Auxiliary Powered Signal Converters
Introduction to the ACT20M Series
ACT20M Series
The Weidmüller ACT20M range of isolators and converters brings the benefits of technology development to signal isolators. This provides all the features required in
isolators and converters in a space saving 6mm housing. Benefits include 2.5kV: 3 way isolation, accuracy to 0.05% with ambient operation of -25° to +70°C on most
models. Simplified power supply wiring is achieved with direct connection or via the DIN Rail Bus to supply power to all modules.
Applications
Use the ACT20M Series for:
• Isolation and conversion of input signals prior to control system
• Splitting one input signal into two output signals for simultaneous outputs up
to 300Ω per output
• Standardisation of control system input cards utilising converters for nonstandard inputs
• Providing electrical safety between field device faults and control system
• Eliminating errors in the control signal caused by ground loops
• One product required for all signal requirements
Standard features of the ACT20M Range Include:
General Data
D.6
Supply voltage
24V DC ± 30%
Storage temperature
-40°C ... +85°C
Insulation voltage
2.5kV
Rated voltage
300V
Pollution degree
2
Overvoltage category
III
IECEx ratings
Ex nA IIC T4 Gc
Length x Width x Height
114.3 x 6.1 x 112.5 mm
Clamping range
2.5 / 0.5 / 2.5 (nominal / min. / max.) mm²
Output load impedance
0-600Ω or 2 x 300Ω
WAUS Signal Products Main Line 2013
Auxiliary Powered Signal Converters
Auxilary Powered, Universal Signal Isolator/Converter
+
+
+
Output
Tx
-
+
-
+
V
mA
-
-
Input
-
+
Supply
+
-
Supply
ACT20M-UI-AO-S Connections
ACT20M-UI-AO-S
The ACT20M-UI-AO-S is the flagship model. With universal input, programmable
output all in a 6.1mm wide housing. This provides isolation and conversion and is PC
programmable via the new CBX200 programmer, and free WI Manager Software
Features
•
•
•
•
•
•
•
Adjustable input for Thermocouples, RTD, V, mA, Resistance, Potentiometer
Output selectable 0(4)-20mA or 0(2)-10V
15V sensor power supply
Ambient operating temp -25°C to +70°C
3 way isolation of 300V continuous (2.5kV for 1 min)
Accuracy better than 0.1% span (DC, RTD)
24Vdc supply via terminals or DIN Rail PCB Bus
Applications
Use the ACT20M Universal DC Converter for:
• Isolation and conversion of input signals prior to control system
• Standardisation of control system input cards utilising converters for nonstandard inputs
• Providing electrical safety between field device faults and control system
• Eliminating errors in the control signal caused by ground loops
• One product required for all DC signal requirements
Ordering Data
WAUS Signal Products Main Line 2013
Type
Description
Order No.
ACT20M-UI-AO-S
Universal Input/output with sensor supply
1176030000
CBX200 USB
USB Programmer for ACT20M-UI
8978580000
D.7
Auxiliary Powered Signal Converters
Analogue Signal Isolator/Converter
ACT20M-AI
The ACT20M-AI range consists of DIP Switch
selectable models for customers wanting simpler
range change functionality for mA/V input/output
combinations. Available as a straight isolator and
converter or with a signal splitter function providing
2 isolated parallel outputs from 1 input.
Features
• DIP Switch selection of mA/V input/output
combinations
• Wide operating temperature
• Accuracy better than 0.05% on 2 models
• Sensor power supply available
• Isolation between input/output(s)/power supply
• 24Vdc supply via terminals or DIN rail PCB Bus
Ordering Data
Type
Description
ACT20M-AI-AO-E-S
mA/V input/output, no sensor supply, 0-70°C operation, less approvals
1176010000
ACT20M-AI-AO-S
mA/V input/output with 17V sensor supply, -25°C to 70°C operation
1176000000
ACT20M-AI-2AO-S
mA/V input/2 x output with 17V sensor supply, -25°C to 70°C operation
1176020000
Order No.
mA Isolator/Converter
ACT20M-CI
A range of isolators for 0/4-20mA inputs and outputs.
All models are fixed with no adjustment and also
available as a 1 input / 2 output splitter
Features
•
•
•
•
•
No set up required
-25°C to 70°C operation
Accuracy better than 0.05%
Isolation between input/output(s)/power supply
24Vdc supply via terminals or DIN rail PCB Bus
Ordering Data
D.8
Type
Description
ACT20M-CI-CO-S
0(4)-20mA input/ 0(4)-20mA output, 600Ω load
1175980000
ACT20M-CI-2CO-S
0(4)-20mA input/ 2 x 0(4)-20mA output, 2 x 300Ω load
1175990000
Order No.
WAUS Signal Products Main Line 2013
Auxiliary Powered Signal Converters
ACT20M Power feed-in modules
ACT20M-FEED-IN-PRO-S
A power supply feed-in unit that supplies continuous 24Vdc power to our ACT20M
range of signal converters using the ACT20 DIN Rail Bus. In the event of a
malfunction, it immediately displays a power supply outage indicator and switches
to the backup power supply. The built in alarm relay allows errors to be identified
immediately.
Features
•
•
•
•
•
•
•
Simple and Quick Installation
Supplies up to 120 devices (up to 4A)
Dual redundant supply operation
Error relay contact
Uninterrpted supply
-20°C to 60°C operation
Supplies 24Vdc DIN rail PCB Bus
ACT20M-FEED-IN-BASIC
A 6mm basic power supply feed-in unit that supplies continuous 24Vdc power to our
ACT20M range of signal converters using the ACT20 DIN Rail Bus.
