Siemens SIMATIC NET PROFIBUS User Manual

Infrared Link Modul (ILM)

6ZB530–3AC30–0BA1

46

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

 by Siemens

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