SKF On-line System WVT User Manual page 48

Hardware Overview
Specifications of SKF Multilog WVT
Tacho
Number of channels
Options
Isolated input trigger
levels
Namur supply
voltage
Namur input
Namur type
Maximum speed
Minimum speed
Interfaces
Visual display
Local push button
Provisioning
interface
Communications
Network
Cable
Firmware
programming
Radio
FCC/IC (Federal
Communications
Commission/Industry
Canada)
ETSI (European
Telecommunications
Standards Institute)
2 - 16
1
Digital isolated or Namur
Logic "0" < 0.5 V, logic "1" 3.3 to 24 V, minimum current
drive 2 mA
Nominal 6 VDC
Pepperl+Fuchs type 4 interface
Two-wire low power type (minimum operating level 5 V, no
target output nominal 3 mA, target output nominal 1 mA)
10 kHz
1/trigger timeout
21 characters x 7 lines LCD display, LED backlit with auto-
shutdown
Allows local interrogation of measurements and unit status.
(See Display in Chapter 2, Hardware Overview.)
IrDA, with ISA100.11a protocol
802.15.4 ISA100.11a compatible
USB port for diagnostics and firmware upgrade
Upgrades over radio network or USB port
Radio 11 dBm, antenna 5 dBm, range 300 m (984 ft.)
Radio 4 dBm, antenna 5 dBm, range 100 m (328 ft.)
SKF Multilog On-line System WVT
User Manual