Data Format - Spectrum Controls 1794 User Manual

Chapter 3: Configuring the 1794sc-IF8IU for ControlLogix/CompactLogix
Table 3-6 (Data Ranges)
Input Type Range
300 to 1820 ˚C
B Type Thermocouple
(572 to 3308 ˚F)
0 to 2315 ˚C
C Type Thermocouple
(32 to 4199 ˚F)
-270 to 1000 ˚C
E Type Thermocouple
(-454 to 1832 ˚F)
-210 to 1200 ˚C
J Type Thermocouple
(-346 to 2192 ˚F)
-270 to 1370 ˚C
K Type Thermocouple
(-454 to 2498 ˚F)
-210 to 1300 ˚C
N Type Thermocouple
(-346 to 2372 ˚F)
0 to 1768 ˚C
R Type Thermocouple
(32 to 3214 ˚F)
0 to 1768 ˚C
S Type Thermocouple
(32 to 3214 ˚F)
-270 to 400 ˚C
T Type Thermocouple
(-270 to 752 ˚F)
-200 to 850 ˚C
100 Ω Pt α 0.385
(-328 to 1562 ˚F)
-200 to 850 ˚C
200 Ω Pt α 0.385
(-328 to 1562 ˚F)
-200 to 850 ˚C
500 Ω Pt α 0.385
(-328 to 1562 ˚F)
-200 to 850 ˚C
1000 Ω Pt α 0.385
(-328 to 1562 ˚F)
-200 to 630 ˚C
100 Ω Pt α 0.3916
(-328 to 1166 ˚F)
-200 to 630 ˚C
200 Ω Pt α 0.3916
(-328 to 1166 ˚F)
-200 to 630 ˚C
500 Ω Pt α 0.3916
(-328 to 1166 ˚F)
-200 to 630 ˚C
1000 Ω Pt α 0.3916
(-328 to 1166 ˚F)
User's Manual Pub. 0300231-03 Rev. A
0 1 0 16.7 Hz
0 1 1 19.6 Hz
1 0 0 62.0 Hz
1 0 1 470.0 Hz
1 1 0 *Unused
1 1 1 *Unused
3.4.4 Data Format [Words 1 – 8 (Bits 8 to 10)
Select the appropriate data type for each channel using the table below. Refer to Table
3-6 for data type ranges.
Table 3-5 (Data Format)
Bit 10 Bit9 Bit 8 Format:
0 0 0 Engineering Units
0 0 1 Engineering Units X10
0 1 0 Raw/Proportional Counts
0 1 1 Scaled for PID
1 0 0 Percent of Full Scale
1
1 0 1 CJC EU
1
1 1 0 CJC Scaled for PID
1
1 1 1 CJC Percent of Full Scale
1
If selected, the CJC format will override all ranges/formats and report the indicated CJC value
for this channel. Channel zero will report CJC0 directly. Channel 7 will report CJC1 directly.
All others will be distributed values between CJC0 and CJC1 based on channel position.
Eng. Units
3000 to 18200
(5720 to 32767)
0 to 23150
(320 to 32767)
-2700 to 10000
(-4540 to 18320)
-2100 to 12000
(-3460 to 21920)
-2700 to 13700
(-4540 to 24980)
-2100 to 13000
(-3460 to 23720)
0 to 17680
(320 to 3214)
0 to 17680
(320 to 3214)
-2700 to 4000
(-2700 to 7520)
-2000 to 8500
(-3280 to 15620)
-2000 to 8500
(-3280 to 15620)
-2000 to 8500
(-3280 to 15620)
-2000 to 8500
(-3280 to 15620)
-2000 to 6300
(-3280 to 11660)
-2000 to 6300
(-3280 to 11660)
-2000 to 6300
(-3280 to 11660)
-2000 to 6300
(-3280 to 11660)
Eng Units X10 Raw/Prop
300 to 1820 -32768 to 32767
(572 to 3308)
0 to 2315 -32768 to 32767
(32 to 4199)
-270 to 1000 -32768 to 32767
(-454 to 1832)
-210 to 1200 -32768 to 32767
(-346 to 2192)
-270 to 1370 -32768 to 32767
(-454 to 2498)
-210 to 1300 -32768 to 32767
(-346 to 2372)
0 to 1768 -32768 to 32767
(32 to 32144)
0 to 1768 -32768 to 32767
(32 to 32144)
-270 to 400 -32768 to 32767
(-270 to 752)
-200 to 850 -32768 to 32767
(-328 to 1562)
-200 to 850 -32768 to 32767
(-328 to 1562)
-200 to 850 -32768 to 32767
(-328 to 1562)
-200 to 850 -32768 to 32767
(-328 to 1562)
-200 to 630 -32768 to 32767
(-328 to 1166)
-200 to 630 -32768 to 32767
(-328 to 1166)
-200 to 630 -32768 to 32767
(-328 to 1166)
-200 to 630 -32768 to 32767
(-328 to 1166)
3-11
PID Percent
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000
0 to 16383 0 to 10000