Profibus PA / Foundation Fieldbus Transmitter – PR Electronics 6350B


  • PROFIBUS PA ver. 3.0
  • FOUNDATION Fieldbus ver. ITK 4.6
  • Automatic switch between protocols
  • FISCO-certified
  • Basic or LAS capability with F.F.


  • Linearized temperature measurement with RTD or TC sensor.
  • Converts analog mA signals into digital values on the bus communication.
  • Difference, average or redundancy temperature measurement with RTD or TC sensor.
  • Linear resistance, potentiometer and bipolar mV measurement.

Technical characteristics

  • Bus transmitter with both PROFIBUS PA and FOUNDATION™ Fieldbus communication. A unique switch function ensures automatic shift between the two protocols.
  • Set-up for PROFIBUS PA can be done via Siemens Simatic® PDM®, ABB Melody / Harmony and Metso DNA software and for FOUNDATION Fieldbus via Emerson DeltaV, Yokogawa CS 1000 / CS 3000, ABB Melody / Harmony and Honeywell Experion software.
  • Built-in simulation mode function.
  • Polarity-independent bus connection.
  • 24 bit A/D converter ensures high resolution.
  • PROFIBUS PA function blocks:
    2 analog.
  • FOUNDATION Fieldbus function blocks:
    2 analog and 1 PID.
  • FOUNDATION Fieldbus capability:
    Basic or LAS.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. Using the 2-channel version up to 84 channels per meter can be mounted.


Operating temperature -40°C to +85°C
Storage temperature -40°C to +85°C
Calibration temperature 20…28°C
Relative humidity < 95% RH (non-cond.)
Protection degree IP20
Dimensions (HxWxD) 109 x 23.5 x 104 mm
Weight (1 / 2 channels) 145 / 185 g
DIN rail type DIN EN 60715/35 mm
Wire size 0.13…2.08 mm2 AWG 26…14 stranded wire
Screw terminal torque 0.5 Nm
Supply voltage 9.0…30 VDC
Power dissipation, per channel < 11 mA
Isolation voltage
Test voltage 1.5 kVAC for 60 s
Working voltage 50 VRMS / 75 VDC
Response time
Response time (programmable) 1…60 s
Warm-up time 30 s
Signal / noise ratio Min. 60 dB
Accuracy Better than 0.05% of selected range
Updating time < 400 ms
Execution time, PID controller < 200 ms
Execution time, analog input < 50 ms
Signal dynamics, input 24 bit
EMC immunity influence < ±0.1% of reading
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of reading
RTD input
RTD type Pt25…1000, Ni25…1000, Cu10…1000, lin. R, potentiometer
Cable resistance per wire 50 Ω (max.)
Sensor current Nom. 0.2 mA
Effect of sensor cable resistance (3-/4-wire) < 0.002 Ω / Ω
Sensor error detection Yes
Short circuit detection < 15 Ω
Linear resistance input
Linear resistance min….max. 0 Ω…10000 Ω
Potentiometer input
Potentiometer min….max. 10 Ω…100 kΩ
TC input
Thermocouple type B, E, J, K, L, N, R, S, T, U, W3, W5
Cold junction compensation (CJC) < ±0.5°C
Sensor error detection Yes
Sensor error current: When detecting / else Nom. 2 μA / 0 μA
Short circuit detection < 3 mV
Bipolar current input
Measurement range -100…+100 mA
Input resistance 10 Ω + PTC < 20 Ω
Cable breakage detection (4…20 mA) < 0.3 mA
Bipolar mV input
Measurement range -800…+800 mV
Min. measurement range (span) 2.5 mV
Input resistance 10 MΩ
Short circuit detection < 3 mV
PROFIBUS PA connection
PROFIBUS PA protocol Profile A&B, ver. 3.0
PROFIBUS PA protocol standard EN 50170 vol. 2
PROFIBUS PA address (at delivery) 126
PROFIBUS PA function blocks 2 analog
FOUNDATION Fieldbus connection
FOUNDATION Fieldbus protocol FF protocol
FOUNDATION Fieldbus protocol standard FF design specifications
FOUNDATION Fieldbus version ITK 4.6
FOUNDATION Fieldbus capability Basic or LAS
FOUNDATION Fieldbus function blocks 2 analog and 1 PID
IECEx DEK 14.0071X
FM 3015609
CSA 1418937
EAC Ex RU C-DK.HA65.B.00355/19


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