Saia-Burgess Controls AG
Manual for PCD2.W745 and PCD3.W745
│
Document 26-796 E
NG06 │ 2018-10-12
Programming
Programming with series xx7
3
3-12
The following table shows the meaning of the entries:
Name
Format Description
kenn
word
Low byte: Identification of the module: 0x
22
High byte: Measurement unit:
1 = 1/10 °C
2 = 1/10 °F
3 = 1/10 K
PaNr
int
No meaning, stays at 0
InCnt
int
No. of input bytes: 12
OutCnt
int
No. of output bytes: 0
InBase
int
Base address of the cassette/module in the peripheral input range.
OutBase Int
0
Conf_0
Byte
Configuration of channel 0
Bit 0...4: sensor type:
0 = reserved
1 = PT 100
2 = PT 1000
3 = NI 100
4 = NI 1000
5 = R 160 (display of the restistor value 0xFFFF corresp. to
640)
6 = R 1280 (display of the restistor value 0xFFFF corresp. to
640)
7...28 = Reserved
29 = Thermo element Type K
30 = Thermo element Type J
31 = U_80 (display of the voltage value 0x7FFF corresp. to
+80mV, 0x8000 corresp. to -80mV)
Bit 5...7: Measurement type:
0 = Reserved
1 = 2- wire Measurement (only for RTD)
2 = 3- wire Measurement (only for RTD)
3 = 4- wire Measurement (only for RTD)
4 = Reserved
5 = Internal cold junction compensation
(only for thermo elements)
6 = External cold junction compensation
(only for thermo elements)
7 = Reserved
Conf_1
Byte
Configuration of channel 1
Possible settings see channel 0
Conf_2
Byte
Configuration of channel 2
Possible settings see channel 0
Conf_3
Byte
Configuration of channel 3
Possible settings see channel 0
The data block with the peripheral definition of the PCDx.W745 can be easily created
by using the I/O-Builder (Version 2.002 or higher).
This software tool can be downloaded free of charge from the web page:
www. -support.com
