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UNICOMM Universal Communication Interface Module
Brand: Nivelco Process Control Co.The UNICOMM interface modules are able to establish communication line between HART-capable field devices and process controller computer.
The communication line can be USB or RS485. The UNICOMM HART modems are applicable not only for NIVELCO transmitters, but for all HART-capable transmitters which use standard HART communication.
The device is galvanically isolated from both (USB and HART) sides, when it is used as a HART-USB modem, connected into the USB input of a PC, the modem does not need external power supply.
The UNICOMM SAK-305 modules can be connected into a suitable device with RS485 interface input, used as a HART-RS485 modem.
The communication protocol is HART on the RS485 line. In this case the device needs external power supply. The Ex versions can be connected to transmitters placed in hazardous areas.
Features- Transferring measurement data to PC
- Connecting field transmitters to the USB or RS485 input of a PC
- DIN rail mountable version
- No need for power supply
- Galvanic isolation
Specifications
Ambient Temperature Range
- -20° to 70° C (-4° to 158° F) - SAK-305-2, SAK-305-6 Ex Model
- -25° to 55° C (-13° to 131° F) - SAT-304 Model
Approvals & Certifications
- ATEX - Ex II (1) G [ Ex ia Ga ] IIC
- BKI
- CE 1418
- RoHS
Cable Type
- PC Cable (RS-485), HART Line Cable: Twisted Shielded Pair 1,000 metres (0.6 Mile) - SAK-305-2, SAK-305-6Ex Model
Capacitance
- HART Line Cable (Electrical Connector): 200 NF, Max.
Class
- Electrical Protection: Class III
Communication
- Input: HART
Configuration
- Free USB Port
Consumption
- Current: < 100 mA - SAT-304 Model
- RS-485 (Power): < 1.5 W - SAK-305-2, SAK-305-6 Ex Model
- USB (Current): < 60 mA - SAK-305-2, SAK-305-6 Ex Model
Electrical Connectors
- 0.5 to 2.5 mm² (0.0007 to 0.004 Square inch) Wire Cross Section
- HART Line Cable: Spiral Cable 2 to 3.6 feet (0.6 to 1.1 metres) - SAT-304 Model
- HART Line Connector: Test Clip - SAT-304 Model
- PC Connector, HART Line Connector (RS-485): Screw Terminal - SAK-305-2, SAK-305-6Ex Model
- PC Connector, PC Cable: USB ”A-B”, 1.1 ”B” Socket 6 feet (1.8 metres)
Enclosure, Body Material
- Polyphenylene Oxide (PPO) - SAK-305-2, SAK-305-6 Ex Model
- Polystyrene - SAT-304 Model
Environmental Protection
- Explosion-proof
- IP20
Indication
- LED
Input
- 230 Vac
- PLC with 4-20 mA
Interface Connection
- Output: RS-485 - SAK-305-2, SAK-305-6 Ex Model
- Output: USB
Isolation
- Galvanically Isolated
Mounting
- Mechanical Connection: DIN EN 60715 Rail Mounting - SAK-305-2, SAK-305-6Ex Model
Power Supply
- 24 Vdc (10-30 V) / Supplied from USB - SAK-305-2, SAK-305-6Ex Model
Resistance
- HART Line Cable (Electrical Connector): 75 ohms, Max.
- Lead: 250 ohms - SAT-304 Model
System Requirements
- Windows® XP
- Connecting Field Transmitters to the USB or RS-485 Input of a PC
- Transferring Measurement Data to PC