Unitech UT-102 User manual

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Model No. : UT-102
UNIVERSAL PROCESS INDICATOR / CONTROLLER
INSTRUCTION MANUAL
M
96 x 96 Flame Proof
UT-102
M
COM
www.utplindia.in
RL-2
RL-1
RL-4
RL-3
102.0
102.0
UT-102
M
COM
www.utplindi a.in
RL-2
RL-1
RL-4
RL-3
102.0
102.0

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UT-102 UNIVERSAL PROCESS INDICATOR & CONTROLLER
I
WARNING
Electrical Consideration / Precautions
The controller is considered “Rack and panel mounted equipment” per EN 61010-1, Safety Requirements for
electrical equipment for Measurement, Control and Laboratory Use, Part 1: General Requirements. Conformity
with 2/23/EEC Low Voltage Directive, requires the user to provide adequate protection against a shock hazard.
The user shall install this controller in an enclosure that prevents OPERATOR access to the rear terminals.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN DEATH OR SERIOUS INJURY.
Shielded twisted pair cable is required for all Analog Input & Output, Process Variables,
RTD, Thermocouple, DC volts-mV, low level signal, mA, Alarm Outputs, and Computer
communication interface circuits.
CAUTION
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PRODUCT DAMAGE.
Power Supply / Wiring Requirements
Applying 240V AC to a controller rated for 12-24VDC will severely damage the controller
and is a fire and smoke hazard.
This controller is suitable for connection to 230 + 15% VAC, 50 Hz or 12 / 24 VDC, power mains.
It is the user responsibility to provide the following
230 + 15% VAC - a switch, fuse (1/2A, 250V) or a circuit breaker.
12 / 24 VDC – a switch, fuse (1A, 125A) or a circuit breaker.
The above items should be installed together with UT-102 for the products electrical protection.
The switch, Fuse or circuit-breaker should be located close to the controller, within easy reach
operator. The switch or Circuit-breaker should be marked as the disconnecting device for the
controller. applying power to Multiple instruments, make sure that sufficient current is supplied,
Otherwise, the instruments may not start up normally due to the voltage drop caused by the in-
rush current.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PRODUCT DAMAGE.
Disposal action of Instruments follows as per country and regional law and rules & regulation also same in
international. Company might be follows as per rules.
DISPOSAL ACTION
PRE CAUTIONS, WARNING AND DISPOSAL ACTION
Line voltage Wiring

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CONTENTS
2. INSTALLATION
2.1 MOUNTING
2.2 EXTERNAL DIMENSION
2.3 TECHNICAL SPECIFICATIONS
2.4 WIRING DIAGRAM
3. PROGRAMMING
3.1 OPERATION INTERFACE
3.2 MODE ACCESS FLOW CHART
4.1 CONFIGURATION MODE
4. OPERATIONAL MODES
4.2 SETUP MODE
4.3 CALIBRATION MODE
4.4 CHANGE PASSWORD MODE
4.5 ERROR MESSAGE.
5. COMMUNICATION [MODBUS RTU] PROTOCOL
5.1 INTRODUCTION
5.2 MODBUS CONFIGURATION BASIC SETTINGS
5.3 REGISTER ADDRESSES FOR MODBUS / RTU PROTOCOL
1. OVERVIEW
1.1 INTRODUCTION
2
2
2
2
2
3
4
5
5
6
7
7
9
10
11
11
12
12
12
12
12
5.4 MODBUS SYSTEM SCHEMATIC.
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UT-102 UNIVERSAL PROCESS INDICATOR & CONTROLLER
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1.1 Introduction
Function
Mount Anywhere
The instrument can be configured for RTD or Thermocouple or Linear input by making changes in
configuration mode using 4 keys provided. This instrument can operate with full range for all inputs.
Unitech Instrument’s Universal Indicator is designed to accept thermocouple or RTD or Linear Input and
displays the process parameter through a 4 Digit Red LED Display.
The instrument is available in a panel mounted housing which requires a cut out as per Panel cutout Dime-
- nsions given later . A variety of power supply options are available for this. The instrument has low drift
precision components for long trouble free operation. The instrument is a jumper less system. There are
different types of modes such as normal mode, operation mode, configuration mode, setup mode, and
change password mode. 4 keys provided can do any change in the mode.
Two different configuration levels provide easy access to parameters. A4 digit security code perverts una-
uthorized changes. Parameters can also be hidden to user to prevent improper configuration of the unit
The UT-102 product group is Process control instruments that must be panel mounted. The wiring terminals
must be provided. the UT-102 is environmentally hardened and, if suitably handled, can be mounted virtua-
-lly anywhere in plant or factory; in a panel or enclosure wall mounted or Flameproof enclosure or even on
the process machinery. it can withstand ambient temperature up to 50°C
Easy to Configure
1. OVERVIEW
2.1 Mounting
2.2 External Dimension
2. INSTALLATION
CAUTION
The product can be mounted on tilted or horizontal
panel using the mounting clamps supplied. Proper
space must be available at the back of the panel for
installation and maintenance activity.
Installation Mounting Precautions
FAILURE TO COMPLY WITH THESE INSTRUCTION MAY
RESULT IN INSTRUMENT DAMAGE
Side View
DIMENSION
Model A B D CE
UT - 102
96 90
10 120
90+0.5
96 90+0.5 120
100
All dimensions are in mm
8.8.8.8.
100.0
UT-102
M
COM
www.utplindia.in
RL-2
RL-1
RL-4
RL-3
8.8.8.8.
100.0

