Use in automation systems

S7-300

Directly or via ET 200M

S7-1500

Through ET 200M

S7-400 (H)

Through ET 200M

PCS 7 (H)

Through ET 200M

Communication interfaces

S7

Through backplane bus

RS 232

For SIWATOOL or printer connection

RS 485

For remote display or digital load cell

Module parameterization

Using SIMATIC S7

Using SIWATOOL FTC software (RS 232)

Measuring properties

Accuracy to EN 45501

3 x 6 000 d в‰Ґ 0.5 ОјV/e

Internal resolution

+/- 8 million parts

Internal/external updating rate

400/100 Hz

Several parameterizable digital filters

Critically dampened, Bessel, Butterworth (0.05 ... 20 Hz), mean-value filter

Weighing functions

• Non-automatic weighing machine, force measurement

• Conveyor scale

• Differential proportioning weigher

• Bulk flow meter

Load cells

Strain gages in 4-wire or 6-wire system

3 characteristic value ranges

1, 2 or 4 mV/V

Load cell powering

Supply voltage U_S (rated value)

10.3 V DC

Max. supply current

184 mA

Permissible load cell resistance

• R_Lmin

> 56 О©
> 87 О© with Ex interface

• R_Lmax

≤ 4 010 О©

Max. distance of load cells

When using the recommended cable:

Standard

1 000 m (3 280 ft)

In hazardous area¹⁾

• For gases of group IIC

300 m (984 ft)

• For gases of group IIB

1 000 m (3 280 ft)

Connection to load cells in Ex zone 1

Optionally via SIWAREX IS Ex interface

Ex approvals zone 2 and safety

ATEX 95, FM, cUL_US Haz. Loc.

Auxiliary power supply

Rated voltage

24 V DC

Max. power consumption

500 mA

Current consumption from backplane bus

typ. 55 mA

Inputs/outputs

Digital inputs

7, electrically isolated

Digital outputs

8, electrically isolated

Counter input

Up to 10 kHz

Analog output

• Current range

0/4 ... 20 mA

• Updating rate

100 Hz

Degree of protection according to EN 60529; IEC 60529

IP20

Climatic requirements

T_{min (IND)} ... T_{max (IND)} (operating temperature)

• Horizontal installation

-10 ... 60 °C (14 ... 140 °F)

• Vertical installation

-10 ... 40 °C (14 ... 104 °F)

EMC requirements

EN 61326, EN 45501, NAMUR NE21, Part 1

Dimensions

80 x 125 x 130 mm (3.15

 x 4.92 x 5.12 in)

Weight

600 g (0.44 lb)