Range Reference Table - Mitsubishi MELSEC-Q Series User Manual

7
ONLINE MODULE CHANGE
7.4

Range Reference Table

The range reference tables are given below.
Address (Decimal)
CH1 CH2 CH3 CH4 CH5
190 198 206 214 222
191 199 207 215 223
192 200 208 216 224
193 201 209 217 225
194 202 210 218 226
195 203 211 219 227
196 204 212 220 228
197 205 213 221 229
(1) Compare the factory default offset value with the reference value 3B22
(2) Compare the factory default gain value with the reference value F89B
(3) Compare the user range settings offset value with the value obtained
(4) Compare the user range settings gain value with the value obtained from
(5) Compare the user range settings thermal EMF offset value with the value
(6) Compare the user range settings thermal EMF offset value with the value
(Example)
Set
Value type
temperature
Offset value
- 200.0
Gain value
900.0
CH6 CH7 CH8
230 238 246 Factory default offset value
231 239 247 Factory default gain value
232 240 248 User range settings offset value
233 241 249 User range settings gain value
234 242 250 User range settings thermal EMF offset value
235 243 251 User range settings thermal EMF offset value
236 244 252 User range settings thermal EMF gain value
237 245 253 User range settings thermal EMF gain value
from the following expression.
User range settings thermal
(Digital value) =
EMF offset value ( V)
the following expression.
User range settings thermal
(Digital value) =
EMF gain value ( V)
of the thermal electromotive force chart (Refer to Appendix 3)
corresponding to the user-set offset set temperature.
of the thermal electromotive force chart (Refer to Appendix 3)
corresponding to the user-set gain set temperature.
When offset/gain setting is made at the offset set temperature of -200.0°C and the gain
set temperature of 900.0°C with an E type thermocouple connected
Reference value of user range settings thermal
EMF offset/gain value
- 8825( V)
68787( V)
Description
Digital value for offset value set prior to
shipment (Reference value 3B22
Digital value for gain value set prior to
shipment (Reference value F89B
Digital value for user-set offset value (Refer to
(3))
Digital value for user-set gain value (Refer to
(4))
(L)
Thermal EMF for user-set offset set
temperature ( V unit) (Refer to (5))
(H)
(L)
Thermal EMF for user-set gain set temperature
( V unit) (Refer to (6))
(H)
90909
90909
Reference value of user range settings offset/
- 8825 90909
68787 90909
7.4 Range Reference Table
Reference value
)
H
)
H
32767
32767
gain value
32767 = - 3180
32767 = 24793
7
- 32
1
2
3
.
H
4
.
H
5
6
7
8