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Flame Proof
K : -50~1200˚C
R : 0~1750˚C
T : 0~400˚C
INPUT
RANGE
High scale / Low scale Full range as per input selection
General
Specificaion
Power Supply 110/240V AC, 50Hz, 12/24VDC [Optional on demand]
Power Consumption 4 Watts Maximum
Operating Ambient Temp. : 0~50˚C, Humidity : Below 90% Non condensing
Input
Type Of Input
T/C K, J, R, S, T, E
RTD Pt-100, Pt-1000, Cu-53 [2 wire, 3 wire]
Linear : 4 ~20mA DC, 0~20mA DC, 0 ~5 Amp AC
CURRENT [Analog]
VOLTAGE [Analog]
Linear : 0.5~2.5VDC, 1~5VDC, 0~10VDC
SPECIAL ON DEMAND
Linear : 0~75m/0~200mVDC, 0~100/200/300VDC
Indication
Display Indication [PV] : 0.56” 4 Digit [SV]: 0.56” 4 Digit, 7 Segment Red Display in Double row.
Relay Status Front Red LED for all Relay Alarm status
RTD Pt-100 : -50~400˚C
Linear All DC & AC : -1999~9999 Display
CURRENT [Analog]
VOLTAGE [Analog]
Linear All DC : -1999~9999 Display
SPECIAL ON DEMAND
Linear : -1999~9999 Display
T/C
Accuracy
T/C + 0.25% of Full Scale
RTD Class A
+ 0.1% of Full Scale
ANALOG [V & I]
SPECIAL ON DEMAND
+ 0.1% of Full Scale
Automatic Software based self compensation
Cold Junction Comp.
“OPEN” or “OVER” indication on display
Sensor Break Info.
AS per Input Range Table
Range Limits
>330 K for Voltage ,mV, and T/C, 100 R for current
Input Impedance
Status indication
Alarm modes
LEDs for Relay status & Communication
Low / High
Control Mode On Off control
Dead Band controls High and Low Set point for level application
Relay / SSR Max. : 4 Nos.
Relay Output
SSR [Volt] Output
Retransmission
24VDC @ 20 mA ,12VDC @ 20 mA
Linear : 0~20/ 4~20 mA DC, 0~10 VDC
NO-C-NC Contacts , 5A@240 VAC Resistive, up to 1 to 4 Relays as per size
Other Output
Transmitter Power Supply : Isolated 24VDC@30mA ,Max.
Output
Prog. parameters
Modbus RTU RS- 485/RS- 232 Communication
Baud rate, Parity, Node address, Stop bit
Protocols & method
Max. Connections
Communication
Up to 128 Units
Programmable
Parameters
Display resolution
Setpoint / Hysteresis
Relay logic
Full range as per input selection
-1999 to 9999 fully configurable for linear input
F.S. high & low alarm
Enclosure [If Reqd.] FC-1 [1-Compartment] OR FC-2 [2-Comp.] : IIA, IIB Exter. keys & Cable Entries
TECHNICAL SPECIFICATIONS
INPUT RANGE
J : -50~750˚C,
S : 0~1750˚C,
E : -50~400˚C,
2.3 Technical Specifications

