Achievers Automation Limited
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Pepperl+Fuchs LB5105A Module Thermocouple Converter with Backplane Bus Connection and 0.75 W Power Dissipation
Slots
Occupied slots 2
Supply
Connection backplane bus
Rated voltage 12 V DC , only in connection with the power supplies LB9***
Power dissipation 0.75 W
Power consumption 0.75 W
Internal bus
Connection backplane bus
Interface manufacturer-specific bus to standard com unit
Input
Compensation (reference junction CJC) internal cold junction compensation or external cold junction
temperature input
Number of channels 4
Suitable field devices
Field device [2] Thermocouple
Field device [4] mV source
Suitable sensors
Sensor thermocouples U, B, E, T, K, S, R, L, J, N, Pallaplat and mV sources
Connection channel I: 1+, 2-; channel II: 5+, 6-; channel III: 9+, 10-; channel IV: 13+, 14-
Measuring range -65 ... 75 mV with LFD , -75 ... 75 mV without LFD
Smallest span 5 mV for 0.1 % accuracy
Linearity error 0.1 %
Conversion time max. 300 ms (4 channels) without LFD max. 600 ms (4-channel) with LFD
Compensation (reference junction CJC) internal cold junction compensation or external cold junction
Line fault detection can be switched on/off for each channel via configuration tool ,
Open-circuit > 1 kΩ
Transfer characteristics
Deviation
Influence of ambient temperature max. 0,1 %/10 K
Indicators/settings
LED indication Power LED (P) green: supply
Status LED (I) red: line fault (collective alarm) , red flashing: communication error
Coding optional mechanical coding via front socket
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013
