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Wago 789-621

WAGO 789-621 current signal conditioner, 140A DC input, Modbus RTU, 24V DC supply, 35mm width

Wago
SKU:
789-621
Availability:
Factory stock
$398.40
Condition:
New
Current Stock:
Description
Current signal conditioner; Current input signal: 140 ADC; Modbus RTU; Supply voltage: 24 VDC; Module width: 35 mm

Technical Data
  • Input signal type: Current
  • Input signal, current: ; DC 0 ˜ 140 A
  • Resolution [bit]: 15 bit
  • Communication: Modbus RTU
  • Interface: RS-485
  • Transmission channels: Half duplex; 8-bit data; 1 stop bit
  • Number of participants (max.): 32
  • Max. length of bus line:  1200 m
  • Baud rate: 19.2 kBd
  • Parity: Even
  • Terminating resistor: 150 (can be activated via DIP switch 1)
  • 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)
  • Nominal supply voltage U<sub>S</sub>: DC 24 V
  • Current consumption at supply voltage:  8 mA
  • Protection class: IP20
Connection Data
  • Feedthrough for measurement conductor: 15 mm
  • Connector: RJ-45
Geometrical Data
  • Width: 35 mm / 1.378 inch
  • Height from upper-edge of DIN-35 rail: 55 mm / 2.165 inch
  • Depth: 90 mm / 3.543 inch
Mechanical Data
  • Type of mounting: DIN-35 rail
Material Data
  • Fire load: 0.000 MJ
  • Weight: 77.220 g
Environmental Requirements
  • Surrounding air (operating) temperature: -20 ˜ 70 C
  • Surrounding air (storage) temperature: -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
Commercial data
  • Packaging type: BOX
  • Country of origin: DE
  • GTIN: 4050821204565
  • Customs Tariff No.: 85437090300
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The WAGO 789 series DC digital current sensing transducer features Modbus RTU and RS-485 communication capabilities, operates with a supply voltage of 12-34Vdc, and includes 2 RJ45 connectors. It is designed for DIN-35 rail mounting with a 35mm width and has an IP20 protection rating. The device is suitable for ambient temperatures ranging from -20°C to +70°C and is equivalent to model 789621.

Additional Information
baud rate:
19.2 kBd
bus length max:
1200 m
communication:
Modbus RTU
conformity marking:
CE
country of origin sales organisation germany:
DE
depth from upper edge of din rail:
55 mm / 2.165 inch
emc emission of interference:
EN 61000-6-4
emc immunity to interference:
EN 61000-6-2
feedthrough for measurement conductor:
15 mm
fire load:
0.000 MJ
height:
90 mm / 3.543 inch
input signal current:
DC 0 140 A
input signal type:
Current
interface:
RS-485
mounting type:
DIN-35 rail
nominal supply voltage us:
DC 24 V
number of devices max:
32
packaging type:
Box
parity:
Even
pluggable connectors:
RJ-45
power consumption at nominal supply voltage:
¤ 8 mA
protection type:
IP20
resolution bit:
15 bits
standards specifications:
DIN EN 50178
surrounding air temperature operation:
-20 70 C
surrounding air temperature storage:
-40 85 C
temperature coefficient:
¤ 0.05 %/K (-20 60 C): ¤ 0.1 %/K (60 70 C)
terminating resistor:
150 (can be activated via DIP switch 1)
transmission channels:
Half duplex: 8-bit data: 1 stop bit
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)
weight:
77.220 g
width:
35 mm / 1.378 inch