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UT-102 UNIVERSAL PROCESS INDICATOR & CONTROLLER
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2.4 Wiring Diagram
CAUTION
WIRING CONSIDERATION
Shielded twisted pair wire is used for all analog I/P, Process sensors RTD,
Thermo-couple, mV-mA DC, Volt DC, Linear input and Communication.
FAILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT
IN INSTRUMENT DAMAGE
CAUTION
LINE VOLTAGE
This product is suitable for connection 110/230VAC, 50Hz or 12/24 VDC main power
supply. It is user responsibility to provide proper protection for the products electrical
protection .
when applying power to various instruments, make sure sufficient current is supplied.
otherwise the instruments may not start up due to the Voltage drop.
FAILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT
IN INSTRUMENT DAMAGE
RTD
VDC
21
20
19
22
23
24
25
26
D+
NC NOC
RELAY-4
RS - 485
D-
NC NO
C
RELAY-3
NC
RELAY-2
NO CNC
NO C
RELAY-1
123456789
10
11
121314
A
B
B
OUTPUT
(Analog Out)
TPS
24VDC
v
SUPPLY
E P
UT-102
15161718
N
T/C
mA
Noise
Filter
POW ER
L
AC 230V, 50Hz
N
NOTE : 12VDC OR 24VDC SUPPLY CONTROLLERS ARE ALSO AVAILABLE ON DEMAND.
RELAY - 1
Relay Contact :
5A@240VAC
NC
C
NO
15 14 13
RELAY - 2
Relay Contact :
5A@240VAC
NC
C
NO
18 17 16
RELAY - 3
Relay Contact :
5A@240VAC
NC
C
NO
19 20 21
RELAY - 4
Relay Contact :
5A@240VAC
NC
C
NO
26 25 24
OUTPUT-RELAY
4~20/0~20mA
0~10/0~5VDC
12
V
RETRANSMISSION
RE-TRANSMISSION
B
RTD
PT-100 / 1000
345
BA
J / K / R / S / T / E
+
-
Shorng
345
-
3 WIRE
5698
T
mA Input TPS 24VDC
Transmier
TRANSMITTER
2 WIRE
5698
T
mA Input TPS 24VDC
Transmier
TRANSMITTER
4 20mA / 0 20mA
~~
CURRENT[mA]
65
0 VDC5 /10
~
V
VOLTAGE
5
6
7
THERMO-
COUPLE
INPUT
OUTPUT-SSR
24VDC@20mA
12VDC@20mA
24VDC@20mA
12VDC@20mA
SSR-1
14 13
17 16
SSR-2
SSR-3
20 21
25 24
SSR-4
COMMUNICATION
RS-485
22 23
COMMNICATION
D+ D-
SUPPLY
230+15VAC
10 11
AC SUPPLY
P N
12
E
24 / 12 VDC
DC SUPPLY
10 11

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4 Digit 7 segment dedicated to display the present value. In Programing
mode it shows Parameter.
RL-1 LED It indicates the status of Relay-1, When LED is On, Relay is Off and When
LED if Off, Relay is On.
RL-2 LED It indicates the status of Relay-2, When LED is On, Relay is Off and When
LED if Off, Relay is On.
COM LED It indicates the active Communication between devices. When LED is Blink,
the communication is active.
KEYS
MODE KEY Press MODE or Function key with Pass key allows to access the program-
-ming group or parameters. press this key to return to the normal view.
NORMAL VIEWS
ENTER KEY ENTER Key allows enter into the Parameter, moving from one parameter
to another or saving a new value of parameter or a status of parameter.
Press to change set points in normal view.
UP KEY UP Key allows increasing the value of a digit selected or changing the
status of parameter in programming mode. Press to change set points in
normal view
PASS KEY PASS Key allows pass the digit of a value from right to left of a selected
parameter in programming mode. In some Parameter it also change or
decrease the value.
3. PROGRAMMING
3.1 Operation Interface
FRONT VIEW
RL-3 LED It indicates the status of Relay-3, When LED is On, Relay is Off and When
LED if Off, Relay is On.
RL-4 LED It indicates the status of Relay-4, When LED is On, Relay is Off and When
LED if Off, Relay is On.
8.8.8.8.
100.0
UT-102
M
COM
www.utplindia.in
RL-2
RL-1
RL-4
RL-3
8.8.8.8.
100.0
PASS Key
Present Value
Display
UP Key
MODE Key
ENTER Key
Relay-1 LED
Relay-3 LED
COM LED
Relay-2 LED
Relay-4 LED
Set Value
Display
Present Value [PV]
Display
4 Digit 7 segment dedicated to display the selected Set value. In the
Programing mode it shows Value of Parameter.
Set Value [SV] Display

