Product Name: Siemens SIWAREX MS Weighing Electronics Module
Brand Name: Siemens
Model Number: 7MH4930-0AA01
Place of Origin: Germany
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
| Sales | Phone/Whatsapp | |
| Jim Pei | [email protected] | +86 18020776782 |
| Article number | 7MH4930-0AA01 |
| Product family | SIWAREX MS |
| Product type | Weighing electronics module |
| Scale connections | 1 scale |
| Automation system | SIMATIC S7-200 |
| Compatible CPU | CPU 222 |
| Compatible CPU | CPU 224 |
| Compatible CPU | CPU 224XP |
| Compatible CPU | CPU 226 |
| Communication interface 1 | SIMATIC S7 bus |
| Communication interface 2 | RS 232 |
| Communication interface 3 | TTY |
| Remote indicator values | Gross and net weight |
| Scale parameterization | SIWATOOL MS via RS 232 |
| Error limit at 20 °C ±10 K | 0.05% of full-scale value |
| Internal resolution | 65,535 parts |
| Weight value data format | 2-byte fixed-point |
| Measurement rate | 50 or 30 measurements/s |
| Digital filter range | 0.05 to 5 Hz |
| Digital filter steps | 7 |
| Additional filter | Mean-value filter |
| Weight values | Gross and net |
| Limit values | 2 (minimum/maximum) |
| Zero setting | By command |
| Tare function | By command |
| Tare specification | By command |
| Load-cell system | Strain gauge, 4-wire or 6-wire |
| Load-cell supply voltage | 6 V DC typical |
| Maximum load-cell supply current | 150 mA |
| Minimum permissible load impedance | > 40 Ω |
| Maximum permissible load impedance | < 4010 Ω |
| Minimum impedance with SIWAREX IS/Pi | > 87 Ω |
| Load-cell characteristic | 1 to 4 mV/V |
| Permissible measuring signal range | -1.5 to +42.5 mV |
| Maximum load-cell distance | 500 m |
| Rated module supply voltage | 24 V DC |
| Maximum current consumption at 24 V | 130 mA |
| CPU supply voltage | 5 V DC |
| Maximum current consumption at 5 V | 145 mA |
| Degree of protection | IP20 |
| Operating temperature, vertical installation | 0 to +55 °C |
| Operating temperature, horizontal installation | 0 to +40 °C |
| EMC standards | EN 61326; EN 45501; NAMUR NE21 Part 1 |
| Mounting rail | 35 mm rail to EN 50022 |
| Serial PC connector | 9-pin Sub-D |
| Ex area use | Zone 2; Zone 1 via optional Ex interface |
| Minimum Order Quantity | 1 Piece |
| Price | Contact for Jim |
| Packaging Details | Original new Factory Sealed |
| Delivery Time | 3–7 Days |
| Payment Terms | T/T |
| Shipping Method | DHL / FedEx / UPS / TNT |
| Supply Ability | In stock |
7MH4930-0AA01 is a Siemens SIWAREX MS weighing electronics module designed to connect one scale to a SIMATIC S7-200 automation system. It supports strain-gauge load cells and converts sensor voltage into reliable gross or net weight values with high internal resolution. The module provides SIMATIC S7 bus communication plus RS 232 and TTY interfaces for engineering and remote indication. This Siemens weighing module is suited to industrial automation projects requiring dependable force or weight measurement. Its compact system integration helps simplify engineering, commissioning, diagnostics, and replacement. 7MH4930-0AA01 is a practical choice for maintaining legacy SIWAREX MS and SIMATIC S7-200 installations.
Years of Global Experience: With over 10 years of experience in the industrial automation industry, we serve customers worldwide and have built long-term business relationships with clients across many countries and regions, including the United Kingdom, Russia, the United Arab Emirates, India, Venezuela, and more.
Professional Support Team: Our experienced team provides helpful pre-sales consultation and reliable after-sales support, helping customers select suitable products and solve purchasing concerns.
Wide Range of Brands: We supply products from many leading automation brands, covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.
Large In-Stock Inventory: A wide selection of automation components is available from stock, including discontinued, obsolete, and hard-to-find parts, helping customers reduce sourcing time.
Honesty & Trust: We believe long-term cooperation begins with sincerity. We treat every customer with honesty, respect, responsibility, and genuine care.
Your Trusted Automation Partner: Whether you need a single replacement part, discontinued components, or products for a complete automation project, we are ready to support your needs and build a long-term partnership.
Warranty Support
Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.
Technical Documentation
Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.
Fast Response
We understand the importance of minimizing equipment downtime. Our team responds promptly to inquiries and provides professional assistance with product information, quotations, order status, shipping, and after-sales questions.
Global Customer Service
We serve customers worldwide and provide reliable assistance from inquiry to delivery and after-sales service, ensuring clear and timely communication throughout the process.
Long-term Spare Parts Supply
We continue to source discontinued, obsolete, and hard-to-find automation parts from various brands, helping customers maintain existing equipment and reduce downtime caused by spare parts shortages.
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