Характеристики и описание
Описание оборудования | |
|---|---|
| Com Unit for MODBUS RTU | |
Supply | |
| Connection | backplane bus |
| Rated voltage | 5 V DC , only in connection with the power supplies FB92** |
| Power consumption | 2 W |
Fieldbus interface | |
| Fieldbus type | MODBUS RTU |
| MODBUS RTU | |
| Number of stations per bus line | max. 245 (MODBUS), max. 119 (service bus) |
| Number of channels per station | max. 80 analog, max. 184 digital (standard configuration) |
| Number of stations per bus segment | max. 31 (RS-485 standard) |
| Number of repeaters between Master and Slave | max. 3 |
| Supported I/O modules | all FB remote I/O modules |
| Bus length | max. 1200 m (FOL, 38.4 kBd), max. 1200 m (copper cable, 38.4 kBd) |
| FOL (fiber optic link) | additional hardware required |
| Addressing | via configuration software |
| MODBUS address | standard compliant (factory standard setting: 126) |
| Service bus address | max. 119 , redundancy address = base + 128 (automatic) |
| HART communication | via service bus |
Internal bus | |
| Connection | backplane bus |
| Redundancy | via front connector |
Indicators/settings | |
| LED indicator | LED green (power supply): On = operating, fast flash = cold start LED red (collective alarm): On = internal fault, flashing = no Modbus RTU connection LED yellow (operating mode): flashing 1 (1:1 ratio) = active, normal operation; flashing 2 (7:1 ratio) = active, simulation |
Directive conformity | |
| Electromagnetic compatibility | |
Conformity | |
| Electromagnetic compatibility | NE 21 |
| Degree of protection | IEC 60529 |
Ambient conditions | |
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Storage temperature | -25 ... 85 °C (-13 ... 185 °F) |
| Relative humidity | 95 % non-condensing |
| Shock resistance | shock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18 |
| Vibration resistance | frequency range 10 ... 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration ± 0.075 mm/1 g; 10 cycles frequency range 5 ... 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance |
| Damaging gas | designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3 |
Mechanical specifications | |
| Degree of protection | IP20 (module) , a separate housing is required acc. to the system description |
| Connection | via backplane |
| Mass | approx. 750 g |
| Dimensions | 57 x 107 x 132 mm (2.2 x 4.2 x 5.2 inch) |
Data for application in connection with hazardous areas | |
| EU-Type Examination Certificate | PTB 97 ATEX 1074 U |
| Directive conformity | |
International approvals | |
| ATEX approval | PTB 97 ATEX 1075 |
| EAC approval | Russia: RU C-IT.MIII06.B.00129 |
| Marine approval | |
Описание оборудования
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