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*
*
*
Default Password will be 0000
Protected Parameter Password will be 1111
NOTE :
These are the whole parameter list. Parameters
can be very as per Type or Requirement by User.
*
To come out from Programming Mode to
Normal mode Press key in any step.
WARNING
INJURY
Programming parameter should be accessed only by Personnel who are
technically competent to do so. Local regulations regarding electrical &
safety must be observed.
FAILURE TO COMPLY WITH THESE INSTRUCTION COULD BE RESULT IN SERIOUS INJURY OR DEATH
PV
SV
3.2 Mode Access Flow Chart.
8888
8888
Normal Mode
Mode Selection
Configuration Setup
Mode Mode
Change
Password Mode
Calibration
Mode
Password Protected
Password Protected Password Protected
*Any New Password
*
BAUD
9600
PR1T
NoNE
CTYP
LEAN
oFfS
0038
GAIN
0007
COnf
0000
1NP
Pt-1
TSP1
L oN
TSP2
L oN
DP
0001
DEAD
no
TSP3
L oN
TSP4
L oN
SETP
0000
ZERO
000.0
SPAN
100.0
SP1
030.0
HYS1
000.2
SP2
050.0
HYS2
000.2
SP3
060.0
HYS3
000.2
SP4
080.0
HYS4
000.2
oFST
000.0
oP-L
000.0
oP-H
100.0
CAL
0000
CALZ
CALS
CALL
CALH
CALA
CPAS
oPAS
0000
nPAS
8888
0000
Press + key to enter into
the Programming mode from
Normal mode
NADD
0001
MODE MODE MODE MODE
pass pass pass pass
D-sp
sp-1

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‘Configuration Mode’ will shown by pressing & key simultaneously.
4.1 Configuration Mode
4. OPERATIONAL MODES
Range / Values
Parameter
pass
0000
CONFIGURATION MODE PASSWORD
Password for Config. Mode Parameters
Display
: Special Input (RH etc.)
: PT-100 (RTD)
: Linear 1 - 5 V DC
: Linear 0 - 20 mA DC
: Linear 4 - 20 mA DC
T. TC
S. TC
R. TC
J. TC
: ‘T’ Type Thermo-Couple
: ‘S’ Type Thermo-Couple
: ‘R’ Type Thermo-Couple
: ‘K’ Type Thermo-Couple
: ‘J’ Type Thermo-Couple
: Linear 0.5 - 2.5 V DC
: Linear 0 - 10 V DC
: CU-53 COPPER SENSOR
E. TC : ‘E’ Type Thermo-Couple
Scroll the digit by key, Increase by key.
Range : Values between 0000 to 9999
Default Input : Pt-1 , It can be change as reqd.
1nP
pt-1
INPUT TYPE
Selection of the applied Input.
Change the type Up by key, Down by key.
Range : Input Type is as follows:
. TC
4
spCL
pt-1
1-5v
0-20
4-20
2.5v
10v
CU53
Default Value : 0000
tsp1
L on
ALARM 1 RELAY ACTION
Alarm Relay activation direction.
Values :
Default Value : L on
: No decimal (1234)
0000
: Active in High
H oN
ON
OFF PV
SV
ON
OFF PV
SV
L ON :
: Active in Low
L oN
H ON :
: One decimal (123.4)
0001
: Two decimal (12.34)
0002
: Three decimal(1.234)
0003
SV-Hyst
SV+Hyst
Change the value by key, or by key.
tsp2
L on
ALARM 2 RELAY ACTION
Alarm Relay activation direction.
Values :
Default Value : L on
: Active in High
H oN
: Active in Low
L oN
Active same as above
Increase by key, Decrease by key.
dp
0001
DECIMAL POINT [LINEAR INPUT]
Decimal Point resolution for display value.
Values :
Default Value : 0001
NOTE : Applicable for Analog Linear input only.
Change the value by key, or by key.
tsp3
tsp4
ALARM 3 & 4 RELAY ACTION
Alarm Relay activation direction.
Values :
Default Value : L on
: Active in High
H oN
: Active in Low
L oN
Active same as above
Change the value by key, or by key.
&

