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Manual MCS-64 Ethernet Page 3

Linearity < 0.002 % FS

Excitation 5 V DC, load cells 100-2 000 Ohm, 6 wire technique

Analogue input range ±2.2 mV/V (bipolar)

Minimum input per vsi 0.05 μV per interval non approved

Resolution ±260 000 counts , ±18-Bit-A/D convertor

Conversion rate 2400 measurements per second intern

Digital Filter FIR Filter 2.5 ... 19.7 Hz or IIR Filter 0.25 ... 18 Hz; programmable in 8 steps each

Calibration software calibration and set up

Computer interface intern RS485/RS422, full duplex, 115 200 Baud, bus capability up to 64 devices

Weighing functions zero, gross, tare, net, filter etc.

Inputs 4 opto-isolated inputs, 10 ... 30 V DC max. 3 mA

Outputs 4 OC outputs, < 35 V DC, 500 mA

Temperature effects on zero 5 ppm/°K typ.; max. < 10 ppm/°K

on span 4 ppm/°K typ.; max. < 8 ppm/°K

Temperature range –10 °C to +50 °C (operating); –30 °C to +80 °C (storage)

Enclosure Aluminium, protection IP40

Dimensions 80 x 23 x 100 mm, with two M3 fixing screws for mounting on boards MB89.1/2/3/4

Power supply 12 ... 24 V DC ±10 %, < 60 mA,(reversed voltage, burst and ESD protected)

Power consumption 1,5 W max.

EMC CE 73/23/EEC; 93/98/EEC and 89/336/EEC

Computer interface via Service Port MB 89.1 RS232C, 115 200 Baud

Vibration withstands 1.0 G operational; 2.5 G non-operational

LDM 88.1 Specifications

Weighing Processor LDM 88.1

LDM 88.1

The digital weighing processor LDM 88.1 is a load cell

digitizing unit for precise measuring of loads in motion.

•

± 18 bit resolution (±260 000 d)

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Excitation5VDC/50mA

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2 400 Measurements/s internal,

600 Measurements/s external

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mV/V calibration

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4 DI’s

•

4DO’s

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RS 485 bus, 115.2 kBaud

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Digital Filter (FIR and IIR)

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for static or dynamic weighing

processes

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3 Firmware versions

Load Cell

Low-Pass

Filter

Digital Filter

IIR- / FIR

ADC

- Net

- Gros

- Average

- Dose

Digital

Output /

Setpoint

1 ... 4

Digital

Input

1 ... 4

RS 485 / 230 kBaud

binary format

LDM 88.1

Remote Control Output

Start Filling Cycle

Trigger Signal

1 2 3 4 5 6 7 8 ... 44 45

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