Features
•
•
•
•
•
Simple and Quick Installation
Supplies up to 80 devices (up to 2.5A)
Efficiency 100%
-25°C to 70°C operation
Supplies 24Vdc DIN rail PCB Bus
Ordering Data
Type
Description
ACT20-Feed-In-PRO-S
Dual Redundant ACT20 Bus Power feed module with alarm
8965500000
ACT20-FEED-IN-BASIC
6mm wide, basic ACT20 Bus Power feed module
1282490000
Order No.
Rail Bus Accessories
The Rail Bus allows the ACT20M modules to be powered from within the DIN rail avoiding parallel wiring of the power supply
between modules. The profiles are made to suit TS35 rail for 7.5 and 15mm high profiles and consists of 3 parts and a cover plate
for any exposed PCB bus for later use. Please select the Bus profile and end clips to suit rail profile, then the PCB Bus and cover if
required.
Ordering Data
Type
WAUS Signal Products Main Line 2013
250mm
500mm
750mm
CH20M Bus Profile TS35 x 7.5mm
1248150000
1248160000
1248170000
CH20M Bus Profile TS35 x 15mm
1248180000
1248190000
1248210000
CH20M Bus
1248220000
1248230000
1248240000
CH20M Bus Cover
1248250000
1248260000
1248270000
CH20M Bus End plate left
1193160000
CH20M Bus End plate right
1193170000
D.9
Input Loop Powered Products
ACT20M Signal Powered Isolators
I IN 1
I IN 2
4
5
3
6
2
7
1
8
I OUT 1
I OUT 2
Single and Dual Channel, Input loop Powered, Isolator
Input Loop Powered Isolators
The ACT20M signal powered isolators are powered by the input signal current
(0-20mA or 4-20mA) from a powered device. This is the simplest method of
isolating the signal passed from one device to another to eliminate electrical
interaction between them. It is often used to fix unexpected loop isolation
problems as it requires no additional wires to be installed. You simply break the
problem loop and install the device.
Features
•
•
•
•
•
•
•
•
•
Extremely compact design (6.1mm wide)
Isolate DC mA signals without a power supply
Input Loop Powered
Simple and effective isolation for 0-20mA and 4-20mA loops
Suitable for output loads up to 600Ω
Available in single and dual channel versions
Complete Isolation (Input to Output) to 2.5kV
−25°C to 70°C operating temperature
DIN Rail mounting
Technical Data
Accuracy
< 0.1% of end value
Galvanic Isolation
Passive Isolator
Input
0(4)...20 mA
Input drop
<1.25V
Output
0(4)...20 mA
load impedance current
≤ 600 Ω (channel 1 +2)
Channels
Single/Dual
Mounting rail
TS 35
Temperature coefficient
50 ppm/K of final value
Type of Connection
Screw Connection
IECEx ratings
Ex nA IIC T4 Gc
Length x Width x Height
114.3 x 6.1 x 112.5 mm
Applications
Use Input Loop Powered Isolators for:
• Isolation of a sourced signal, from a powered field device into a Control
System
• Elimination of induced noise on a 4-20mA sourced loop
• Loop current monitoring isolator
Ordering Data
B.3
Type
Description
Order No.
ACT20M CI-CO-ILP-S
Single Channel, Screw Connection
1176070000
ACT20M 2CI-2CO-ILP-S
Dual Channel, Screw Connection
1176080000
WAUS Signal Products Main Line 2013
Ouput Loop Powered Products
ACT20M Isolators for Output Loop Powered Devices
+24VDC
+
+
2-wire
Transmitter Tx
4-20mA
-
Input
ch. 1
Output
ch. 1
Input
ch. 2
Output
ch. 2
+24VDC
+
+
2-wire
Transmitter Tx
-
4-20mA
-
Single and Dual Channel, Output loop Powered, Isolator
Isolators for Output Loop Powered Devices
The ACT20M OLP provides an isolated field supply for an Active input from a
2 wire transmitter, and repeats this value on the output. This model will insert
directly into an existing 2 wire loop and provide isolation with no wiring changes.
Features
•
•
•
•
•
•
•
Extremely compact design (6.1mm wide)
Isolate 2 wire Transmitters
Output Loop Powered
Available in single and dual channel versions
Complete Isolation (Input to Output)
-25°C to 70°C operating temperature
DIN Rail mounting
Technical Data
Accuracy
< 0.1% of end value
Galvanic Isolation
Passive Isolator
Input/Output
0(4)...20 mA/0(4)...20 mA
V Drop
Typically 2.5V
Output Load
≤ 600Ω
Channels
Single/Dual
Mounting rail
TS 35
Temperature coefficient
50 ppm/K of final value
Type of Connection
Screw Connection
IECEx ratings
Ex nA IIC T4 Gc
Length x Width x Height
114.3 x 6.1 x 112.5 mm
Applications
Use ACT20M CI-CO-OLP Isolators for:
• Isolating 2-wire (Output Loop Powered) devices
• Prevention of ground loops and reduction of common mode noise
Ordering Data
WAUS Signal Products Main Line 2013
Type
Description
Order No.
ACT20M CI-CO-OLP-S
Single Channel, Screw Connection
1176040000
ACT20M 2CI-2CO-OLP-S
Dual Channel, Screw Connection
1176050000
C.4