PR Electronics PROFIBUS PA temperature transmitter PR 5450D
2026-03-09

PR5450D temperature transmitter
Environmental Conditions
| Operating temperature |
-40°C to +80°C |
| Storage temperature |
-50°C to +85°C |
| Calibration temperature |
23…25°C |
| Relative humidity |
< 99% RH (non-cond.) |
| Protection degree (encl./terminal) |
IP68 / IP00 |
Mechanical specifications
| Dimensions |
Ø 44 x 21.45 mm |
| Center hole diameter |
Ø 6.35 mm / ¼ in |
| Weight approx. |
50 g |
| Wire size |
1 x 1.5 mm2 stranded wire |
| Stripping length |
7 mm |
| Screw terminal torque |
0.4 Nm |
| Vibration |
IEC 60068-2-6 |
| 2…25 Hz |
±1.6 mm |
| 25…100 Hz |
±4 g |
Common specifications
| Supply voltage |
9.0…30 VDC |
| Supply voltage in FISCO installations |
9.0…17.5 VDC |
| Internal power dissipation |
< 352 mW |
| Isolation voltage, test / working |
2.5 kVAC / 42 VAC |
| Response time |
< 400 ms |
| Programmable damping |
0…60 s |
| Write protection |
Jumper |
| Warm-up time |
< 5 min. |
| Start-up time |
< 15 s |
| Programming |
PROFIBUS GSD, DD |
| Signal / noise ratio |
> 60 dB |
| Long-term stability, first year / 5 years |
± 0.05% of reading / ± 0.10% of reading |
| Updating time, PROFIBUS |
< 100 ms |
| Signal dynamics, input |
24 bit |
| Accuracy |
See manual for details |
| EMC immunity influence |
< ±0.1% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst |
< ±1% |
Input specifications
| RTD type |
Pt10…10000, Ni10…10000, Cu5…1000 |
| Permissible cable resistance per wire |
≤ 50 Ω |
| Effect of sensor cable resistance (3-/4-wire) |
< 0.002 Ω / Ω |
| Sensor current |
< 0.15 mA |
| Sensor error detection |
None, Shorted, Broken, Shorted or Broken |
| Thermocouple type |
B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
| Cold junction compensation (CJC) |
Constant, internal or external via a Pt100 or Ni100 sensor |
| Sensor error detection |
None, Shorted, Broken, Shorted or Broken |
| Measurement range / min. range (span) |
0 Ω…100 kΩ / 25 Ω |
| Permissible cable resistance per wire |
≤ 50 Ω |
| Sensor current |
< 0.15 mA |
| Sensor error detection |
None, Broken |
| Potentiometer min….max. |
10 Ω…100 kΩ |
| Measurement range / min. range (span) |
0…100% / 10% |
| Permissible cable resistance per wire |
≤ 50 Ω |
| Sensor current |
< 0.15 mA |
| Sensor error detection |
None, Shorted, Broken, Shorted or Broken |
| Measurement range |
-800…+800 mV (bipolar) -100…1700 mV
|
| Min. measurement range (span) |
2.5 mV |
| Input resistance |
10 MΩ |
| Sensor error detection |
None, Broken |
Output specifications
| PROFIBUS PA protocol |
Profile A&B, ver. 4.0 (compatible with 3.02) |
| PROFIBUS PA protocol standard |
EN 50170 vol. 2 |
| PROFIBUS PA address (at delivery) |
126 |
| PROFIBUS PA physical layer |
2 x function blocks, 1 / 2 transducer block(s) |
| PROFIBUS PA termination |
100 Ω +1 μF |