual Revised August 1997 ...
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Page 7: ...vi ...
Page 11: ...x ...
Page 19: ...xviii ...
Page 129: ...110 ...
Page 169: ...150 ...
Page 253: ...234 ...