789-621 - Current signal conditioner; Current input signal: 140 ADC; Modbus RTU; Supply voltage: 24 VDC; Module width: 35 mm
- Brand: Wago
- Product Code: 789-621
Description: Short description: WAGOs intelligent current sensor monitors solar plants or inverters for DC measurements within a large current measurement range. The sensor is mounted on DIN-35 rail.
Description: Short description: WAGOs intelligent current sensor monitors solar plants or inverters for DC measurements within a large current measurement range. The sensor is mounted on DIN-35 rail.
- Available Quantity: 0
$398.40
Technical data
Input
Input signal type | Current |
Input signal (A) | DC 0 … 140 A |
Resolution [bit] | 15 |
Output – MODBUS
Number of devices (max.) | 32 |
Connector | RJ-45 |
Bus length (max.) | 1200 |
Terminating resistor | 150 Ω (can be activated via DIP switch 1) |
Communication
Communication | Modbus® RTU Modbus® RTU |
Interface | RS-485 |
Transmission channels | Half duplex; 8-bit data; 1 stop bit |
Number of devices (max.) | 32 |
Bus length (max.) | ≤ 1200 m |
Baud rate | 19.2 kBd |
Parity | Even |
Terminating resistor | 150 Ω (can be activated via DIP switch 1) |
Measurement error
Transmission error (typ.) | ≤ 0.5 % of upper-range value (0 … 80 A; at room temperature); ≤ 1 % of upper-range value (80 … 140 A; at room temperature) |
Temperature coefficient | ≤ 0.05 %/K (-20 … 60 °C); ≤ 0.1 %/K (60 … 70 °C) |
Supply
Nominal supply voltage US | DC 24 V |
Supply voltage range | 12 … 34 VDC |
Current consumption at nominal supply voltage | ≤ 8 mA |
Safety and protection
Protection type | IP20 |
Connection data
Feedthrough for measurement conductor | Ø 15 mm |
Connector | RJ-45 |
Physical data
Width | 35 mm / 1.378 inch |
Height | 90 mm / 3.543 inch |
Depth from upper-edge of DIN-rail | 55 mm / 2.165 inch |
Mechanical data
Mounting type | DIN-35 rail |
Material data
Fire load | 0.278 |
Weight | 77.2 |
Environmental requirements
Ambient temperature (operation) | -20 … +70 °C |
Surrounding air temperature (storage) | -40 … +85 °C |
Standards and specifications
Conformity marking | CE |
EMC immunity to interference | EN 61000-6-2 |
EMC emission of interference | EN 61000-6-4 |
Standards/specifications | DIN EN 50178 |
Bid Text
789-621
789-621
Additional Information
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