Samwontech NOVA541 User manual

N
NO OV VA A5 54 41 1
Digital Controller ST541
User’s Manual
SAMWONTECH CO., Ltd.

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Limitations in use
Thank you very much for the purchase of SP541 PROGRAM CONTROLLER.
This User’s Manual explains the Installation and Operation Procedures.
The safety considerations and the right way of use are also included in it. A
designer of the control panel, an Engineer of maintenance and users should
read it and understand the necessary items before use.
This manual is also necessary for repairing, trouble shooting as well as an
installation.
Keep it near at hand and use it as a reference.
This product was designed and manufactured for general industrial equipments.
Special cares on safety is required in the case of using in following equipments.
Users should take precautionary measures on Fail Safe design, periodical checkup,
safety of the whole system.
▪Safety Devices for protecting human body.
▪Direct control of vehicles (navigation, run and stop)
▪Airplanes
▪Self-control Equipments
▪Nuclear Power Equipments
Do not use for any purpose which affects the human body.

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Important Safety Guide
To prevent an accident of injury, All the Installers and users should keep the safety
rules in this manual.
SAFETY SYMBOL MARKS
(A) “Handle with Care” , “Precaution”: The operator must read and keep in mind the explanation
because it is critical to protect a person or an instrument.
(1) On Product : The essential items the operator should know to prevent accidental injury
or damage of the instrument.
(2) In User’s Manual : For the precautions necessary to prevent an accidental electric
shock.
(B) “Protective Ground Terminal”.
Prior to operating, the terminal must be connected to the Ground.
(C) “Supplementary Explanations”.
Additional information on the operation and features of the product
(D) “Reference Information”
Further information on the current topic and pages to refer
Precautionary Remarks on this User’s Manual
(1) This manual should be passed on the end user and kept at a suitable place for easy
review.
(2) Before using the product, the operator should read this book carefully and understand
the operation procedure.
(3) This manual describes the functions of the product in detail. Samwontech does not
☞☞

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warrant that the functions will suit a particular purpose which is not described in this
manual.
(4) Without permission, the contents of this manual cannot be transcribed or copied in
part or wholly.
(5) The contents of this manual may be modified without previous notice.
(6) If any errors or omissions in this manual should come to the attention of the user,
feel free to contact our sales representatives or our sales office.
Regarding Safety and Unauthorized Modification
(1) For the protection and safe use of the product and relevant system, all of the safety
instructions and precautions are well recognized and strictly observed by all users.
(2) Samwontech does not guarantee safety if the product is not handled according to
this manual.
(3) If additional safety circuits for protection of system is required, Install them at outside
of this product not at inside.
(4) Don’t try to disassemble, repair, or modify the product. It may become the cause of
a trouble such as malfunction, electric shock, fire.
(5) When part replacement or consumables are needed, call to our sales office.
(6) Keep this product from moisture. It may become a cause of trouble.
(7) Be careful not to apply any shock or vibration to the product. It may cause damage
or malfunction.
Regarding an exemption from responsibility
(1) Samwontech co., Ltd does not make any warranties regarding the product except
Warranty conditions which mentioned in this manual.
(2) Samwontech assumes no liability to any party for any loss or damage, direct or
indirect, caused by the use or any unpredictable defect of the product.

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Regarding the Production Quality Assurance
(1) The guaranteed period of the production quality assurance is one year after end use
by it and it will be free of charge to fix defective product under regular usage
described in this manual.
(2) The fixing cost will be charged for defective product after warranty period. This
charge will be the actual cost of the fixing estimated by Samwontech.
(3) It will be charged even if within warranty period for following cases.
(a) Defect by an operator or the user’s default. (Initialize the product, forget password)
(b) Natural disaster (fire, flood)
(c) Additional shift after the first installation
(d) Improperly repaired, altered, or modified by the user.
(e) Power failure by unstable power supply
(4) If any A/S is required, feel free to contact our sales office or a representative.

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Precautions on Environment and Installations
Environmental Precautions
(1) Be sure to power on and operate the controller after installation on a panel to prevent
electric shock.
(2) Do not install the controller at following places or environment
■ Anybody may touch the terminal inadvertently
■Mechanical vibration or shock
■ Corrosive gas or combustible gas
■ Temperature fluctuation
■ Too hot (> 50℃) or Cold (< 10℃)
■ Direct rays of light or heat radiation
■ Magnetic or electromagnetic noise
■ High humidity ( > 85%)
■ Flammable materials
■ Wind blow, Dust with salt
■ Ultra violet rays
Precautions on Controller Mounting
(1) Keep the controller away from possible noise sources.
(2) Keep the controller in 10∼50℃, 20∼90%RH (non condensing) and be careful not to
expose heat generating sources.
(3) Do not mount with a position that the front panel facing downward
(4) Storage should be within -25∼70℃, 5∼95%RH (non condensing). At a cold
condition below 10℃, sufficient warming-up should be preceded by the control
operation.