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Continue Configuration Mode
Range / Values
Parameter
nadd
0001
NODE ADDRESS [COMMUNICATION]
Device Address for Communication
Display
Increase the no. by key, decrease by key.
Range : Values between 0001 to 0127
Default Value : 0001
: Baud Rate 4800
4800
: Baud Rate 9600
9600
: Baud Rate 19200
19.2k
Change value by key, or by key.
baud
9600
BAUD RATE [COMMUNICATION]
Baud Rate for Communication
Values :
Default Value : 9600
NOTE : Applicable if Communication Output.
NOTE : Applicable if Communication Output.
: Even Parity
EvEn
: Odd Parity
Odd
: None Parity
none
Change value by key, or by key.
pr1t
none
PARITY [COMMUNICATION]
Parity check for Communication
Values :
Default Value : none
NOTE : Applicable if Communication Output.
: Linear Cycle
Lean
: Square root Cycle
SQrt
Change value by key, or by key.
Ctyp
Lean
CYCLE TYPE [LINEAR INPUT]
Value display for Analog input.
Values :
Default Value : Lean
NOTE : Applicable for Analog Linear input only.
oFfS
0038
OFFSET FOR INPUT [FACTORY SET VALUE]
Offset Parameter for corresponding Input
Value : Factory Set for every Input
Default Value : 0038 (As per Input)
NOTE : Factory set value, don’t change.
Ga1n
0007
GAIN FOR INPUT [FACTORY SET VALUE]
Gain Parameter for corresponding Input
Value : Factory Set for every Input
Default Value : 0007 (As per Input)
NOTE : Factory set value, don’t change.
: Selected
YES
: Not
no
DEAD
no
DEAD BAND
Operate Relay-1 on two setpoints
Values :
Default Value : no
If set as YES, Only Relay-1 get operated in this
parameter, relay get active on set point 1[SP1]
value and deactivate in set point 2[SP2] value.
Used for Level Control & Fan Operation.
Increase by key, Decrease by key.
WARNING
PERSONAL INJURY :
Configuration should be performed only by personnel who are technically competent to do
so. Local Regulations regarding electrical & safety must be observed.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN DEATH OR SERIOUS INJURY.
d-sp
sp-1
DEFAULT SET POINT DISPLAY
Default selected Set Value [SV] to be displayed.
NOTE : Only one from SP-1 or SP-2 selected.
Increase by key, Decrease by key.
: Set Point-1
sp-1
: Set Point-2
sp-2
Values :
Default Value : sp-1

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‘Setup Mode’ Mode will shown by pressing key, after Conf Mode display.
4.2 Setup Mode
sp3
sp4
sp2
Hys3
Hys4
Hys2
Range / Values
Parameter
pass
0000
SETUP MODE PASSWORD
Password for Setup Mode Parameters
Display
Scroll the digit by key, Increase by key.
Range : Values between 0000 to 9999
Default Value : 0000
ZERO
000.0
ZERO or LOW DISPLAY VALUE [LINEAR INPUT]
Display value at Low Input applied.
NOTE : Applicable for Analog Linear input only.
Scroll the digit by key, Increase by key.
Range : Values between 1999 to 9999
Default Value : 000.0
-
Scroll the digit by key, Increase by key.
Range : Values between 1999 to 9999
Default Value : 100.0
-
span
100.0
SPAN or HIGH DISPLAY VALUE [LINEAR INPUT]
Display value at High Input applied.
NOTE : Applicable for Analog Linear input only.
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : 030.0
-
sp1
030.0
ALARM SET POINT # 1
Activation value for Alarm Relay-1
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : 000.2
-
Hys1
000.2
HYSTERESIS ALARM # 1
Value Diff. between On and Off of Relay-1
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : As per User’s set Reqd.
-
ALARM SET POINT # 2, 3 & 4
Activation value for Alarm Relay-2, 3 & 4
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : 000.2
-
HYSTERESIS ALARM # 2, 3 & 4
Value Diff. between On and Off of Relay-2, 3 & 4
(According to Decimal point)
(According to Decimal point)
(According to Decimal point)
(According to Decimal point)
(According to Decimal point)
(According to Decimal point)
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : 000.0
-
ofst
000.0
OFFSET TO PROCESS VALUE
This parameter Increase OR Decrease PV Display (According to Decimal point)
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : 000.0
-
op-L
000.0
OUTPUT LOW [ANALOG OUTPUT]
Low Analog Re-transmission Output at this PV. (According to Decimal point)
Scroll the digit by key, Increase by key.
Range : Values between 199.9 to 999.9
Default Value : 100.0
-
op-H
100.0
OUTPUT HIGH [ANALOG OUTPUT]
High Analog Re-transmission Output at this PV. (According to Decimal point)

