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Siemens 7MH4965-2AA01

SIWAREX WT231, single-channel weighing terminal in stainless steel enclosure for platform or hopper scales with analog load cells / strain gauge (full bridges), 4xDI, 4xDQ, 1xAQ, 1xRS 485, 1xLC load cell interface (1-4mV/V), 100-240 VAC, IP65, 0-40 degrees Celsius. Detailed load cell diagnostics with digital junction box SIWAREX DB (7MH5001-0AD20 or 7MH5001-0AD01)

SiemensMFR # 7MH4965-2AA01SKU # CEY-8EF3B0382523

Product type designationSIWAREX WT231

FW update possibleYes

I&M dataNo

Isochronous modeNo

Adjustment of measuring rangeNo

PROFIBUS from GSD version/GSD revision- / -

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About This Product

Siemens 7MH4965-2AA01

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

General information

Product type designationSIWAREX WT231

FW update possibleYes

Product function

I&M dataNo

Isochronous modeNo

suitable for operation on PROFINET R1 IMsNo

Adjustment of measuring rangeNo

Engineering with

STEP 7 TIA Portal configurable/integrated from version- / -

STEP 7 configurable/integrated from version- / -

PROFIBUS from GSD version/GSD revision- / -

PROFINET from GSD version/GSD revision- / -

Installation type/mounting

Rail mountingNo

Supply voltage

Rated value (AC)230 V

permissible range, lower limit (AC)100 V

permissible range, upper limit (AC)240 V

Input current

Current consumption, max.0.12 A

Encoder supply

Output voltage (DC)4.85 V

Short-circuit protectionYes

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

RJ 45 (Ethernet)No

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

Non-automatic weighing instrumentNAWI

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

Position detection

Incremental acquisitionNo

Measuring range

— -1 mV/V to +1 mV/VYes

— -2 mV/V to +2 mV/VYes

— -4 mV/V to +4 mV/VYes

Isolation

Isolation tested with707 V DC (type test)

Degree and class of protection

IP degree of protectionIP65

Standards, approvals, certificates

CE markYes; CE marking / EC Declaration of Conformity

UL approvalYes; UL 61010-2-201, UL 61010-1

cULusYes; UL 61010-2-201 Third Edition; CAN/CSA-C22.2 No. 61010-2-201 Third Edition

Free fall

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

Ambient temperature during operation

vertical installation, min.0 °C

vertical installation, max.40 °C

Ambient temperature during storage/transportation

min.-20 °C

max.60 °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-altitudeTmin ... Tmax at 1 080 hPa ... 660 hPa (-1 000 m ... +3 500 m)

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)stainless steel, mat. no. 1.4301

plasticNo

Dimensions

Width263 mm

Height203 mm

Depth155 mm

Weights

Weight, approx.4.55 kg

Accessories 8

Genuine accessories that can be used with the Siemens 7MH4965-2AA01 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
7MH4702-8AF	Aksesuar
7MH4702-8AG	Aksesuar
7MH5001-0AA00	Aksesuar · Connection box
7MH5001-0AA20	Aksesuar · Connection box
7MH5001-0AD20	Aksesuar · Connection box
7MH5001-0AA01	Aksesuar · Connection box
7MH5001-0AD01	Aksesuar · Connection box
7MH4710-2AA	Aksesuar · Connection box