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4-20 mA Input Module

The 4–20 mA Input Module is a GOcontroll Moduline-compatible expansion card designed to interface with passive industrial-grade sensors using the 4–20 mA current loop standard. It adds ten current loop input channels to your modular controller, allowing for accurate and reliable acquisition of analog, current loop based process signals.

Each input is equipped with diagnostic capabilities such as wire break detection. The module also features onboard power supplies (Active current loop) and configurable filtering, ensuring stable operation even in electrically noisy environments.

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Applications

  • Pressure transmitter measurement
  • Level transmitter measurement
  • Flow transmitter measurement
  • Temperature transmitter measurement
  • Position and displacement transmitter measurement
  • Load and force transmitter measurement
  • Interfacing passive (2-wire) 4-20 mA industrial sensors

Features

  • Ten 4-20 mA current-loop input channels
  • 12-bit measurement resolution across the 4-20 mA range
  • Configurable measurement filtering for stable readings in noisy environments
  • Protected 16 VDC built in power supply (use with passive sensors)
  • Wire break detection on each input

Technical specifications

The technical specifications are listed in the table below.

Measuring rangeMinNomMaxUnit
Full scale range025mA
Analog input sample resolution4 – 20mA12Bit
Analog filter samples11000Samples
Analog input sample frequency110kHz
Sourcing voltage15.251616.75V

Connectors may never be hot-plugged. Remove power before removing or installing connectors.

Pinout Moduline L4

The eight module expansion slots are directed to four connectors in front of the controller. Connector A,B,D and E. If a module is plugged into a specific expansion slot, one half of the corresponding connector is used to interface this module. The picture below gives an overview of the connectors with their related module expansion slots.

The picture below shows the connector pinning from the 4-20 mA Input Module. Be aware of the different pinouts when the module is plugged into even or odd module slots.

Module on even slot

PinFunctionDescription
1IN1Signal in 1
2IN4Signal in 4
3IN7Signal in 7
8IN2Signal in 2
9IN5Signal in 5
10IN8Signal in 8
14IN3Signal in 3
15IN6Signal in 6
16IN9Signal in 9
20GROUNDSensor ground
21GROUNDSensor ground
22GROUNDSensor ground
23IN10Signal in 10

Module on uneven slot

PinFunctionDescription
4IN10Signal in 10
5IN7Signal in 7
6IN4Signal in 4
7IN1Signal in 1
11IN8Signal in 8
12IN5Signal in 5
13IN2Signal in 2
17IN9Signal in 9
18IN6Signal in 6
19IN3Signal in 3
24GROUNDSensor ground
25GROUNDSensor ground
26GROUNDSensor ground
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Pinout Moduline M1

The four module expansion slots are directed to the two main connectors of the controller. Connector A and B. If a module is plugged into a specific expansion slot, one half of the corresponding connector is used to interface this module. The picture below gives an overview of the connectors with their related module expansion slots.

The picture below shows the connector pinning from the 4-20 mA Input Module. Be aware of the different pinouts when the module is plugged into even or odd module slots.

Module on even slot

PinFunctionDescription
1IN1Signal in 1
2IN4Signal in 4
3IN7Signal in 7
10IN2Signal in 2
11IN5Signal in 5
12IN8Signal in 8
18IN3Signal in 3
19IN6Signal in 6
20IN9Signal in 9
26GROUNDSensor ground
27GROUNDSensor ground
28GROUNDSensor ground
29IN10Signal in 10

Module on uneven slot

PinFunctionDescription
4IN10Signal in 10
5IN7Signal in 7
6IN4Signal in 4
7IN1Signal in 1
13IN8Signal in 8
14IN5Signal in 5
15IN2Signal in 2
21IN9Signal in 9
22IN6Signal in 6
23IN3Signal in 3
30GROUNDSensor ground
31GROUNDSensor ground
32GROUNDSensor ground
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Pinout Moduline S1

The two module expansion slots are directed to a single connector on the controller. If a module is plugged into a specific expansion slot, one half of the connector is used to interface this module. The picture below gives an overview of the connector with its related module expansion slots.

The picture below shows the connector pinning from the 4-20 mA Input Module. Be aware of the different pinouts when the module is plugged into the even or the odd module slot.

Module on even slot

PinFunctionDescription
1IN1Signal in 1
2IN4Signal in 4
3IN7Signal in 7
10IN2Signal in 2
11IN5Signal in 5
12IN8Signal in 8
18IN3Signal in 3
19IN6Signal in 6
20IN9Signal in 9
26GROUNDSensor ground
27GROUNDSensor ground
28GROUNDSensor ground
29IN10Signal in 10

Module on uneven slot

PinFunctionDescription
4IN10Signal in 10
5IN7Signal in 7
6IN4Signal in 4
7IN1Signal in 1
13IN8Signal in 8
14IN5Signal in 5
15IN2Signal in 2
21IN9Signal in 9
22IN6Signal in 6
23IN3Signal in 3
30GROUNDSensor ground
31GROUNDSensor ground
32GROUNDSensor ground
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Pinout Moduline HMI1

The two module expansion slots are directed to a single connector on the controller. If a module is plugged into a specific expansion slot, one half of the connector is used to interface this module. The picture below gives an overview of the connector with its related module expansion slots.

The picture below shows the connector pinning from the 4-20 mA Input Module. Be aware of the different pinouts when the module is plugged into the even or the odd module slot.

Module on even slot

PinFunctionDescription
1IN1Signal in 1
2IN4Signal in 4
3IN7Signal in 7
10IN2Signal in 2
11IN5Signal in 5
12IN8Signal in 8
18IN3Signal in 3
19IN6Signal in 6
20IN9Signal in 9
26GROUNDSensor ground
27GROUNDSensor ground
28GROUNDSensor ground
29IN10Signal in 10

Module on uneven slot

PinFunctionDescription
4IN10Signal in 10
5IN7Signal in 7
6IN4Signal in 4
7IN1Signal in 1
13IN8Signal in 8
14IN5Signal in 5
15IN2Signal in 2
21IN9Signal in 9
22IN6Signal in 6
23IN3Signal in 3
30GROUNDSensor ground
31GROUNDSensor ground
32GROUNDSensor ground
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