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. 208-3568
Mfr. Part No.6ES7274-1XH00-0XA0
BrandSiemens
PHP10,535.92
Each
units
S7-200 Series - - - - - 14 - - - 91mm 36mm 22mm -
RS Stock No. 453-2545
Mfr. Part No.6ES7331-7KF02-0AB0
BrandSiemens
PHP58,843.03
Each
units
S7-300 Series - - Analogue - 8 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 746-6656
Mfr. Part No.6ES7338-4BC01-0AB0
BrandSiemens
PHP22,347.51
Each
units
S7-300 Series Signal - Digital - 2 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 746-5870
Mfr. Part No.6ES7231-7PC22-0XA0
BrandSiemens
PHP59,357.60
Each
units
S7-200 Series RTD Input - Analogue - 4 - - - - 80mm 71.2mm 62mm -
RS Stock No. 467-642
Mfr. Part No.6ES7953-8LP31-0AA0
BrandSiemens
PHP27,110.93
Each
units
C7, ET200S, S7-300 Memory Card - - - - - 3.3 V dc Yes 8 MB - - - -
RS Stock No. 746-6640
Mfr. Part No.6ES7332-5HF00-0AB0
BrandSiemens
PHP72,499.71
Each
units
S7-300 Series Output - - Analogue - 8 - - - 125mm 40mm 120mm -
RS Stock No. 746-6643
Mfr. Part No.6ES7331-7TF01-0AB0
BrandSiemens
PHP65,922.86
Each
units
ET 200M Input - Analogue - 8 - 24 V dc - - 125mm 40mm 117mm -
RS Stock No. 834-7578
Mfr. Part No.7KM9300-0AE01-0AA0
BrandSiemens
PHP15,710.48
Each
units
- Communication - - - - - - - - 43mm 63mm 22mm -
RS Stock No. 746-6612
Mfr. Part No.6ES7331-1KF02-0AB0
BrandSiemens
PHP31,133.22
Each
units
SIMATIC S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 117mm -
RS Stock No. 810-4169
Mfr. Part No.6ES7241-1AH32-0XB0
BrandSiemens
PHP8,162.08
Each
units
S7-1200 Series Communication - RS232 RS232 1 - - - - 100mm 30mm 75mm -
RS Stock No. 746-6564
Mfr. Part No.6ES7321-7BH01-0AB0
BrandSiemens
PHP23,606.70
Each
units
S7-300 Series Input - Digital - 16 - 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 810-4166
Mfr. Part No.6ES7241-1CH32-0XB0
BrandSiemens
PHP10,064.74
Each
units
S7-1200 Series Communication - RS232 RS422/485 1 - 24 V dc - - 100mm 30mm 75mm -
RS Stock No. 746-6624
Mfr. Part No.6ES7331-7NF00-0AB0
BrandSiemens
PHP42,527.99
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 746-6151
Mfr. Part No.6GK7277-1AA10-0AA0
BrandSiemens
PHP9,723.79
Each
units
S7-1200 Series Compact Ethernet Switch, Compact with S7 1200 4 Port - - - - - 24 V dc - - 100mm 45mm 75mm -
RS Stock No. 746-5873
Mfr. Part No.6ES7231-7PF22-0XA0
BrandSiemens
PHP59,357.60
Each
units
S7-200 Series Temperature Control Input - Analogue - 8 - - - - 80mm 71.2mm 62mm -
RS Stock No. 746-6602
Mfr. Part No.6ES7323-1BH01-0AA0
BrandSiemens
PHP17,949.64
Each
units
S7-300 Series - - Digital Digital 8 8 24 V dc - - 125mm 40mm 120mm -
RS Stock No. 746-6652
Mfr. Part No.6ES7332-8TF01-0AB0
BrandSiemens
PHP88,163.97
Each
units
ET 200M Output - - Analogue - 8 24 V dc - - 125mm 40mm 117mm -
RS Stock No. 746-6555
Mfr. Part No.6ES7321-1FH00-0AA0
BrandSiemens
PHP15,191.29
Each
units
S7-300 Series Input - Digital - 16 - 120/230 V ac - - 125mm 40mm 120mm -
RS Stock No. 746-6630
Mfr. Part No.6ES7331-7PF01-0AB0
BrandSiemens
PHP54,064.09
Each
units
S7-300 Series Input - Analogue - 8 - - - - 125mm 40mm 120mm -
RS Stock No. 746-6539
Mfr. Part No.6ES7321-1BH50-0AA0
BrandSiemens
PHP10,712.80
Each
units
S7-300 Series Input - Digital - 16 - 24 V dc - - 125mm 40mm 120mm -