11 technical specifications – Siemens SIMATIC NET PROFIBUS User Manual
Page 388
Infrared Link Modul (ILM)
6ZB530–3AC30–0BA1
46
Copyright
by Siemens
11
Technical Specifications
Operating voltage
Safety extra-low voltage (SELV)
24 V DC (20 V to 30 V)
Current consumption
ma
×
. 300 mA
Transmission rate
9.600 Kbps; 19.200 Kbps; 45.45 Kbps, 93.75 Kbps;
187.5 Kbps; 500 Kbps; 1.5 Mbps;
Setting the transmission rate
Using 3 DIP switches
Setting the mode
Using 5 DIP switches
Bit error rate
<10
–6
Signal delay time
RS 485 input
→
infrared output
<
=
6 bit times
Signal delay time
infrared input
→
RS 485 output
<
=
3 bit times
Electrical channel
Input/output signal
RS 485 level
Input voltage dielectric strength
–10 V to
)
15 V
Interface signals
Ungrounded within the SELV limits
Terminating resistors
Activated with DIP switch
Optical channel
Optical source
21 LEDs
Optical power
280 mW effective with alternating 0–1 sequence
Receiver sensitivity
0.5 A/W
– 28 dBmW
Wavelength
860 nm to 880 nm
Distance between two ILMs
maximum 15 m in the optical axis
12 m at
)
/–2 m distance from the optical axis
Signaling contacts
Limit values of the relay
maximum switching power
30 W
Maximum switching voltage
30 V DC
Maximum switching current
1.0 A
Table 3:
Technical Specifications of the PROFIBUS ILM