ScreenMaster RVG200
Paperless recorder
Appendix B – MODBUS TCP / MODBUS 485
152
OI/RVG200-EN
4A
113
212
16A
161
261
4B
114
213
16B
162
262
4C
115
214
16C
163
263
4D
116
215
16D
164
264
5A
117
216
17A
165
265
5B
118
217
17B
166
266
5C
119
218
17C
167
267
5D
120
219
17D
168
268
6A
121
220
18A
169
269
6B
122
221
18B
170
270
6C
123
222
18C
171
271
6D
124
223
18D
172
272
7A
125
225
19A
173
273
7B
126
226
19B
174
274
7C
127
227
19C
175
275
7D
128
228
19D
176
276
8A
129
229
20A
177
277
8B
130
230
20B
178
278
8C
131
231
20C
179
279
8D
132
232
20D
180
280
9A
133
233
21A
181
281
9B
134
234
21B
182
282
9C
135
235
21C
183
283
9D
136
236
21D
184
284
10A
137
237
22A
185
285
10B
138
238
22B
186
286
10C
139
239
22C
187
287
10D
140
240
22D
188
288
11A
141
241
23A
189
289
11B
142
242
23B
190
290
11C
143
243
23C
191
291
11D
144
244
23D
192
292
Active / Inactive
state
Acknowledge state
Active / Inactive
state
Acknowledge state
Read
access
0 = Inactive
1 = Active
0 = Acknowledged or
inactive
1 = Active and
unacknowledged
Read
access
0 = Inactive
1 = Active
0 = Acknowledged or
inactive
1 = Active and
unacknowledged
Write
access
None
0 = No effect
1 = Acknowledge
Write
access
None
0 = No effect
1 = Acknowledge
Alarm
MODBUS coil
MODBUS coil
Alarm
MODBUS coil
MODBUS coil
Table B.3 Alarm states (Continued)