ProSoft Technology 3170-PDP - Manual (Page 38)

3170-PDP ♦ FLEX Platform How Communication Takes Place and I/O Image Table Mapping
FLEX I/O™ PROFIBUS Adapter
Page 38 of 152 ProSoft Technology, Inc.
August 23, 2007
Word Dec. Bits (Octal
Bits) Description
0 1 0 1 500 ohm Pt = 0.00385 (–200 to
+630°C)
0 1 1 0 Reserved
0 1 1 1 10 ohm Copper (–200 to +260°C)
1 0 0 0 120 ohm Nickel (–60 to +250°C)
1 0 0 1 100 ohm Nickel (–60 to +250°C)
1 0 1 0 200 ohm Nickel (–60 to +250°C)
1 0 1 1 500 ohm Nickel (–60 to +250°C)
1 1 0 0 Module data time stamp
1101 to 1111 – Reserved
04 to 07 Channel 1 RTD Type (see bits 00 to 03)
08 to 11 Channel 2 RTD Type (see bits 00 to 03)
12 to 15 Channel 3 RTD Type (see bits 00 to 03)
Write Word 3 00 to 03 Channel 4 RTD Type (see write word 2, bits 00 to 03)
04 to 07 Channel 5 RTD Type (see write word 2, bits 00 to 03)
08 to 11 Channel 6 RTD Type (see write word 2, bits 00 to 03)
12 to 15 Channel 7 RTD Type (see write word 2, bits 00 to 03)
3.2.11 1794-IT8 – Thermocouple Input Module Image Table Mapping
Module Image
I/O Image
Input Data Channel 0
Input Data Channel 1
Input Data Channel 2
Input Data Channel 3
Input Data Channel 4
Input Data Channel 5
Input Data Channel 6
Input Data Channel 7
Underrange
Calibration Mask
Thermocouple Type
Input Size
Output Size
0 to 3 Words
1 to 11 Words
Reserved
Overrange
Calibration Status
Thermocouple Type
Configuration
1794-IT8 Read
Dec. Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00
Read Word 1 Reserved
Read Word 2 Channel 0 Input Data
Read Word 3 Channel 1 Input Data
Read Word 4 Channel 2 Input Data
Read Word 5 Channel 3 Input Data