Siemens SIWAREX FTA Device Manual page 197

Weighing electronics for automatic scale
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14.6 Counter input CI
14.7 RS 232C interface
14.8 RS 485 interface
SIWAREX FTA
Max. output current
max. total current of all outputs
Potential isolation
Voltage drop on assembly
Switching delay
Short-circuit protection
Table 14-5
Data: Digital inputs, Digital outputs
Number
Rated voltage
Potential separation
conforming with IEC 1131, UL 508,
CSA C22.2 NO. 142
Voltage range for H signal
Voltage range for L signal
Input current (15 to 30 V)
Switching frequency
Potential separation
Table 14-6
Data: Counter input CI
Baud rate
Data bits
Parity
Stop bits
Max. distance
Signal level
Potential separation
Table 14-7
Data: RS 232C interface
Baud rate
Data bits
Parity
Stop bits
Max. distance
Signal level
Termination resistance
Potential separation
Table 14-8
Data: RS 485 interface
1
output current pulsed with short-circuit
1
DC 24 V
500 V
DC 9 V to 30 V
DC -3 V to 5 V
2 to 15 mA
max. 10 kHz
500 V
1200 to 115200 Baud
8
Even
1
15 m
Conforms with EIA-RS232C
500 V
1200 to 19200 Baud
7 or 8
even / odd
1 or 2
1000m at 1200 Baud
Conforms with EIA-RS485
390Ω / 220Ω / 390Ω
500 V
Technical Data
0.6 A
2 A
500 V
< 0.25 V
= 12 msec
1
Yes
14-185

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