PLC Expansion Modules

PLC expansion modules (as used with programmable logic controllers) are the ideal solution for the acquisition and management of applications that include PLCs. They read and condition data from strain gaugeload and communicate basic weight data back to the processor.

What are PLC expansion modules used for?

PLC expansion modules are used in a wide range of applications such as non-automatic weighing machines, measuring of crane and cable loads, force measuring, platform scales and crane scales. To connect PLC expansion modules, a communication cable must be used to connect the module's PLC expansion port to the PLC. The primary task of an expansion module is the measurement and conversion of sensor voltage into a weight value.

Types of PLC expansion modules

PLC expansion modules are available in single or dual configurations. Other designs are available for more specialist applications such as dispenser/filler models or feeder control models. The different variables to choose from include number of inputs and outputs, voltage category, range and application.


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Description Price For Use With Module Type Range Input Type Output Type Number of Inputs Number of Outputs Voltage Category Memory Available Memory Length Width Depth Application
RS stock no. 801-7479
Mfr. Part No.2861234
R 768.60
Each
units
- - - - - - - - - - - 12.2mm - -
RS stock no. 801-7564
Mfr. Part No.2878638
R 6,719.83
Each
units
- Inline Analogue Strain Gauge Input Terminal - Analogue - - 2 24 V dc - - 136mm 48.8mm 71.5mm -
RS stock no. 801-7450
Mfr. Part No.2861292
R 3,058.99
Each
units
- - - - - - - - - - 140.5mm 48.8mm - -
RS stock no. 801-7485
Mfr. Part No.2861331
R 365.72
Each
units
- Inline Power Terminal - - - - - 24 V dc - - 119.8mm 12.2mm 71.5mm -
RS stock no. 801-7501
Mfr. Part No.2861580
R 3,906.63
Each
units
INTERBUS Bus Coupler - - - - - 24 V dc - - 135mm 48.8mm 71.5mm -
RS stock no. 801-7646
Mfr. Part No.2736220
R 6,109.12
Each
units
Profibus Distributed I/O Device - Digital - 16 - 24 V dc - - 161mm 60mm 44.5mm -
RS stock no. 124-3331
Mfr. Part No.2702233
R 31,452.67
Each
units
Field Devices Ethernet HART Multiplexer - Digital Digital - - 0 → 30 V dc, 24 V dc - - 22.5mm 114.5mm 99mm Ethernet Network
RS stock no. 801-7719
Mfr. Part No.2862246
R 3,547.46
Each
units
Profibus Bus Coupler - - - - - 24 V dc - - 119.8mm 85mm 71.5mm -
RS stock no. 124-3332
Mfr. Part No.2702234
R 12,708.66
Each
units
PL GW ETH-BUS Head Station Four-Channel HART Expansion Module - Digital Digital - - 0 → 30 V dc, 24 V dc - - 22.5mm 114.5mm 99mm Modular Gateway Station
RS stock no. 742-6869
Mfr. Part No.2718701
R 3,946.29
Each
units
- CANopen Inline Bus Coupler - - - - - 24 V dc - - 119.8mm 85mm 71.5mm -
RS stock no. 801-7728
Mfr. Part No.2861577
R 4,416.72
Each
units
Conventional Sensor Inline Analogue Input Terminal Block - Analogue - 2 - 24 V dc - - 136.8mm 12.2mm 71.5mm -
RS stock no. 801-7523
Mfr. Part No.2863083
R 4,221.26
Each
units
Analogue Actuators Inline Analogue Output Terminal - - Analogue - 2 24 V dc - - 135mm 48.8mm 71.5mm -
RS stock no. 801-7491
Mfr. Part No.2861467
R 3,340.06
Each
units
- Inline Analogue Output Terminal Block - - Analogue - 2 24 V dc - - 136.8mm 12.2mm 71.5mm -
RS stock no. 801-7539
Mfr. Part No.2878447
R 6,039.58
Each
units
- Inline Analogue Input Terminal - Analogue - 4 - 24 V dc - - 136.8mm 48.8mm 71.5mm -
RS stock no. 124-3338
Mfr. Part No.2702321
R 20,570.06
Each
units
Field Devices Ethernet HART Multiplexer - Digital Digital - - 0 → 30 V dc, 24 V dc - - 22.5mm 114.5mm 99mm Ethernet Network
RS stock no. 801-7532
Mfr. Part No.2897758
R 6,339.67
Each
units
EtherNet/IP Protocol Bus Coupler - Digital Digital 8 4 24 V dc - - 119.8mm 80mm 71.5mm -
RS stock no. 801-7576
Mfr. Part No.2862181
R 1,555.38
Each
units
- - - - - - - - - - 119.8mm 48.8mm - -
RS stock no. 801-7526
Mfr. Part No.2863119
R 807.51
Each
units
- - - - - - - - - - 119.8mm 12.2mm - -
RS stock no. 801-7573
Mfr. Part No.2861632
R 3,413.63
Each
units
Motor Inline Function Terminal - - - - 2 24 V dc - - 136.8mm 24.4mm 71.5mm -
RS stock no. 801-7431
Mfr. Part No.2861289
R 1,955.74
Each
units
- - - - - - - - - - 119.8mm 48.8mm - -