ALL PRODUCTS

Siemens 7MH4950-1AA01 SIWAREX U Single-Channel Weighing Module

Siemens 7MH4950-1AA01 SIWAREX U Single-Channel Weighing Module

Product Name: SIWAREX U Single-Channel Weighing Module

Brand Name: Siemens

Model Number: 7MH4950-1AA01

Place of Origin: Germany

Warranty: 12 Months

Whatsapp: +86 18020776782

Email: [email protected]

Appurtenance:

siemens 7mh4950 1aa01 siwarex u single channel weighing module-1

Overview
Product Applications
Description
Specifications
Installation Guidelines
Commercial Term
Contact info
FAQ
Other Products
Recommended Products

Integrated single-scale measurement for SIMATIC S7 and ET 200M automation systems

The Siemens SIWAREX U single-channel module connects one strain-gauge scale to SIMATIC S7 or ET 200M, providing 16-bit measurement, 50 Hz updating, limit monitoring, integrated diagnostics and SIWATOOL U commissioning.

Network review: Confirm the one-channel 7MH4950-1AA01 variant, load-cell sensitivity and resistance, wiring and shielding, SIMATIC configuration, calibration records and SIWATOOL U backup before replacement.

Product Applications

Use the module where one industrial scale or force sensor must be integrated directly into SIMATIC.

Static weighing

Suitable for platform scales, vessel levels, silos, bunkers and other non-legal-for-trade measurements.

Force monitoring

Supports crane, rope, elevator, rolling-mill and belt-tension measurement with compatible load cells.

Automation integration

Measured weight, limits and diagnostics can be processed within the SIMATIC control program.

Description

7MH4950-1AA01 is intended for static weighing and force-measurement applications such as silos, bunkers, crane loads, industrial elevators and belt-tension monitoring.

Reliable weighing depends on correct load-cell wiring, EMC-compliant installation, stable 24 V DC power and preserved calibration data. The module is not intended for legal-for-trade use under OIML R76.

Specifications

Product type designation	SIWAREX U single-channel weighing module
Order number	7MH4950-1AA01
Scale channels	1
Measurement resolution	16 bit; 65,535 internal parts
Update rate	50 Hz
Specified error limit	≤ 0.05% of measuring-range end value at 20 °C +10 K
Load-cell supply	6 V DC, maximum 150 mA
Supply voltage	24 V DC; static range 20.4 to 28.8 V
Configuration interface	RS 232C, 9600 baud
SIMATIC integration	S7-300 or distributed ET 200M; S7-400 via ET 200M
Dimensions	40 × 125 × 130 mm
Degree of protection	IP20

Installation Guidelines

Measurement stability depends on power quality, shielding, grounding and a verified calibration record.

Load-cell wiring

Use the recommended shielded cable and verify excitation, sense and signal conductors at both ends.

EMC practice

Separate measuring cables from power conductors and bond cable shields according to the Siemens installation rules.

Calibration backup

Export SIWATOOL U data and record zero, span, filter and limit settings before removing the module.

Commercial Term

Quotation

Current price and availability

Payment

T/T or agreed terms

Lead time

Confirmed with quotation

Shipping

DHL, FedEx, UPS or agreed freight

Warranty

12 months

Contact info

CONTACT

Jim Pei

[email protected]

+86 180 2077 6782

FAQ

How should I verify that 7MH4950-1AA01 is the correct SIWAREX U variant for my scale?

Confirm the single-channel order number, one connected scale, load-cell sensitivity and resistance, 24 V DC supply, front-connector wiring and the SIMATIC hardware configuration.

What should I back up before replacing 7MH4950-1AA01?

Save the SIWATOOL U data set and the SIMATIC project, including zero, span, filter, limit, diagnostic and communication settings. Record the load-cell wiring and current stable readings.

Why can the weight value from 7MH4950-1AA01 drift or fluctuate during operation?

Check mechanical binding, load-cell mounting, cable shielding, moisture, grounding, supply stability and nearby drive cables. Review the configured low-pass and mean-value filters only after physical causes are excluded.

What should I check when 7MH4950-1AA01 shows no load-cell signal?

Verify 6 V excitation, sense and signal wiring, connector seating, cable continuity and load-cell resistance. Check for overvoltage, reversed conductors and active module diagnostics before recalibration.

How should I recalibrate 7MH4950-1AA01 after service work?

Stabilize the mechanics, warm up the system, confirm zero load, then follow the approved SIWATOOL U procedure with certified reference weights or the validated theoretical-adjustment data. Save the accepted result.

Which information should I provide when requesting 7MH4950-1AA01 for a replacement project?

Provide the exact order number, hardware and firmware revision, load-cell type and quantity, sensitivity, supply and wiring details, SIMATIC CPU or ET 200M interface, calibration backup and clear label photos.

Other Products

VAS/100.30 62703310	ABB 61085301F	YPCB2202 L1001
TESTO 512 PN 05605122	YPCB2209 CF2000	HEIE420318R3 XT375A-E 9090/001
MNB-CNTLR-300	IN1608	GPSK-1 513020
QBE63-DP01	MMC-120A-F000	KP551
7000005-679	UG-3-A4O	ABB 500MDD01 1KGT034200R001
POL945.00/MCQ	225629-007	45123-3
2791.00	QBE3000-D16 / S55720-S178	80025-523-10
RL28-55-LAS-2840/47/115b	TT5000	GX1230
RS485	IC00P02DAL	FTS35-4011-22M
45123-9	MIC-1000	GE IC200ALG431F GE IC200CHS002D