DAD 141.1 DIN-Rail/TS35 Digital Amplifier
The Digital Amplifier, GDAD141.1 is a stand-alone device for DIN-rail mounting (TS35). It is an all-in-one device for non-automatic and automatic weighing, filling or loss-in-weigh operations. The standard device includes all the communication facilities needed for industrial weighing, control and registration.
View or download the datasheet below for full technical specifications and wiring diagrams.
Key Features
- Weighing mode, Input: Drives up to 6 pcs 350 ohm Load cells. External resolution ±200 000 increments at ±2mV/V input. Output update rate 1-600 upd./sec. Bandwidth 0,2-20Hz. OIML R-76 Class III: 10000e; e=0.25 ?V/VSI
- Input/Outputs, standard: Analogue current output. Analogue voltage output. Triple logic output. Dual logic input. Ethernet TCP/IP, selection of protocols. RS485 full duplex
- Built in special programs: Check-weighing. Dozing and filling of bulk goods (pending). Loss-in-weigh applications (pending)
- Features: Android App for remote set-up and calibration via a LAN (Wi-Fi or Blue Tooth). Six digit display and keyboard for direct set-up, calibration and operation. Advanced digital filter performance (FIR or IIR etc.). Load cell (mV/V) calibration. PC programme (Buzzard DOP) is available for set-up,calibration and process analysing
Applications
- Non-automatic and automatic weighing, filling or loss-in-weigh operations.
- Analog current- and voltage output, Ethernet, RS485 and logic I/O’s for direct control of valves or bars and simple remote operations
Outline Dimensions
Specifications
| Performance | Linearity | <0.001% of full scale |
|---|---|---|
| Load cell excitation voltage | 5 Vdc | |
| Load cell drive capability | RLC 58-2000 Ω (≤6 pc 350 Ω load cells) | |
| Load cell wiring system | 6 wires inclusive sense | |
| Load cell input range | ±3.3 mV/V equivalent to ±16,5 mVdc | |
| Load cell input resolution | ≈50 nV/incr. (≈200 000 counts at 2 mV/V input) | |
| A/D-conversion rate | 600 updates/second | |
| Fix LP filter, default | 20 Hz; 60 db/decade | |
| Adjustable digital IIR LP filter | 18-0.25Hz; 40db/decade, selectable in 8 steps | |
| Adjustable digital FIR LP filter | 19.7-2.5Hz, selectable in 8 steps | |
| Output update rate | 600-0.6 updates/second, selectable in 8 steps | |
| Display averaging rate | 5 updates/second | |
| General I/O’s | Hardware interfaces | RS485, drives 32 nodes or RS422 –full duplex |
| Data transmission, rates, RS485 | 9.6; 19.2; 38.4; 57.6; 115.2 kB | |
| Data transmission, protocol | Get results or auto transmit | |
| Ethernet TCP/IP | Modbus and other protocols available. Isolated | |
| Analogue current output | 0-20mA or 4-20mA. 500ohm. Isolated | |
| Analogue voltage output | 0-10V; 0-5V; ±5V; ±10V. 10kohm. Isolated | |
| Logic inputs | 2 (10-30 V; 1-3 mA) Separate grnd.; Isolated | |
| Logic outputs | 3 FET’s (30 Vac; 0.5 A) Separate grnd.; Isolated. | |
| Internal calibration reference | 2,000.0mV/V | |
| Power supply | 10-30Vdc ≤15% ripple; ≤4Watt. Isolated | |
| Facilities | Display, optical spectral filtered | 6 digit, 7seg. Green LED’s, 5.08mm |
| Indicators | 8 green LEDs | |
| Keyboard | 4 pc Ø3mm robust, short travel push buttons | |
| Sealing for legal operations (Green M) | Plug and key-board lid to be sealed with labels | |
| Influences | Temperature effect on Zero | Typical ±2ppm/°K, Max ±4ppm/°K |
| Temperature effect on Span | Typical ±4ppm/°K, Max ±8ppm/°K | |
| Temperature effect on Calibration Ref. | Typical ±4ppm/°K, Max ±8ppm/°K | |
| Relative humidity | 0-95 % non condensing | |
| General I/O protection, all connections | Reversed polarity, excess voltage and surge | |
| Vibration | 2.5 G operational; 5 G non-operational | |
| Protection un-installed, environment | IP40 | |
| Standards | Conform to Council Directive | CE in accordance with 2011/77/EC ; 2004/108/EC |
| Certificate of EMC performance | 2004/22/EC MID E2 (for industrial applications). | |
| Certified accuracy | OIML R-76 Class III: 10000e; e=0.25 μV/VSI | |