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‘Calibration Mode’ Mode will shown by pressing key, after Setp Mode display.
4.3 Calibration Mode
Range / Values
Parameter
pass
0000
CALIBRATION MODE PASSWORD
Password for Calibration Mode Parameters
Display
Scroll the digit by key, Increase by key.
Range : Values between 0000 to 9999
Default Value : 0000
CALz
----
CALIBRATION ZERO or LOW INPUT
Calibration Zero / Low at Low / Zero PV Input.
NOTE : After Zero Cal. press key for next Para.
Apply Low signal [as per input] & press key.
Range :
Default Value : ----
According to Input Type
CALS
----
CALIBRATION SPAN or HIGH INPUT
Calibration Span / High at Span / High PV Input.
NOTE : After Span Cal. press key for next para.
Apply High signal [as per input] & press key.
CALL
strt
CALIBRATION LOW [RETRANSMISSION] OUTPUT
Calibration desired Low Output at PV Display.
NOTE : After out low cal. press key for next Para.
Set output by , & key, press key
for desired low measured output achieved.
Note : After Calibration random value
appeared in display, as per input.
Refer below Table for Cal. values range.
Note : After Calibration random value
appeared in display, as per input.
Refer below Table for Cal. values range.
Range :
Default Value : ----
According to Input Type
Note : After Cali. random value should be
below 1000 appeared in display.
Range :
Default Value : strt -> to start cal.
According to Output Type
CALH
strt
CALIBRATION HIGH [RETRANSMISSION] OUTPUT
Calibration desired High Output at PV Display.
NOTE : After out low cal. press key for next Para.
Set output by , & key, press key
for desired high measured output achieved.
Range :
Default Value : strt -> to start cal.
According to Output Type
Note : After Cali. random value should be
below 8000 appeared in display.
CALa
0032
CALIBRATION AMBIENT [THERMO COUPLE INP.]
Ambient adjustment for compensation [T/C Inp.]
NOTE : After Amb. Cal. press key for exit.
Set Ambient Temp by & key,press key. Note : After Calibration random value
appeared in display, as per input.
Range :
Default Value : 0032
As per Ambient Temperature.
0100 ~ 0600
0200 ~ 1000
0200 ~ 1000
0200 ~ 1000
0200 ~ 1000
0200 ~ 1000
7000 ~ 8000
7000 ~ 8000
7000 ~ 8000
7000 ~ 8000
7000 ~ 8000
7000 ~ 8000
INPUT
J - T/C
K - T/C
R - T/C
S - T/C
T - T/C
E - T/C
0 mV
0 mV
0 mV
ZERO VALUE
FEED VALUE COUNT
SPAN VALUE
FEED VALUE COUNT
0 mV
0 mV
0 mV
18 mV
18 mV
42 mV
42 mV
42 mV
18 mV
INPUT ZERO VALUE
FEED VALUE COUNT
SPAN VALUE
FEED VALUE COUNT
0100 ~ 0600
0100 ~ 1000
0100 ~ 1000
0100 ~ 1000
0900 ~ 1500
7000 ~ 8000
7000 ~ 8000
7000 ~ 8000
7000 ~ 8000
2000 ~ 3000
4 ~ 20mA
0 ~ 20mA
1 ~ 5 VDC
10VDC
PT-100
4 mA
0 mA
1 VDC
0 VDC
20 mA
20 mA
5 VDC
10 VDC
CALIBRATION VALUES :
0°C
[100.0Ω]
100°C
[138.51Ω]

