Order Codes; Electrical Specifications - PR electronics PREASY 422 Bedienungsanleitung

ORDER CODES:

4222 = Universal I/f converter
4501 = Display / programming front

Electrical specifications:

Specifications range .................................... -20°C to +60°C
Common specifications:
Supply voltage, universal ............................ 21.6...253 VAC, 50...60 Hz or
Max. consumption ...................................... ≤ 2.5 W
Fuse ............................................................. 400 mA SB / 250 VAC
Isolation voltage, test / operation ............... 2.3 kVAC / 250 VAC
Communications interface .......................... Programming front 4501
Signal / noise ratio ...................................... Min. 60 dB (0...100 kHz)
Response time (0...90%, 100...10%), programmable:
Temperature input ................................... 1...60 s
mA / V input ............................................ 0,4...60 s
Calibration temperature .............................. 20...28°C
Accuracy, the greater of the general and basic values:
General values
Input Absolute
type accuracy
≤ ±0.1% of span
All
Basic values
Input Basic
type accuracy
≤ ±4 µA
mA
≤ ±20 µV
Volt
≤ ±0.2°C
Pt100
≤ ±0.1 Ω
Linear resistance
≤ ±0.1 Ω
Potentiometer
TC type:
≤ ±1°C
E, J, K, L, N, T, U
TC type: B, R, S,
≤ ±2°C
W3, W5, LR
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19.2...300 VDC
Temperature
coefficient
≤ ±0.01% of span / °C
Temperature
coefficient
≤ ±0.4 µA / °C
≤ ±2 µV / °C
≤ ±0.01°C / °C
≤ ±0.01 Ω / °C
≤ ±0.01 Ω / °C
≤ ±0.05°C / °C
≤ ±0.2°C / °C
EMC immunity influence ................................ < ±0.5% of span
Extended EMC immunity:
NAMUR NE 21, A criterion, burst .................. < ±1% of span
Auxiliary supplies:
2-wire supply (terminal 44...43) ................... 25...16 VDC / 0...20 mA
Max. wire size .............................................. 1 x 2.5 mm
Screw terminal torque ................................. 0.5 Nm
Relative humidity ......................................... < 95% RH (non-cond.)
Dimensions, without display front (HxBxD) .. 109 x 23.5 x 104 mm
Dimensions, with display front (HxBxD) ...... 109 x 23.5 x 116 mm
Protection degree (enclosure / terminals) ... IP50 / IP20
Weight ......................................................... 155 g / 170 g with 4501
RTD, linear resistance and potentiometer input:
Input Min.
type value
Pt100 -200°C
Ni100 -60°C
0 Ω
Lin. resistance
10 Ω
Potentiometer
Input for RTD types:
Pt10, Pt20, Pt50, Pt100, Pt200, Pt250, Pt300, Pt400, Pt500, Pt1000
Ni50, Ni100, Ni120, Ni1000
Cable resistance per wire (max.), RTD ........ 50 Ω
Sensor current, RTD .................................... Nom. 0.2 mA
Effect of sensor cable resistance
(3- / 4-wire), RTD ......................................... < 0.002 Ω / Ω
Sensor error detection, RTD ....................... Yes
Short circuit detection, RTD ........................ < 15 Ω
2
stranded wire
Max.
value Standard
+850°C IEC60751
+250°C DIN 43760
10000 Ω
-
100 kΩ -
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