DOTECH DP100-AR User manual

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DP100-AR R20200810
Differential Pressure Transmitter
※ Cautions
Cautions
1. This product may cause an electric shock in handling. Please do not attempt to open it with power turned on.
2. This product should be installed in a place fixed secured by a rack or panel.
3.This product can be used under the following environmental condition.
① Indoor ②Pollution Degree 2 ③At an altitude of 2000m or below
4. Power input must be within the designated ranges.
5. To turn on or turn off power supply for this product, please the circuit breaker or switch of a standard product of IEC 60947-1 or IEC 60947-3 product and install it
within a close distance allowing convenient operation by user.
6. Please be understood that if this product is dismantled or modified discretionary, after sales service will not be able to be provided.
7. An output wire to be used for this product should be inflammable grade FV1 (V-1 grade or above), the thickness
of the wire should be AWG No. 20 or above(0.50mm2).
8. In order to prevent it from an inductive noise, please maintain the high-voltage wire and power wire separated.
9. Please avoid installing the product in a place where a strong magnetism, noise, severe vibration and impact exist.
10. When extending the sensor wire, use a shield wire and do not extend it unnecessary long.
11. The sensor wire and signal wire should be away from the power and load wires using conduits separately installed.
12. Please avoid using the product near a device generating strong high frequency noise (high-frequency welding machine, high-frequency sewing machine,
high-frequency radiotelegraph, high capacity SCR controller)
13. Product’s damages other than those decribed in the guarantee conditions provided by the manufacturer shall not be respoinsible by us.
14. If this unit is used to control machineries (Medical equipment, vehicle, train, airplane, combustion apparatus, entertain
ment, processing and transportation
equipment, elevator and various safety device etc.) enabling to effect on human or property, it is required to install fail-safe device.
※ The Aforementioned precautions must be observed, and if you fail to do so, it may cause a product’s breakdown.
※ The specifications, dimensions, and etc. are subject to change for enhancement without a prior notice.
DP100-AR
User’s manual
DOTECH INC.
6F, JOONGANG-ILBO B/D, 30, Dongsan-ro, Danwon-gu, Ansan-si,
Gyeonggi-do, KOREA
Phone: [phone], Fax : [phone]
www.dotech21.com
1. Overview
※ Features
- Optimization of FAN Control by Differential Pressure
- Various Analog Control Outputs
- Current, voltage output selectable
- RS485 Modbus RTU
- Relay Alarm Output
: Basic Specifications
Items Description
Power 100 – 240 Vac, 50/60Hz
Power Consumption MAX 5VA
Connection Screw Terminal, wire range : 24~16AWG
Span Accuracy ± 3 %
Zero point Accuracy ± 0.2 Pa
Operation Condition Temp. – 10~50℃, (Non condensation)
Storage Condition Temp. – 20~60℃, Humidity below 90%RH
Size (W x H x D mm) 115 x 80 x 40
Weight 220g
: Ordering Guide
Model Description
DP100-AR-
A1R4-500
Measuring range : -500 ~ 500Pa
Analog output (4~20mA or 0-10V)
RS485 model : MODBUS RTU MODE
DP100-AR-
A1R4-125
Measuring range : -125 ~ 125Pa
Analog output (4~20mA or 0-10V)
RS485 model : MODBUS RTU MODE
: Packing
DP100-AR User
’
s manual
※ Silicon Tube Φ6.0 * 3.0 2M (※Standard scope of supply)
: Display range for pressure
Unit Measuring range Display range of decimal point
(Automatic Switching)
Pa -500 ~ 500 -199.9 ~ 500.0 / -500 ~ -200
mmAq -50 ~ 50 -19.99 ~ 50.00 / -50.0 ~ -20.0

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DP100-AR R20200810
2. Installation
：Dimension & Installation
※ Remove front case and fasten back plate of product using 2 screws.
※ Put a lid on back plate and tighten up the spring lock screw after finishing mount.
：Wiring
: DP100-AR
No. Name Description
1 L
100-240Vac, 50/60Hz Power Input
2 N
3 COM
Alarm relay output 250Vac / 2A
4 N.O
5 A1+ 4-20mA or 0-10V analog output +
6 A1- 4-20mA or 0-10V analog output -
7 A RS485 +
8 B RS485 -
3. User Interface
: Lamp & Operation Button
Name Description
PRG Program setup and check unit of display
Press twice successively when clearing alarm
Selection and storage
SEL
▲ Move menu and decrease set value
Identify peak value when pressing for 0.5
seconds.
Initialize peak value when pressing 5 seconds.
▼
PRG + ▼ Initialization when pressing simultaneously for 10
seconds
▲ + ▼ Internal temperature of differential pressure
sensor