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(5) Turn off the main power of the control unit before wiring to prevent electric shock.
(6) The power rating of the controller is 10 VA max. at 100∼240VAC, 50/60Hz. Be sure
to use suitable power source to prevent overheating or electric shock.
(7) Do not work with wet hands to prevent electric shock.
(8) The precautions and procedures in the manual should be kept to avoid a hazard
such as fire, injury, and electric shock.
(9) Installation and Operation procedures should be done just as in this manual.
(10) Make the grounding connection according to the way in manual. Do not use a tap
water piping, a gas pipe, a telephone line, a lightning rod to avoid possible accidents
such as explosion or inflammation.
(11) Do not power on the controller before the wiring procedure is not completed.
(12) Do not block or wrap the heat vent holes in the case of the controller. That may
cause a failure. Air gaps greater than 50 mm is necessary on the upper and bottom
sides of the controller.
(13) Over-voltage protection category II and Pollution Degree II are rated for the
controller.

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Engineering Units –EU, EUS
▶EU and EUS are used for the scaling of the parameters of the controller.
☞EU( ) : The Range of the Instrument, Engineering Unit
☞EUS( ) : The Range of the span of the Instrument, Engineering Unit
▶The Range of EU( ), EUS( )
RANGE
CENTER POINT
EUS-100 ~ 100%
RL ~ RH
| RH –RL | / 2 + RL
EUS -100 ~ 100%
- ( | RH –RL | + | RL | ) ~ RH
RL
EUS -100 ~ 100%
0 ~ | RH –RL |
| RH –RL | / 2
EUS -100 ~ 100%
- | RH –RL | ~ | RH –RL |
0
▶INPUT = TC.K2
▶RANGE = -200.0℃(RL) ~ 1370.0℃(RH)
RANGE
CENTER POINT
EUS-100 ~ 100%
- 200.0 ~ 1370.0℃
585.0℃
EUS -100 ~ 100%
- 1770.0 ~ 1370.0℃
- 200.0℃
EUS -100 ~ 100%
0 ~ 1570.0℃
785.0℃
EUS -100 ~ 100%
- 1570.0 ~ 1570.0℃
0.0℃
☞ABS denotes absolute value and does not change with input.
|RH|
|RL|
EU 0~100%
EU -100~100%
|RH - RL|
EUS -100~100%
|RH| - |RL|
EUS 0~100%
RL
RH
0

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Alpha-numeric Displays of the product
Numbers in 7-Segment LED Display
0
1
2
3
4
5
6
7
8
9
.
-
/
Half -
Half 1
Half -1
Alphabets in 7-Segment LED Display
A, a
B, b
C, c
D, d
E, e
F, f
G, g
H, h
I, i
J, j
K, k
L, l
M, m
N, n
O, o
P, p
Q, q
R, r
S, s
T, t
U, u
V, v
W, w
X, x
Y, y
Z, z
Note : Numeric 5 and alphabet S appear the same way

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CONTENTS
Important Safety Guide
Precautions on Environment and Installations
Engineering Units –EU, EUS
Alpha-numeric Displays of the product
PAGE
1. Introduction 14
1-1 Product outline 14
1-2 KEY Operaion 17
1-2-1 Part names and functions 17
1-2-2 KEY Operation 18
1-2-3 Front panel and LEDs 20
1-3 Terminal layout and connection diagram 21
1-3-1 Terminal layout 21
1-3-2 Connection diagram 21
1-4 Parameter Map (deployment diagram) 22
1-4-1 Parameter Flow 22
1-5 Initial parameter setting sequence 24
2. Electrical wiring 25
2-1 Power cable specification 25
2-2 Terminal connector specification 25
2-3 Countermeasures against noise 25
2-4 Wiring 26
2-4-1 Ground and power source 26
2-4-2 Sensor input 26
2-4-3 Control out 27
2-4-4 Digital output and input 28
2-4- Auxiliary Relay 29
2-4-6 CT sensor for detecting Heater Break 30
2-4-7 Front communication port 30
3. Mounting of the product 31
3-1 Dimensions 31
3-2 Panel cut-out size 31
3-2-1 Close-packed mounting 31
3-2-2 General mounting 31