Pt1000 (Iec 751), High-Resolution, Id 10; Default Format; Table 40: Id 10, Setting Pt1000 (Iec 751), Standard Format - WAGO 750-451 Manual

WAGO-I/O-SYSTEM 750
750-451 8 AI RTD
4.3.12

Pt1000 (IEC 751), high-resolution, ID 10

4.3.12.1

Default Format

With the setting "Pt1000 (IEC 751)", the I/O module converts the measured
resistance values of Pt1000 sensors (IEC 751) into temperature values and outputs
the conversion results in degrees Celsius.
The temperature values are displayed at a resolution of 1 digit per 0.01 °C in one
word (16-bit). Temperature values below 0 °C are represented in two's
complement binary. As a result, 0 °C corresponds to the numeric value 0x0000
and 100 °C to the numeric value 0x2710 (dec. 10000).
The maximum number range viewable in one word in two's complement
representation ranges from −32768 to +32767. The number range used depends on
the sensor type set and the resolution of the process value. For the setting "Pt1000
(IEC 751)", the possible numerical range corresponds to the defined temperature
range of −50 °C to +150 °C and ranges from −5000 to +15000 accordingly.

Table 40: ID 10, Setting Pt1000 (IEC 751), Standard Format

Temperature
°C
---
Short circuit
< −50.0
Underrange
−50.0
−25.0
0.0
25.0
50.0
75.0
100.0
125.0
150.0
> 150.0
Overrange
---
Wire break
1) Temperature values below 0 °C are represented in two's complement binary.
2) When short circuit and wire break monitoring is ON (see section "Diagnostics" > „Behavior in
the Event of an Error")
3) When underrange / overrange limit is ON (see section "Diagnostics" > „Behavior in the Event
of an Error")
Manual
Version 1.1.0
Resistance
Ω
Binary
< 10.00
'1110.1100.0111.1000'
2)
< 803.06
'1110.1100.0111.1000'
3)
803.06 '1110.1100.0111.1000'
901.92 '1111.0110.0011.1100'
1000.00 '0000.0000.0000.0000'
1097.35 '0000.1001.1100.0100'
1193.97 '0001.0011.1000.1000'
1289.87 '0001.1101.0100.1100'
1385.06 '0010.0111.0001.0000'
1479.51 '0011.0000.1101.0100'
1573.25 '0011.1010.1001.1000'
> 1573.25
'0011.1010.1001.1000'
3)
> 5010.00
'0011.1010.1001.1000'
2)
1)
Numeric value
Hex.
0xEC78
0xEC78
0xEC78
0xF63C
0x0000
0x09C4
0x1388
0x1D4C
0x2710
0x30D4
0x3A98
0x3A98
0x3A98
Process Image 49
Status
Error
byte
LED
hex.
Dec.
−5000 0x50 ON
−5000 0x41 ON
−5000 0x00 OFF
−2500 0x00 OFF
0 0x00 OFF
2500 0x00 OFF
5000 0x00 OFF
7500 0x00 OFF
10000 0x00 OFF
12500 0x00 OFF
15000 0x00 OFF
15000 0x42 ON
15000 0x60 ON