Name: Adtek AT-PR2-A5-DD-ADH
Brand: ADtek
SKU: AT-PR2-A5-DD-ADH
Availability: InStock

AT-PR: DC Current 0/4~20mA, Voltage 0/1~5/10V (switchable)
Output Loop: Dual Output
Input : 4 – 20mA
Output 1: 4 – 20mA
Output 2: 4 – 20mA
Aux Power: 85 – 264VAC

Adtek A7-SG Automatic Control Weighing Indicator Technical Specifications
● GENERAL
Description	High precision automatic/dispatch controller specially designed as an engineering control batch controlling meter, applied for automatic control of batch measuring, dispatching and mixing. Equipped with different batching procedures, the device can be utilized widely for batching control systems — single or multiple materials for automatic portioning, mixing, discharging, batching, etc. — with easy integration to PLC, HMI or a computer.
Key Features	Industrial grade design for tough industrial environments; noise and interference protection efficiently blocking power, microwave and radio interference; dual display panel showing weight and several setting values simultaneously; digital intelligent filtering functionality stabilizes usage in unstable environments; formula, settings, logic output, function setting and weight calibration can be fine-tuned or calibrated through buttons or RS485; equipped with RS-485 serial interface for remote display, computer, PLC and HMI (supports Modbus RTU and ASCII); standard edition equipped with 8 input control connectors and 8 relay output connectors, customizable by user or defined through RS-485 communication; can save 0~30 codes, each code output-controlling weight settings including target weight (Final), first stage of fast feeding, mass supply, mass dispatch (SP1), second stage of middle feeding, middle supply, middle dispatch (SP2), drop weight (SP3), around zero point weight (Z.Band), high weight limit (HI) and low weight limit (LO).
Typical Applications	Weighing machine; weighing check with Hi/OK/Lo; filling machine; mixture machine; force testing equipment.

● INPUT
Input Range	Input Impedance	Display Range	Resolution
-1 mV ~ 37 mV	≥ 69 KΩ	-199999 ~ 999999	0.00001

● INPUT — ADDITIONAL PARAMETERS
Input Sensitivity	0.12 µV/D (minimum).
Conversion Rate	Approximately 100 times/sec. (max.)
Load Cell Excitation Voltage	5 Vdc ±5%, 120 mA (up to eight 350Ω load cells can be connected).
Internal Resolution	24 bits.
Calibration	2-point or multi-points calibration applicable; various calibration points can be adjusted independently.

● DISPLAY & FUNCTIONS
Main Display	7 digits, bright red 7-segment LED display, character height 0.8 (in.).
Indication Icons	12 red display 3 LED.
Unit Indication	3 red 3 LED.
Display Update Rate	50 times/sec.
Display Capacity	-199999 to 999999.
Decimal Point	0 / 0.0 / 0.00 / 0.000 / 0.0000 / 0.00000.
Minimum Division	1 / 2 / 5 / 10 / 20 / 50.
Memory	Calibration parameters and function settings saved in EEPROM.
Zero Track Time / Range	Time: 00.0~10.0 sec. Range: 00.0~10.0 D.
Motion Detect Time / Range	Time: 00.0~10.0 sec. Range: 00.0~10.0 D.
Unit	Programmable Kg / t / lb.

● CONTROL FUNCTIONS
Control Relay	8 sets relay, FORM-A, 1A/230Vac, 2A/115Vac.
Relay Action Mode	Hi / OK / Lo / Zero Band / SP1 / SP2 / SP3 / FINAL / UART / OL / UN-LD / RING.
Relay Contact Form	Can be set ON or OFF.

● ANALOGUE OUTPUT
Accuracy	≤ ±0.1% of F.S.; 16-bit DA converter.
Ripple	≤ ±0.1% of F.S.
Response Time	≤ 100 mS (10~90% of output).
Isolation	1 MΩ between input and output.
Output Range	Voltage: 0~5V / 0~10V. Current: 4~20mA.
Output Capability	Voltage 0~10V: ≥ 2000Ω. Current 4~20mA: ≤ 300Ω.
Functions	DA compare source; weight value phase; DA output logic; lower point of weight value (0~999999); higher point of weight value (0~999999).
Digital Fine Adjust	Amend lower point digital output: 0~65535. Amend higher point digital output: 0~65535.

