Application
Application				for Pt100 and Pt1000 measuring elements
Electrical data
Operating voltage		[V]		18...32 DC; ("supply class 2" tocULus)
Current consumption		[mA]	< 50
Protection class			III
Reverse polarity protection			yes
Power-on delay time		[s]	1
Integrated	watchdog			yes
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — TR7439-00 — 20.10.2015

TR7439
Evaluation unit with display for PT100/PT1000 temperature sensors TR-000KDBM12-QFPKG/US/
Outputs
Total number of outputs				2
Output signal				switching signal; IO-Link; (configurable)
Electrical design				PNP/NPN
Number of digital outputs				2
Output function				normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC		[V]	2.5
Permanent current rating of switching output DC		[mA]	250
Short-circuit protection			yes
Type of short-circuit protection			pulsed
Overload protection			yes
Measuring/setting range
Measuring range			-100...600 °C		-148...1112 °F
Set point SP			-99.8...600 °C		-147.6...1112 °F
Reset point rP			-100...599.8 °C		-148...1111.6 °F
Insteps of			0.1 °C		0.1 °F
Resolution
Resolution of switching		[K]		0.1
output
Resolution of display		[K]		0.1
Accuracy / deviations
Switch point accuracy		[K]		± 0,3 + (± 0,1 % MS)
Display accuracy [K]			± 0,3 + (± 0,1 % MS)
Temperature coefficient [% of the span / 10 K]			0,1; (in case of deviation from the reference condition 25 ± 5 °C)
Response times
Response time		[ms]		390
Software / programming
Parameter setting options			hysteresis / window; normally open / normally closed; switching logic; switch-on/switch-off delay; Damping; Display unit
Interfaces
Communication interface				IO-Link
Transmission type COM2 (38,4 KBaud) IO-Link revision 1.1
Operating conditions
Ambient temperature [°C]				-25...80
Storage temperature [°C] -40...100 Protection IP 67
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — TR7439-00 — 20.10.2015

TR7439
Evaluation unit with display for PT100/PT1000 temperature sensors TR-000KDBM12-QFPKG/US/
Tests / approvals
EMC			DIN EN 61000-6-3
			DIN EN 61000-6-2
Shock resistance			DIN IEC 68-2-27		50 g (11 ms)
Vibration resistance			DIN EN 60068-2-6		20 g (10...2000 Hz)
MTTF [years]			252
UL approval			UL Approval no.		K012
Mechanical data
Weight		[g]		198
Materials			stainless steel (1.4404 / 316L); stainless steel (1.4301 / 304); PBT+PC-GF30; PBT-GF20; PC
Process connection			threaded connection G 1/2 external thread
Displays / operating elements
			Display unit		2 x LED, green
Display			switching status		2 x LED, yellow
			measured values		alphanumeric display, red/green 4-digit
Remarks
Remarks			MS = set measuring span
Pack quantity			1 pcs.
Electrical connection

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