User guide

6
Guide Rollers:
Calibration: Acc. to SCHMIDT factory procedure with 0.2 mm Ø PA monofil
Tension Range: 1 - 500 cN
Accuracy: ± 1% FS* ± 1 digit (typically ± 0.5% FS*)
Overrange: 10% FS*, without accuracy guarantee
Overload Protection: 200% FS*
Measuring Principle: Strain gauge bridge
Meas. Roller Deflection: max. 0.5 mm
Signal Processing: Digital, 12 bit A/D converter
Damping: Adjustable electronically (averaging)
Meas. Frequency: Approx. 5 kHz internally
Display Update Rate: 2x per sec.
Display: 3-digit LCD, 11 mm high
Memory: Average, last value, maximum, minimum, MAX
PEAK
, MIN
PEAK
Temperature Coefficient: Gain: less than ± 0.01% FS*/°C
Output Signal Analog: 0 - 2 V DC (linearized), R
load
> 1 kW ± approx. 1%
Converter frequency 30 Hz
Digital: RS-232 (9600, 8, N, 1)
Temperature Range: 10 - 45° C
Air Humidity: 85% RH, max.
Auto Power Off: Automatically after approx. 3 min. of non-use
Power Supply: 9 V E block, e.g. long life 9 V lithium
AC adapter 12 V, 500 mA
Housing Material: Aluminium profile with plastic outer casing (PVC)
Housing Dimensions
(incl. clamping device): 215 mm x 100 (140) mm x 120 mm (W x D x H)
Weight, tension meter: 1 kg
Weight, suction cup: 0.5 kg
*FS = Full Scale
2.1 Specifications
2.2 Pin Assignment and Signals of the RS-232 Interface (9-Pin D-Sub Connector)
Pin
Number
Signal Description
1 Not assigned
2 TXD TRANSMITTED DATA
3 RXD RECEIVED DATA
4 Not assigned
5 GND Ground
6 Not assigned
7 RTS READY TO SEND
8 Not assigned
9 2 V DC Analog signal
Signal RS-232-C
Data Bit 8 bits
Stop Bit 1 bit
Parity None
Baud Rate 9600
V-grooved
Line Speed
m/min max.
Roller
Material
Standard 2000
Hardcoated
aluminium
5 4 3 2 1
9 8 7 6