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. 746-5849
Mfr. Part No.6GK1415-2AA10
BrandSiemens
TWD22,438.00
Each
units
SIMATIC NET Interface Link - - - - - - - - 90mm 96mm 62mm -
RS Stock No. 746-6687
Mfr. Part No.6ES7341-1CH02-0AE0
BrandSiemens
TWD43,303.00
Each
units
S7-300 Series Communication Processor - - - - - 24 V dc - - 40mm 125mm 120mm -
RS Stock No. 746-6643
Mfr. Part No.6ES7331-7TF01-0AB0
BrandSiemens
TWD44,337.00
Each
units
ET 200M Input - Analogue - 8 - 24 V dc - - 125mm 40mm 117mm -
RS Stock No. 746-6659
Mfr. Part No.6ES7332-7ND02-0AB0
BrandSiemens
TWD31,117.00
Each
units
S7-300 Series Output - - Analogue - 4 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
TWD31,297.00
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 746-5855
Mfr. Part No.6GK7343-2AH11-0XA0
BrandSiemens
TWD27,295.00
Each
units
S7-300 Series Communication Processor - - - - - - - - - - - -
RS Stock No. 756-4021
Mfr. Part No.6GK5005-0GA00-1AB2
BrandSiemens
TWD18,140.00
Each
units
- Ethernet - Digital Digital 5 6 24 V dc - - 100mm 45mm 87mm -
RS Stock No. 144-2577
Mfr. Part No.7MH4950-1AA01
BrandSiemens
TWD33,680.00
Each
units
S7-300 Series Input/Output SIWAREX U Analog Analogue 1 (Channel) 1 (Channel) 24 V Yes EEPROM, RAM 125mm 40mm 130mm Belt Tensioning Measurement, Fill-Level Monitoring, Industrial Elevators, Rolling Mills, Weighing Electronics
RS Stock No. 872-6306
Mfr. Part No.3RK7243-2AA30-0XB0
BrandSiemens
TWD16,104.00
Each
units
- Communication - - - 496 496 - - - 36mm 100mm 75mm -
RS Stock No. 788-7015
Mfr. Part No.7MH4900-3AA01
BrandSiemens
TWD76,893.00
Each
units
S7-300 Series Weighing - - - - - - - - - - - -
RS Stock No. 746-6662
Mfr. Part No.6ES7340-1BH02-0AE0
BrandSiemens
TWD26,575.00
Each
units
S7-300 Series Communication Processor - - - - - 5 V - - 40mm 125mm 120mm -
RS Stock No. 746-6595
Mfr. Part No.6ES7322-5FF00-0AB0
BrandSiemens
TWD13,940.00
Each
units
S7-300 Series Output - - Digital - 8 120/230 V ac - - 125mm 40mm 120mm -
New
RS Stock No. 196-3661
Mfr. Part No.6GK15612AA00
BrandSiemens
TWD25,517.00
Each
units
- Memory - - - - - DC Yes 12 Mbit/s 18mm 125mm 107mm -
RS Stock No. 756-4037
Mfr. Part No.6GK5004-1GM00-1AB2
BrandSiemens
TWD44,006.00
Each
units
- Ethernet - Digital Digital 4 5 24 V dc - - 100mm 45mm 87mm -
RS Stock No. 746-6558
Mfr. Part No.6ES7321-1FF01-0AA0
BrandSiemens
TWD6,071.00
Each
units
S7-300 Series Input - Digital - 8 - 120/230 V ac - - 125mm 40mm 120mm -
RS Stock No. 746-5858
Mfr. Part No.6GK1415-2BA20
BrandSiemens
TWD37,862.00
Each
units
SIMATIC NET Interface Link - - - - - - - - - - - -
RS Stock No. 208-3568
Mfr. Part No.6ES7274-1XH00-0XA0
BrandSiemens
TWD6,290.00
Each
units
S7-200 Series - - - - - 14 - - - 91mm 36mm 22mm -
RS Stock No. 788-7019
Mfr. Part No.7MH4910-0AA01
BrandSiemens
TWD27,834.00
Each
units
ET 200 Series Weighing - - - - - - - - - - - -
New
RS Stock No. 196-3694
Mfr. Part No.6GK74431EX300XE1
BrandSiemens
TWD135,420.00
Each
units
- Memory - - - - - DC Yes 100 Mbit/s 25mm 210mm 290mm -
RS Stock No. 746-6716
Mfr. Part No.6ES7355-2CH00-0AE0
BrandSiemens
TWD45,462.00
Each
units
S7-300 Series Control - Analogue, Digital Analogue 12 4 24 V dc - - 125mm 80mm 120mm -