● RS485 COMMUNICATION
Protocol	Modbus RTU mode.
Baud Rate	9600 / 19200 / 38400 / 57600.
Data Bits	8 bits.
Parity	None.
Stop Bit	1.
Address	1 ~ 247.
Distance	1200 m max.
Terminate Resistor	150Ω.

● POWER SUPPLY
Single-phase AC	100V ~ 240V.
Power Consumption	Approximately 15VA.

● SAFETY / EMC
Emission	EN61326-1 Class A, EN55011 Class A, EN61000-3-3.
Immunity	EN61326-1, EN61000-4-2, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN61000-4-8, EN61000-4-11.

● ENVIRONMENTAL CHARACTERISTICS
Operating Temperature	-10 ~ 40°C.
Humidity Rating	< 85% RH, non-condensing.
Temperature Coefficient	50 PPM/°C.
Storage Temperature	-10 ~ 70°C.

● MECHANICAL CHARACTERISTICS
Dimensions	210mm (W) x 108mm (H) x 148mm (L).
Panel Cutout	190mm (W) x 100mm (H); precise cutout 192.5⁺⁰·² mm (W) x 102.5⁺⁰·² mm (H).
Material	Aluminum case; plastic panel.
Mounting	Panel mounting; fix holders 113 mm (L); mounting depth 1.0~8 mm panel thickness.
Wire Terminal	Plastic NYLON 66 (UL 94V-0); 10A 300Vac, M2.6, 1.3~2.0mm² (16~22 AWG).
Weight	Approximately 1.7 Kg.

● INSTALLATION & CONNECTION
Installation Note	The meter should be installed in a location that does not exceed the maximum operating temperature and provides good air circulation.
Signal Input Connector	DB-9 (Female): Pin 1 = EXC+, Pin 2 = No Used, Pin 3 = No Used, Pin 4 = EXC−, Pin 5 = SIG−, Pin 6 = FG, Pin 7 = FG, Pin 8 = FG, Pin 9 = SIG+.
Power Connection	Power switch (ON/OFF); Power: AC 100~240V. Total of 6 option cards can be connected. Check supply voltage before connecting to specified terminals; power supply should be protected by a fuse or circuit breaker.
RS-485 Connection	Terminals: 1 = D−, 2 = D+, 3 = FG. Max. distance 1200 m; terminate resistor (at farthest unit) 120~300Ω / 0.25W (typical 150Ω).

● KEY FUNCTIONS
I/O (ESC)	Power on / standby mode switching key. In normal mode, press 3 seconds to enter standby mode (all indications enter normal mode). When setting parameters or under calibration mode, works as Escape.
ZERO	Zero key. When setting a parameter, moves the blinking character one space to the left.
TARE	Tare key. When setting a parameter, moves the blinking character one space to the right.
N/B/G	Net weight / Gross weight switch key. When setting a parameter, adds “1” to the blinking number or selects the next item.
Fn	Function setting key, followed by 4 (Function-4). When setting a parameter, works as subtract key.
F1 (SET+)	Function setting key, followed by 3 (Function-3).
F2 (SQ+)	Function setting key, followed by 2 (Function-2 / RECALL).
ENTER	Confirmation key.

● ORDERING INFORMATION — A7-SG- [Input Connector] – [Digital Input] – [Relay Output] – [A/O Output] – [RS485] – [Power] – [Special Function]
Input Connector	Option 1: Digital Input	Option 2: Relay Output	Option 3: A/O Output	Option 4: RS485	Power
DB = DB-9 (female)	I8 = DI x 8	OR8 = Relay x 8	AN = None AI = 4~20mA AV1 = 0~10V AV2 = 0~5V	U8 = RS485	ADH = AC 85~264V
Option 5 — Special Function (RS485 connection): FN = None; FC = BCD output card; F8 = Second RS485.