Endress+Hauser iTEMP TMT71 - Power Supply

DRAFT
DRAFT DRAFT DRAFT DRAFT DRAFT DRAFT
DRAFT DRAFT DRAFT
iTEMP TMT71/72 Technical data
HART
®
specification 7
Device address in multi-drop mode Software setting addresses0 to 63
Device description files (DTM, DD) Information and files under:
www.endress.com
www.fieldcommgroup.org
HART load min. 250 Ω
HART device variables Measured value for primary process value (PV)
Sensor (measured value)
Measured values for SV, TV, QV (second, third and fourth device
variable)
• SV: Device temperature
• TV: Sensor (measured value)
• QV: Sensor (measured value)
Supported functions • Squawk
• Condensed status
Wireless HART data
Minimum starting voltage 10 V
DC
Start-up current 3.58 mA
Starting time 7 s
Minimum operating voltage 10 V
AC
Multidrop current 4.0 mA
Time for connection setup 9 s
Write protection for device
parameters
• Hardware: Write protection for head transmitter on optional display using DIP switch
• Software: User role concept (password definition)
Switch-on delay ≤ 7 s until the first valid measured value signal is present at the current output and until
start of HART® communication. While switch-on delay = I
a
≤ 3.8 mA
13.3 Power supply
Supply voltage Values for non-hazardous areas, protected against polarity reversal:
Head transmitter: 10 V ≤ Vcc ≤ 36 V
Values for hazardous areas, see Ex documentation .
Current consumption • 3.6 to 23 mA
• Minimum current consumption 3.5 mA
• Current limit ≤ 23 mA
Terminals
Terminal version Cable version Cable cross-section
Screw terminals Rigid or flexible ≤ 2.5 mm² (14 AWG)
Endress+Hauser V. 1, Rev. 2, 4-10-2018 47