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. 746-6612
Mfr. Part No.6ES7331-1KF02-0AB0
BrandSiemens
MYR3,100.56
Each
units
SIMATIC S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 117mm -
RS Stock No. 746-6640
Mfr. Part No.6ES7332-5HF00-0AB0
BrandSiemens
MYR7,036.91
Each
units
S7-300 Series Output - - Analogue - 8 - - - 125mm 40mm 120mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
MYR4,691.28
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 788-7019
Mfr. Part No.7MH4910-0AA01
BrandSiemens
MYR4,172.27
Each
units
ET 200 Series Weighing - - - - - - - - - - - -
RS Stock No. 746-6680
Mfr. Part No.6ES7350-1AH03-0AE0
BrandSiemens
MYR3,006.19
Each
units
S7-300 Series Counter - - - - - 5 V dc, 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 746-6615
Mfr. Part No.6ES7327-1BH00-0AB0
BrandSiemens
MYR2,049.06
Each
units
S7-300 Series - - Digital Digital 8 8 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 788-7006
Mfr. Part No.7MH4960-2AA01
BrandSiemens
MYR3,599.34
Each
units
SIMATIC S7-1200 Weighing - Digital Analogue, Digital 4 5 24 V dc - - 70mm 75mm 100mm -
RS Stock No. 746-6630
Mfr. Part No.6ES7331-7PF01-0AB0
BrandSiemens
MYR5,392.27
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 788-7015
Mfr. Part No.7MH4900-3AA01
BrandSiemens
MYR11,525.98
Each
units
S7-300 Series Weighing - - - - - - - - - - - -
RS Stock No. 746-6539
Mfr. Part No.6ES7321-1BH50-0AA0
BrandSiemens
MYR1,051.50
Each
units
S7-300 Series Input - Digital - 16 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 746-6628
Mfr. Part No.6ES7331-7NF10-0AB0
BrandSiemens
MYR5,392.27
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 746-6668
Mfr. Part No.6ES7340-1AH02-0AE0
BrandSiemens
MYR3,006.19
Each
units
S7-300 Series Communication Processor - - - - - 5 V - - 40mm 125mm 120mm -
RS Stock No. 746-6652
Mfr. Part No.6ES7332-8TF01-0AB0
BrandSiemens
MYR8,897.25
Each
units
ET 200M Output - - Analogue - 8 24 V dc - - 125mm 40mm 117mm -
RS Stock No. 746-6151
Mfr. Part No.6GK7277-1AA10-0AA0
BrandSiemens
MYR1,024.54
Each
units
S7-1200 Series Compact Ethernet Switch, Compact with S7 1200 4 Port - - - - - 24 V dc - - 100mm 45mm 75mm -
RS Stock No. 746-6637
Mfr. Part No.6ES7331-7PE10-0AB0
BrandSiemens
MYR6,551.61
Each
units
S7-300 Series Input - Analogue - 6 - - - - 125mm 40mm 120mm -
RS Stock No. 834-7578
Mfr. Part No.7KM9300-0AE01-0AA0
BrandSiemens
MYR1,489.21
Each
units
- Communication - - - - - - - - 43mm 63mm 22mm -
RS Stock No. 746-6634
Mfr. Part No.6ES7331-7PF11-0AB0
BrandSiemens
MYR5,392.27
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 746-6586
Mfr. Part No.6ES7322-1FF01-0AA0
BrandSiemens
MYR1,718.79
Each
units
S7-300 Series Output - - Digital - 8 120/230 V ac - - 125mm 40mm 120mm -
RS Stock No. 810-4169
Mfr. Part No.6ES7241-1AH32-0XB0
BrandSiemens
MYR633.77
Each
units
S7-1200 Series Communication - RS232 RS232 1 - - - - 100mm 30mm 75mm -
RS Stock No. 746-5760
Mfr. Part No.6ES7221-3BD30-0XB0
BrandSiemens
MYR391.05
Each
units
S7-1200 Series Input - Digital - 4 - 24 V dc - - 62mm 38mm 21mm -