ACT20C-8AI-MRTU-DC-S
Product image
ACT20C-8AI-MRTU-DC-S
ACT20C-8AI-MRTU-DC-S
ACT20C-8AI-MRTU-DC-S
ACT20C-8AI-MRTU-DC-S
ACT20C-8AI-MRTU-DC-S
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ACT20C-8AI-MRTU-DC-S
ACT20C-8AI-MRTU-DC-S

ACT20C-8AI-MRTU-DC-S

Voltage monitoring, Input : 8 x 0...10 V DC, Output : 1 x Modbus RTU, Supply voltage: 24 V DC ± 10 %

Produkt ID 8000110028
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Approvals General ordering data Dimensions and weights Temperatures Probability of failure Environmental Product Compliance Input Interface RS485/422 General data Insulation coordination Connection data Part description Classifications

Approvals

Approvals
![](https://assets.dam.weidmueller.com/assets/api/0d1637a4-c7dd-4915-8bc8-4c9de8d8b393/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/4a92d911-d582-40e3-85fc-c9e9b159e140/DAP_Master_ICON,w_80,q_80) 
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html) 
인증 번호(cULus)
E141197 
Certificato Nr. (cULusEX)
E223527 

General ordering data

Version
Voltage monitoring, Input : 8 x 0...10 V DC, Output : 1 x Modbus RTU, Supply voltage: 24 V DC ± 10 % 
Order No.
8000110028 
Type
ACT20C-8AI-MRTU-DC-S 
GTIN (EAN)
4099986000223 
Qty.
1 Styk

Dimensions and weights

Depth
113,6 mm
Depth (inches)
4,472 inch
Height
119,2 mm
Height (inches)
4,693 inch
Width
22,5 mm
Width (inches)
0,886 inch
Net weight
243,819 g

Temperatures

Storage temperature
-40 °C...85 °C 
Operating temperature
-40 °C...60 °C 
Humidity
10…90 %, no condensation 

Probability of failure

SIL in compliance with IEC 61508
None 

Environmental Product Compliance

RoHS Compliance Status
Compliant with exemption 
RoHS Exemption (if applicable/known)
7a, 7cI 
REACH SVHC
Lead 7439-92-1 
SCIP
2f6dd957-421a-46db-a0c2-cf1609156924 

Input

Bemeneti ellenállás, feszültség
1 MΩ 
Ingångsspänning
30 V max. 
Input signal
Voltage source 
Number inputs
8 
Resolution
±1.2 mV 
Response time
110 ms 
Tensión de entrada
0...10 V DC 
Type
Voltage input 

Interface RS485/422

Addressing
DIP switch 
Baud rate
9600 
14400 
19200 
38400 
57600 
115200 bps 
Connection type
Screw connection 
Control of data direction (RS485/422)
automatic or via RS232 RTS/CTS 
Limit-value monitoring
Process alarm with adjustable low or high limit value 
Number of devices on the bus, max.
128 
Number of Hardware-interfaces RS-485
1 
Transmission channels
Half-duplex (RS485 2-wire)
Full-duplex (RS485 4-wire and RS422) 
Transmission distance
Max. 1200 m twisted pair 
Type of protocol of serial interface
Modbus RTU 

General data

Accuracy
<0.1 % of end value 
Applications
Monitoring of H2 fuel and battery cells 
Configuration
DIP switch 
Installation advice
Indoors only 
Mounting rail
TS 35 
Nominal power consumption
1,5 VA
Operating altitude
≤ 2000 m 
Protection degree
IP20 
Repeat accuracy
± 0.05 % 
Status indicator
LED green: supply 
Supply voltage
24 V DC ± 10 % 
Temperature coefficient
<0.02 % / °C 

Insulation coordination

EMC standards
EN 61326-1 
Galvanic isolation
between input ⁄ output ⁄ supply 
Impulse withstand voltage
8 kV 
Insulation voltage input or output/supply
5 kVrms / 1 min. 
Pollution severity
2 
Rated voltage
1500 V DC 
Surge voltage category
II 

Connection data

Type of connection
Screw connection 
Tightening torque, min.
0,2 Nm
Tightening torque, max.
0,5 Nm
Clamping range, rated connection
2,5 mm²
Clamping range, min.
0,5 mm²
Clamping range, max.
2,5 mm²

Part description

Product description
The ACT20C-8AI-MRTU-DC-S monitors up to eight DC voltage signals.
The voltages are made available via an electrically isolated RS485 interface using Modbus RTU.
Application: Monitoring of H2 fuel and battery cells. 

Classifications

ETIM 8.0
EC000310 
ETIM 9.0
EC000310 
ETIM 10.0
EC000310 
ECLASS 14.0
27-06-03-20 
ECLASS 15.0
27-06-03-20