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Siemens 7MH4960-6AA01

SIMATIC S7-1200 or Stand Alone, SIWAREX WP251, single-channel legal-for-trade weighing module for automatic dosing-, filling-, checkweighing- and totalizing scales with analog load cells / strain gauges (full bridges), 4xDI, 4xDQ, 1xAQ, 1x RS485, 1xEthernet, 1xLC load cell interface (1-4mV/V), attention: for legal-for-trade applications please follow the local laws applying in the country of verification! Detailed load cell diagnostics with digital junction box SIWAREX DB (7MH5001-0AD20 or 7MH5001-0AD01)

SiemensMFR # 7MH4960-6AA01SKU # CEY-937FC780AA21

Product type designationSIWAREX WP251

FW update possibleYes

Rail mountingYes; Standard - DIN rail

Rated value (DC)24 V

permissible range, lower limit (DC)19.2 V

permissible range, upper limit (DC)28.8 V

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About This Product

Siemens 7MH4960-6AA01

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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Specifications

General information

Product type designationSIWAREX WP251

FW update possibleYes

Installation type/mounting

Rail mountingYes; Standard - DIN rail

Supply voltage

Rated value (DC)24 V

permissible range, lower limit (DC)19.2 V

permissible range, upper limit (DC)28.8 V

Load voltage L+

Rated value (DC)24 V

permissible range, lower limit (DC)19.2 V

permissible range, upper limit (DC)28.8 V

Short-circuit protectionYes

Reverse polarity protectionYes

Input current

Current consumption, max.200 mA

from backplane bus 5 V DC, typ.3 mA

Power loss

Power loss, typ.4.5 W

Digital inputs

Number of digital inputs4

Digital inputs, parameterizableYes

Input voltage

Type of input voltageDC

Rated value (DC)24 V

for signal "0"5 V DC at 1 mA

for signal "1"15 V DC at 2.5 mA

Digital outputs

Number of digital outputs4

Short-circuit protectionYes

Switching capacity of the outputs

with resistive load, max.0.5 A

Output voltage

Type of output voltageDC

Rated value (DC)24 V

Output delay with resistive load

"0" to "1", max.25 µs

"1" to "0", max.150 µs

Total current of the outputs

Current per channel, max.0.5 A

Current per module, max.4 A

Cable length

shielded, max.500 m

unshielded, max.150 m

Analog outputs

Number of analog outputs1

Output ranges, current

0 to 20 mAYes

4 mA to 20 mAYes

Load impedance (in rated range of output)

with current outputs, max.600 Ω

Cable length

shielded, max.100 m

Integration and conversion time/resolution per channel

Resolution with overrange (bit including sign), max.16 bit

Connection of signal encoders

For strain gauges (full bridges) with 4-conductor connectionYes

For strain gauges (full bridges) with 6-conductor connectionYes

Resistance of full bridge, min.40 Ω; when using SIWAREX IS: 50 ohm for 7MH4710-5BA; 105 ohm when using 7MH4710-5CA

Resistance of full bridge, max.4 100 Ω

Interfaces

Number of RS 485 interfaces1; SIWATOOL V7 or SIWAREX DB or SIEBERT remote display

Interface types

RS 485Yes

RJ 45 (Ethernet)Yes

Number of ports1

RS 485

Transmission rate, max.115.2 bit/s

Cable length, max.1 000 m; ≤ 115 kbps, shielded cable

Interrupts/diagnostics/status information

Diagnostics functionYes; Diagnostic alarm

Substitute values connectableYes

Alarms

Diagnostic alarmYes; Parameterizable

Hardware interruptYes; Parameterizable

Diagnoses

Monitoring the supply voltageYes

Wire breakYes

Short-circuitYes

Diagnostics indication LED

DIAG LEDYes

for status of the inputsYes

for status of the outputsYes

for maintenanceYes

Integrated Functions

CounterNo

Load cell

Automatic weighing instrumentSWA/AGFI; SWE/ACI; SKW/SCW; SWT/DTAWI

Sampling rate100 Hz

Resolution of input signal±1 000 000 parts pro mV/V

Common mode voltage, min.0 V

Common mode voltage, max.5 V

Cable length, max.500 m; when using the SIWAREX 7MH4702-8AG cable

Measuring range

— -1 mV/V to +1 mV/VYes

— -2 mV/V to +2 mV/VYes

— -4 mV/V to +4 mV/VYes

Potential separation digital inputs

between the channels and backplane busYes

Potential separation digital outputs

between the channels and backplane busYes

Potential separation analog outputs

between the channels and the power supply of the electronicsYes

Isolation

Isolation tested with707 V DC (type test)

Degree and class of protection

IP degree of protectionIP20

Standards, approvals, certificates

CE markYes; CE marking / EC Declaration of Conformity

cULusYes; UL 508 (Industrial Control Equipment), CSA C22.2 No. 142 (Process Control Equipment)

FM approvalYes

RCM (formerly C-TICK)Yes

KC approvalYes

Ecological footprint

environmental product declarationYes

Global warming potential

— global warming potential, (total) [CO2 eq]174.83 kg

— global warming potential, (during production) [CO2 eq]32.12 kg

— global warming potential, (during operation) [CO2 eq]140.99 kg

— global warming potential, (after end of life cycle) [CO2 eq]1.72 kg

Free fall

Fall height, max.1 m; five times, in product package

Ambient temperature during operation

horizontal installation, min.-10 °C

horizontal installation, max.40 °C

vertical installation, min.-10 °C

vertical installation, max.60 °C

Ambient temperature during storage/transportation

min.-40 °C

max.70 °C

Air pressure acc. to IEC 60068-2-13

Operation, min.795 hPa

Operation, max.1 080 hPa

Storage/transport, min.660 hPa

Storage/transport, max.1 080 hPa

Altitude during operation relating to sea level

Ambient air temperature-barometric pressure-altitude1 080 ... 795 hPa (-1 000 ... 5 000 m above sea level)

Vibrations

Vibration resistance during operation acc. to IEC 60068-2-65 ... 8.4 Hz / 3.5 mm, 8.4 ... 150 Hz / 1 g; For wall mounting: 9 ... 29 Hz / 1.5 mm, 29 ... 200 Hz / 5 g

Operation, tested according to IEC 60068-2-6Yes

Shock testing

tested according to IEC 60068-2-27Yes; 150 m/s², 11 ms

Mechanics/material

Enclosure material (front)plastic

PlasticYes

Dimensions

Width70 mm

Height100 mm

Depth75 mm

Weights

Weight, approx.280 g

Accessories 12

Genuine accessories that can be used with the Siemens 7MH4960-6AA01 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
6XV1850-2GH20	Aksesuar · Cables · network cable electrical
7MH4702-8AF	Aksesuar
7MH4702-8AG	Aksesuar
7MH4710-2AA	Aksesuar · Connection box
7MH4900-1AK01	Aksesuar
7MH5001-0AA00	Aksesuar · Connection box
7MH5001-0AA20	Aksesuar · Connection box
7MH5001-0AA01	Aksesuar · Connection box
7MH4960-0AY10	Aksesuar
6ES5728-8MA11	Aksesuar · Accessories
7MH5001-0AD20	Aksesuar · Connection box
7MH5001-0AD01	Aksesuar · Connection box