Orbit Merret OM PROFI, Руководство пользователя

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14 | USER MANUAL OM PROFI
TECHNICAL DATA
3.
PROFIBUS INTERFACE
Připojení: screw-in terminals
Standard interface EIA RS-485
Interface protocol ProfiBus-DP
Recommend. cable shielded twisted double-line
characteristic resistance: 135...165 Ω
cable capacity: < 30 pF/m
conductor cross section: > 0,32 mm
2
loop resistance (2 wires): < 110 Ω/km
Transmission rate 9.6 kBit/s až 12 000 kBit/s
Max. cable length 1 200 m at baud rate 9.6 / 19.2 / 93.75 kBit/s
1 000 m at baud rate 187.5 kBit/s
400 m at baud rate 500 kBit/s
200 m at baud rate 1 500 kBit/s
100 m at baud rate 3 000/6 000/12 000 kBit/s
Flexible connection permitted up to transmission rate of max. 1 500
kBit/s, for security purposes should not be used
for transmission rates higher than 500 kBit/s
Insulation resistance for pollution degree II, meas.category III.
> 300 V (ZI), 150 V (DI)
Status projection 3 LED (on the communication card)
No. of participants in one network segment (master/slave): max. 32
No. of participants when repeaters used: max. 126
INTERNAL COMMUNICATION
Baud rate 600 Bit/s to 115 200 Bit/s (default 9600)
How often 0,1s to 17s + communication time according to Baud
rate (default 0,6s)
PROFINET INTERFACE
Connection 2x RJ45, isolated
Interface protocol ProfiNet
Transmission rate 100 MBit / s
Insulation resistance for pollution degree II, meas.category III.
> 300 V (ZI), 150 V (DI)