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Reference Manual
00809-0200-4702, Rev BA
June 2010
A-1
Rosemount 702
Appendix A
Specifications and Reference
Data
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-1
Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-3
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-4
SPECIFICATIONS
Functional
Specifications
Input
Supports Dry Contact Switch type inputs or leak detection sensors, but does
not support NAMUR type switches.
Output
WirelessHART™, single or dual switch states, or limit or opposing contact
output.
Radio Frequency Power Output from Antenna
Long Range (WK option) antenna: Maximum of 10 mW (10 dBm) EIRP
Extended Range (WM option) antenna: Maximum of 18 mW (12.5 dBm) EIRP
Local Display
The optional five-digit integral LCD Display can display switch status or logic
output. Display updates at transmit rate, up to once per minute.
Humidity Limits
0 - 100% relative humidity
Update Rate
User selectable, 8, 16, 32 seconds, or 1 to 60 min.
Switch Poll Rate
User selectable, 8, 16, 32 seconds, or 1 to 60 min.
Switch Poll Rate is determined by and same as Update Rate.
Physical Specifications
Electrical Connections/Power Module
•
Replaceable, non-rechargeable, Intrinsically Safe Lithium-Thionyl
Chloride power module pack with PBT enclosure
•
Ten year power module life at reference conditions
(1)
•
Four (4) Screw Terminals for switch connection
Field Communicator Connections
Communication Terminals
Clips permanently fixed to terminal block
(1)
Reference conditions are 70 °F (21 °
C
), transmit rate of once per minute, and routing data
for three additional network devices.
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