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[phone] , 9427301436
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UT-102 UNIVERSAL PROCESS INDICATOR & CONTROLLER
11
‘Change Password Mode’ Mode will shown by pressing key, after CAL Mode display.
Open the Input Connection
Sensor Break or Sensor disconnected.
Sign Description Solution
In case the following error messages appear in the display of controller,
please refer to the Error message table below, or call technical support.
OPEN Check the Input sensor wiring
Replace the sensor.
Check the Input sensor wiring
Check the Input type.
Adjust the Range
Excess of PV over the Span value
Check the Input sensor wiring
Check the Input type.
Adjust the Range
Shortage of PV over the Low value
vndr
Over
All LED’s and
display not light
No power to the controller
Controller circuit failed
Check the power connection
Check the supply voltage.
4.4 Change Password Mode
4.5 Error Message.
Range / Values
Parameter
PAsS
0000
CHANGE PASSWORD MODE PASSWORD
Password for Change Password Mode.
Display
Scroll the digit by key, Increase by key.
Range : Values between 0000 to 9999
Default Value : 0000
opas
0000
OLD EXISTING PASSWORD
Old - Default or Existing Password
Scroll the digit by key, Increase by key.
Range : Values between 0000 to 9999
Default Value : 0000
npas
8888
NEW DESIRED PASSWORD
Set new Required Desired Password
Range : Values between 0000 to 9999
Default Value : As per new required.
(Any value) Scroll the digit by key, Increase by key.
CAUTION
PASSWORD PRECAUTIONS
FAILURE TO COMPLY WITH THESE INSTRUCTION MAY RESULT IN INSTRUMENT DAMAGE
*
*
After Changing old password, all parameter are locked. All Modes are not
accessible without new password.
Changed password should be remembered , it cannot be Reset at site.

5. COMMUNICATION [MODBUS RTU] PROTOCOL
5.1 Introduction
The unit can be connected in MODBUS/RTU communication data link protocol to messaging
structure, widely used to establish master - slave communications between devices. Each
device must have unique No. node address. Before starting any communication, choose a
baud rate compatible to the host device. A Modbus data sent from a master to slave tells the
selected slave what to do and what information to send back. The MODBUS/RTU protocol
works with RS232, RS485 and RS422 standards
5.2 MODBUS Configuration Basic settings
The Basic settings for RS-485 Modbus protocol are as follows :
Band rate
Start bit
Data bit
Stop bit
Parity
9600
1
8
1
none
5.3 Register addresses for MODBUS / RTU Protocol
The addressees for RS-485 Modbus protocol are as follows :
5.4 MODBUS system schematic.
DATA+
READ ONLY
SR. NO.
1 PROCESS VALUE [PV]
PARAMETER ABSOLUTE ADDRESS ACCESS TYPE
40001
READ / WRITE
3 SET POINT-1 [SP1] 40003
READ ONLY
2 DECIMAL POINT 40002
READ / WRITE
4 SET POINT-2 [SP2] 40004
READ ONLY
5 RELAY-1 STATUS 40005
READ ONLY
6 RELAY-2 STATUS 40006
The system schematic for RS-485 Modbus protocol are as follows :
DATA-
Ethernet
RS-232
or
RS-485
CONVERTER
D- D+
12
UT-102 Device-1
D- D+
12
D- D+
12
D- D+
12
RS-485 BUS
ADD:1 ADD:2 ADD:3 ADD:N
RS-485 BUS
Upto 128
devices
UT-102 Device-2 UT-102 Device-3 UT-102 Device-128
2 core 1 sq/mm shielded cable
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@
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[email protected]
[phone] , 9427301436
All content are subject to change without notice
due to continuous improvements.
Doc. Ref. 1410/R04/0819
UNITECH TECHNOCRATS PVT LTD
FACTORY:- 78/1/Z/3-Makarpura G.I.D.C.,
N/R Vadasar Bridge. O/p-Gayatri Temple
VADODARA - 390010. Gujarat, INDIA 12
UT-102 UNIVERSAL PROCESS INDICATOR & CONTROLLER
COMPUTER- SCADA