Communication Status (Class3/Ucmm) - Mitsubishi Electric MELSEC Q Series User Manual

3
SPECIFICATIONS
3.3.15

Communication status (Class3/UCMM)

The communication status, error status, and reserved tag setting of Class3/UCMM Tag
communication are stored in this area.
For details of the timing chart, refer to the following.
(1) Communication status (Class3/UCMM)(Un\G27184 to Un\G27199)
(2) Communication error (Class3/UCMM)(Un\G27200 to Un\G27215)
(3) Reserved tag (Class3/UCMM)(Un\G27216 to Un\G27231)
Address
Dec.
Communication Status Communication Error
(Class3/UCMM) (Class3/UCMM)
Un\G27184 Un\G27200
Un\G27185 Un\G27201
Un\G27202
Un\G27186
Un\G27187 Un\G27203
Un\G27188 Un\G27204
Un\G27189 Un\G27205
Un\G27190 Un\G27206
Un\G27191 Un\G27207
Un\G27192 Un\G27208
Un\G27193 Un\G27209
Un\G27210
Un\G27194
Un\G27195 Un\G27211
Un\G27196 Un\G27212
Un\G27197
Un\G27213
Un\G27198 Un\G27214
Un\G27199
Un\G27215
Section 3.2.2 (2) Timing chart
The Class3/UCMM Tag communication status is stored for each tag No.
• 0: Not communicating, Communication error, Reserved tag, No setting for tag
• 1: Normal communication
After recovering from a communication error, the status is automatically changed to
on (1: Normal communication).
For details of area assignment, refer to the following.
(3) Reserved tag (Class3/UCMM)(Un\G27216 to Un\G27231) in this section
The error status of Class3/UCMM Tag communication is stored for each tag No.
• 0: Normal communication, Normal response, No response, No setting for tag
• 1: Communication error, Response error
When recovered from a communication or response error, the status is automatically changed
to on (0: Normal communication, Response error, No response, or No setting for tag).
For details of area assignment, refer to the following.
(3) Reserved tag (Class3/UCMM)(Un\G27216 to Un\G27231) in this section
The reserved tag setting status for Class3/UCMM Tag communication is stored for
each tag No.
• 0: No reserved tag
• 1: Reserved tag
Reserved Tag
(Class3/UCMM)
b15 b14 b13 b12
Un\G27216
16
Un\G27217
32
Un\G27218
48
Un\G27219
64
Un\G27220
80
Un\G27221
96
Un\G27222
112 111
Un\G27223
128 127
Un\G27224
144 143
Un\G27225
160 159
176 175
Un\G27226
Un\G27227
192 191
Un\G27228 208 207
Un\G27229
224 223
Un\G27230 240 239
256 255
Un\G27231
Figure 3.25 Communication status (Class3/UCMM)
b11 b10 b9 b8
15 14 13 12 11 10 9
31 30 29 28 27 26 25
47 46 45 44 43 42 41
63 62 61 60 59 58 57
79 78 77 76 75 74 73
95 94 93 92 91 90 89
110 109 108 107 106 105
126 125 124 123 122 121
142 141 140 139 138 137
158 157 156 155 154 153
174 173 172 171 170 169
190 189 188 187 186 185
206 205 204 203 202 201
222 221 220 219 218 217
238 237 236 235 234 233
254 253 252 251 250 249
3.3.15 Communication status (Class3/UCMM)
Each bit indicates
a Tag No.
b7 b6 b5 b4 b3 b2 b1
8 7 6 5 4 3 2
24 23 22 21 20 19 18
40 39 38 37 36 35 34
56 55 54 53 52 51 50
72 71 70 69 68 67 66
88 87 86 85 84 83 82
104 103 102 101 100 99 98
120 119 118 117 116 115 114
136 135 134 133 132 131 130
152 151 150 149 148 147 146
168 167 166 165 164 163 162
184 183 182 181 180 179 178
200 199 198 197 196 195 194
216 215 214 213 212 211 210
232 231 230 229 228 227 226
248 247 246 245 244 243 242
3.3 Buffer Memory
1
2
3
4
5
b0
1 6
17
33
49
65
81
97
7
113
129
145
161
177
193
8
209
225
241
3
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