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Technical Data
14.4 Analog output
14.5 Digital inputs (DI), Digital outputs (DO)
14-184
Permitted load cell resistance without Ex-i-Interface Input resistance > 56 Ω
Permitted load cell resistance with Ex-i-Interface
Monitor for sensing inputs
Response time for sense line monitor
Common mode rejection CMRR @50 Hz
Measuring value filtering for low pass filter
Measuring value filtering for average value filter
Impedance measurement for load cells
Potential separation
* Values apply to assembly output
Table 14-3
Data: Load cell connection
The defined replacement value is output for active BASP-/OD signal
(S7 CPU).
Range 1
Range 2
Max. total error at 25 °C
Refresh rate
Load (incl. line resistance)
2
Line length 0.5 mm
Temperature coefficient
Resolution
Potential separation
* Definitions apply with current >0.5mA
** Resolution reduced by 20 % with operations 4 to 20 mA
Table 14-4
Data: Analog output
The defined value is always output on the DO for active BASP-/OD
signal (S7 CPU).
An inverse diode (recovery diode) is to be used on the consuming
component with inductive loads on the DO.
Number
Rated voltage
Potential separation
Voltage range for H signal
Voltage range for L signal
Input current (15 to 30 V)
Switching frequency
Rated current
Output resistance < 4010 Ω
Input resistance > 87 Ω
Output resistance < 4010 Ω
Typical = 5 V
Hysteresis 120 mV
= 1 sec
Typical 120 dB
0.05...20 Hz
2...250 values
Measuring range 56 Ω...4010 Ω
Precision ±5%
Repeat accuracy <1 %
500 V
0 to 20 mA
4 to 20 mA
< 0,5 % *
10 msec
= 250 Ω, = 30 nF
200 m
max. ± 75 ppm / K
12 Bit (4096 parts) **
500 V
DI
DO
7
8
DC 24 V
500 V
DC 15 V to
30 V
DC -3 V to
5 V
2 to 15 mA
max. 50 Hz
max. 50 Hz
0.5 A
SIWAREX FTA
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