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UP55A Datasheet(PDF) 1 Page - Yokogawa Electric Korea Co., Ltd.

Part No. UP55A
Description  Equipped with a large-capacity program
Download  13 Pages
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Maker  YOKOGAWA [Yokogawa Electric Korea Co., Ltd.]
Homepage  https://www.yokogawa.com/kr/

 1 page
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Program Controller
Yokogawa Electric Corporation
2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 Japan
Tel.: 81-422-52-7179 Fax.: 81-422-52-6619
GS 05P02C41-01EN
GS 05P02C41-01EN
©Copyright Aug. 2010
7th Edition Mar.14,2016
The UP55A program controller employs an easy-to-
read, 14-segment large color LCD display, along with
navigation keys, thus greatly increasing the monitoring
and operating capabilities. A ladder sequence function
is included as standard. The short depth of the
controller helps save instrument panel space. The
UP55A also support open networks such as Ethernet
・Equipped with a large-capacity program
setting function that can store 99 program patterns
and 600 program segments. It can be used in a wide
variety of heating/cooling control applications (on
models with the /AP option).
• A 14-segment, active (PV display color changing
function) color LCD display is employed.
Alphabet letters can be displayed in an easy-to-read
The guide display shows parameter names.
• Easy to operate
Navigation keys (SET/ENTER and Up/Down/Left/
Right arrow keys) are employed to facilitate making
• 65 mm depth
The small depth enables the mounting in a thin and
small instrumented panel.
• Ladder sequence function is included as standard.
This function allows for creating a simple sequence
control. Dedicated LL50A Parameter Setting Software
(sold separately) allows for performing programming
using a ladder language.
• Various built-in open network functions such as
Ethernet are available.
Easy connection with various vendors’ PLCs is
• Quick setting function
Setting only the minimum necessary parameters for
operation is possible. (For single-loop control only)
• Equipped with a multitude of functions
Universal I/O and eight control modes (cascade
control, etc) are included as standard. PID control,
heating/cooling control, feed forward control, etc. are
• LL50A Parameter Setting Software (sold separately)
The parameters and ladder programs of UTAdvanced
digital indicating controller can be built from a PC
using this software. It makes data management even
• Dust-proof and drip-proof
IP66 (for front panel) (Not applicable to side-by-side
close mounting.)
NEMA4 (Hose-down test only)
Program Pattern Functions
The program setting function increases or decreases
the value of a target setpoint (SP) according to a
given program pattern that varies with time. The
controller stores two or more program patterns and
the operator can switch between them according to
the operating status. Each program pattern consists
of multiple line segments (program segments). The
operator sets the time interval of each program
segment using the segment time or slope. The
operator can also set such instructions as the number
of repeats, start/stop, and status output (event
output) for a given program pattern.
Number of Program
Max. 30 (Max. 99 with /AP option)
Number of program
segment per pattern
Max. 99 (Max. 600 with /AP option)
Total number of
program segments
Max. 300
(Total of all program patterns)
Segment time
0.00 to 999.59 (hour.minute or minute.
Number of PV event
PV event type
PV (measured value) high/low limit
SP (setpoint) high/low limit
Deviation high/low limit
Deviation high and low limits
Deviation within high and low limits
Target SP high/low limit
Target SP deviation high/low limit
Target SP deviation high and low limits
Target SP deviation within high and low
Control output high/low limit alarm
Cooling control output high/low limit alarm
Number of Time
Time of time event
0.01 to 999.59 (hour.minute or minute.
Number of
repeat cycle
0 to 999, CONT (limitless number of times)
Wait operation
5 groups
Can be set the upper-side wait zone and
the lower zone for program setpoint.
Fast-forwarding of
program operation
1: Normal, 2: Twice, 5: Five times, 10: Ten
times, 20: Twenty times
Use this function when checking the
program pattern setting. Only Time of
Segment and Time event can be faster.

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