VEGA WHA-GW-WIRELESSHART GATEWAY - Manual (Page 90)

22
1981
2011
-0
7
90
WHA-GW-*
Technical specifications
9 Technical specifications
9.1 WHA-GW
Number of channels 2-channel
Interface
HART
®
, HART
®
UDP, MODBUS RTU, MODBUS TCP
Wireless interface
WirelessHART
®
Supply
Rated voltage 20 ... 30 V DC
Power consumption < 5 W
External bus
Connection screw terminals for
- 0.2 ... 4 mm
2
(rigid wire)
- 0.2 ... 2.5 mm
2
(flexible wire)
Interface 1 Ethernet
10 BASE-T/100 BASE-TX , full galvanic isolation
Protocol
HART
®
UDP, MODBUS TCP
Cable length max. 100 m , depending on cables and transfer rate
Connection UTP, STP or FTP
Interface 2 RS 485
Protocol
HART
®
communication protocol, MODBUS RTU
Daisy-chain capability supported by duplicated connection terminals
Transfer rate max. 115 kBit/s
Cable length max. 1200 m , depending on cables and transfer rate
Bus termination integrated termination resistor, adjustable via DIP switch
and software
Input
Number of channels 250
Interface omnidirectional dipole antenna, removable
Communication
WirelessHART
®
specifications
- physical layer: IEEE 802.15.4.2006
- frequency band: 2.4 GHz (ISM band, licence free)
- transmission rate: 250 kBit/s
- max. transmit power: +10 dBm (EIRP)
- transmission range: outdoor 250 m, indoor 50 m (under
reference conditions)
- communication standard: WirelessHART
Electrical isolation
Interface/power supply Basic insulation according to IEC 61140, rated insulation
voltage 50 V
eff
Interface/interface Basic insulation according to IEC 61140, rated insulation
voltage 50 V
eff
Indicators/settings
Display elements LED PWR (power supply status), one green LED
LED COM (communication status), two yellow LEDs
LED FLT (fault signal), one green LED