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DP100-AR R20200810
4. Parameter
: Parameter change
● Press PRG button for 5 seconds to change parameters.
● Press PRG button at parameter setup to move to next parameter.
● Movement to next menu and storage of set value during parameter
setup are performed by SEL button.
● Set value will be flickering in every 0.5 seconds and change set value
using ▲ key or ▼ key.
● Differential pressure will be displayed if pressing SEL button for 3 seconds
after finishing parameter setup.
: Setting (Press 3 seconds SEL button)
Address Description Code Unit Min. Max. Default User
4 0003 Pressure setting (PID control) STP Pa USL USH 200.0
: Setting Group1 Table
Address Description Code Unit Min. Max. Default User
4 0061 Control mode(※1) OFT - OFF(0) PID(1) DP(2) FAN(3) MAU(4) PID(1)
4 0062 Auto tunning ATT - OFF(0) ON(1) OFF(0)
4 0063 Proportional PD - 1 999.9 1.0
4 0064 Integral I - 0 9999 200
4 0065 Differential D - 0 9999 0
4 0066 Set speed SSP rpm 0 9999 500
4 0067 Set D.pressure SDP Pa 0 500 3.0
4 0068 Unit D.pressure UDP Pa 1 500 2.0
4 0069 Max. Speed HSP rpm 0 9999 1500
4 0070 Min. Speed LSP rpm 0 9999 0
4 0071 Manual Output Value AOO - -1 100 -1
4 0072 High limit output value AOH - 0 100 100
4 0073 Low limit output value AOL - 0 100 0
4 0074 Output method YIT - OFF(0) 420(1) 010(2) 0-1(3) 0-5(4) 1-5(5)
204(6) 100(7) 1-0(8) 5-0(9) 5-1(10) 420(1)
4 0075 Output cycle OPT 1/10 sec 1 999 5
(※1) Control mode FAN(3)
ex) Set D.pressure (SDP) : 3Pa, Unit D.pressure (UDP) : 2Pa, Set speed (SSP) : 500rpm, Measuring D.pressure: 8Pa
Speed Change: SSP + (Measuring D.pressure -SDP) / UDP X 100
Output value : 500 + (8 - 3) / 2 X 100 = 750 [rpm]

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DP100-AR R20200810
: Setting Group2 Table
Address Description Code Unit Min. Max. Default User
4 0077 Select Pressure Unit UNT - PA(0) = Pa MMA(1) = mmAg MMA(0)
4 0078 User Set Max.(※1) USH Pa USL 999 500
4 0079 Use Set Min.(※1) USL Pa -199 USH 0
4 0080 Set 0 OFS - -19.9 99.9 0.0
4 0081 Decimal point (※2) DP -
0.1
(0)
:Display
Below decimal point
1
(1)
:No display
Below decimal point
0.1(0)
4 0082 D.Pressure sensor offset(※3) SPN K 0.0 99.9 10.0
4 0083 Sensor filter set(※4) SFT 초 0.1 5.0 5.0
4 0084 Sensor value display cycle SDT 초 0.0 5.0 0.5
4 0085
Display Mode Set
DIS
-
DPV
: D.Pressure,
SPD
: Set speed
DPV
(0)
4 0086
Comm. ID set
ID
-
1
128
1
4 0087 BPS set BPS - 48(0) = 4800
96(1) = 9600
192(2) = 19200
384
(3) = 38400
96(1)
Max. Trans output range RTH Pa -199 999 500
Min. Trans output range RTL Pa -199 999 0
(※1) Max. | Min. User set value : Enter the range of desired settings that you can set.
(※2) Decimal point : When set the ‘1’ , display current D.pressure value but the value is not include below decimal point.
(※3) D.pressure Sensor offset : Correct deviation of differential pressure
(※4) Sensor Input filter set : In case of frequent hunting of the present differential pressure value, it is corrected by increasing filter value.
: TRIP / ALARM MESSAGE
No. Description Code Setting Details Operating at
detection
Way to clear
1 System fault 5 Y 5 Reset default value and power again. Immediately stop Manual
2 Input sensor
open / disconnection
O P N This message will occur if differential pressure has some problem.
※ Request A/S
Immediately stop Manual
3 Sensor input lower limit L L L This message will occur if input of sensor is lower than lower limit
(-500Pa).
Immediately stop Manual
4 Sensor input upper limit H H H This message will occur if input of sensor is higher than upper limit
(500Pa).
Immediately stop Manual
※ In case of the above mentioned errors, it will be normally operated once cause of error is solved.
5. Communication Protocol
: Specifications of Communication (-R4 model)
Item Description
Transmission line connection
Multiple line
Communications method
RS-485 (2-wire, half-duplex)
Baud-rate
4800, 9600, 19200, 38400 BPS default 9600 BPS
Parity, Data, Stop bit
None, 8 Data, 1 Stop
Protocol Type
Modicon Mod-Bus RTU MODE
Function Code
Read HOLD REGISTERS (0x03) / Preset Single Register (0x06)
Maximum Read Word
32 Word
Media Type
BELDEN 9841 / 9842, LG LIREV-AMESB
Poll interval
100msec
: Communication Table for Status
Address Description Unit Type Size(Word) Data Inside Data Scale
4 0106 Product state Code - Analog INT16 Note below Bit Status 4 0106
Bit 14 Fault of sensor measurement - Digital Bit 0 = Normal 1 = Abnormal
4 0107 Displayed differential pressure Analog INT16