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The Unicom Com Unit for PROFIBUS DP/DP-V1 serves as a critical interface between I/O modules and process control systems (PCS) or programmable logic controllers (PLC). It supports a large number of analog and digital channels, facilitating seamless communication in hazardous environments.
The Unicom Com Unit for PROFIBUS DP/DP-V1 is engineered to operate within demanding industrial environments, particularly in areas classified as Zone 2, Class I/Div.2, as well as in safe zones. This unit acts as a communication bridge, enabling connectivity for up to 80 analog or 184 digital channels, thus optimizing data flow between I/O modules and control systems. Its communication capabilities extend via PROFIBUS DP, ensuring robust networking solutions for various applications.
Designed for flexibility, the com unit supports HART communication through PROFIBUS DP V1 or service bus, allowing for dynamic configuration and monitoring. Utilizing FDT 1.2 DTM for configuration, it provides features such as configuration in run (CiR) and self-configuration in redundant systems. The device is equipped with non-volatile memory for storing configurations and parameters, ensuring reliability even in the event of power loss. Additionally, its self-monitoring capabilities and safe state outputs during failures enhance operational safety and system integrity.
| Mass | approx. 120 g |
| Addressing | via configuration software |
| Electromagnetic compatibility | NE 21 |
| Connection | backplane bus |
| HART communication | via PROFIBUS or service bus |
| Configuration (240 bytes I/O) | Standard: 80 analog, 184 digital Universal 2I2O: 48 analog, 184 digital Universal 4I4O: 60 analog, 120 digital |
| Supported I/O modules | all LB remote I/O modules |
| Cyclic process data | 240 bytes input and (simultaneously) 240 bytes output |
| Connection | via backplane |
| GSE file | CGV61710.gsd/gse |
| Number of stations per bus segment | max. 31 (RS-485 standard) |
| ATEX approval | PF 08 CERT 1234 X |
| Bus length | max. 1000 m (FOL, 1.5 MBaud), max. 1000 m (copper cable, 187.5 kBd), max. 200 m (copper cable, 1.5 MBd) |
| UL approval | E106378 |
| Degree of protection | IP20 (module) , mounted on backplane |
| Storage temperature | -25 … 85 °C (-13 … 185 °F) |
| Certificate | PF 08 CERT 1234 X |
| Dimensions | 32.5 x 100 x 102 mm (1.28 x 3.9 x 4 inch) |
| Rated voltage | 5 V DC , only in connection with the power supplies LB9*** |
| Fieldbus type | PROFIBUS DP/DP-V1 |
| Power consumption | 2 W |
| LED indicator | LED 1 (power supply): On = operating, fast flash = cold start, slow flash = HCIR loading active LED 2 (collective alarm): On = internal fault, flashing = no PROFIBUS connection LED 3 (status process bus): flashing = PROFIBUS receive channel active LED 4 (status service bus): flashing = service bus receive channel active LED 5 (operating mode): flashing 1 (1:1 ratio) = active, normal operation; flashing 2 (7:1 ratio) = active, simulation LED 6 (status process bus): flashing = PROFIBUS response channel active LED 7 (status servicebus): flashing = service bus response channel active |
| EAC approval | Russia: RU C-IT.MIII06.B.00129 |
| PROFIBUS address | 0 … 126 (factory standard setting: 126) |
| IECEx approval | BVS 09.0037X |
| Shock resistance | shock type I, shock duration 11 ms, shock amplitude 15 g, number of shocks 18 |
| Number of repeaters between Master and Slave | max. 3 |
| Redundancy | via backplane |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Degree of protection | IEC 60529 |
| Damaging gas | designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3 |
| Connection | backplane bus |
| Number of stations per bus line | max. 125 (PROFIBUS), max. 119 (service bus) |
| 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 |
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