Name: Siemens SIWAREX WP321 WEIGHING ELECTRONIC; 7MH4138-6AA00-0BA0
Brand: Siemens
SKU: 7MH4138-6AA00-0BA0
Availability: OutOfStock

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Siemens SIWAREX WP321 WEIGHING ELECTRONIC; 7MH4138-6AA00-0BA0

SIWAREX WP321 WEIGHING ELECTRONIC (1 CHANNEL) FOR STRAIN GAUGE LOAD CELLS / FULL BRIDGES (1-4 mV/V) FOR SIMATIC ET200SP, FITS to BU-TYPE A0, RS485- INTERFACE FOR...

Brand: Siemens
Product Code: 7MH4138-6AA00-0BA0
Availability: Check availability

Price on request

Description
Specification

SIWAREX WP321 WEIGHING ELECTRONIC (1 CHANNEL) FOR STRAIN GAUGE LOAD CELLS / FULL BRIDGES (1-4 mV/V) FOR SIMATIC ET200SP, FITS to BU-TYPE A0, RS485- INTERFACE FOR CONNECTION OF SIWATOOL OR A REMOTE DISPLAY Detailed load cell diagnostics possible with digital junction box SIWAREX DB (7MH5001-0AD20 or 7MH5001-0AD01).

General information
Product type designation		TM SIWAREX WP321 ST
HW functional status		FS04
Firmware version		V1.4.3
● FW update possible		Yes
usable BaseUnits		BU type A0
Color code for module-specific color identification plate		CC00
Product function
● I&M data		Yes; I&M0 to I&M3
● Isochronous mode		No
● Adjustment of measuring range		No
Engineering with
● STEP 7 TIA Portal configurable/integrated from version		STEP 7 V14 or higher
● STEP 7 configurable/integrated from version		From STEP 7 V5.4 and higher
● PROFIBUS from GSD version/GSD revision		GSD Revision 5
● PROFINET from GSD version/GSD revision		GSDML V2.34
Supply voltage
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 protection		Yes
● Reverse polarity protection		Yes
Input current
Current consumption, max.		100 mA
Power
Power available from the backplane bus		70 mW
Power loss
Power loss, typ.		2 W
Address area
Address space per module
● Inputs		16 byte
● Outputs		16 byte
Encoder
Connection of signal encoders
● For strain gauges (full bridges) with 4-conductor connection		Yes
● For strain gauges (full bridges) with 6-conductor connection		Yes
● 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
Errors/accuracies
Linearity error (relative to input range), (+/-)		0.01 %
Error limit according to DIN 1319-1		0.05 %; of full-scale value
Temperature coefficient, zero point		≤ ±0.1 μV/K
Temperature coefficient, span		≤ ±5 ppm/K
1. Interface
Interface types
● RS 485		Yes; 390 Ω, 220 Ω, 390 Ω connectable termination
Interface types
RS 485
● Transmission rate, max.		115.2 kbit/s
● Cable length, max.		1 000 m; ≤ 115 kbps, shielded cable
Interrupts/diagnostics/status information
Diagnostics function		Yes; Diagnostic alarm
Substitute values connectable		No
Alarms
● Diagnostic alarm		Yes; Parameterizable
● Hardware interrupt		Yes; Parameterizable
Diagnoses
● Monitoring the supply voltage		Yes
● Wire-break		Yes
● Short-circuit		Yes
Diagnostics indication LED
● ERROR LED		Yes; green/red DIAG LED
● Monitoring of the supply voltage (PWR-LED)		Yes; green PWR LED
Integrated Functions
Load cell
● Non-automatic weighing instrument		NAWI
● permissible input signal per verification interval, min.		0.5 µV/d (d=e)
● Sampling rate		600 Hz
● Resolution of input signal		±500 000 parts pro mV/V
● Common mode voltage, min.		0.25 V
● Common mode voltage, max.		4.75 V
● input resistance of signal line, typ.		4 MΩ
● input resistance of sense line, typ.		2 MΩ
● Cable length, max.