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Pag. 42
2.12 STG/IN8S and STG/OUT16S module addressing
STG/IN8S and STG/OUT16S modules are addressed using the two rotary switches in RSW 1
and 2 hexadecimals. Rotary switches permit hexadecimal settings (base 16). Each switch as
16 positions (0-F) and the pointer is positioned on the number chosen using a screwdriver
to create a decimal value between 1 and 255 (see table below). See the summary table 1 for
the maximum number of connectable modules to the gas control unit.
Each module must have univocal address in the system. Dual addresses are not permitted
even if modules are on dierent serial buses.
Figure 17) Example: If the address switches are set in this mode, RSW2 at 0 and RSW1 at D, the corresponding address in decimal numbers would
be 13 (see table below).
Table 6) Conversion from decimal to hexadecimal numbers. (*) Addresses not available for the Modbus protocol, (**) Address not available for
the Galileo protocol
DEC HEX DEC HEX DEC HEX DEC HEX DEC HEX DEC HEX DEC HEX
1 01 38 26 75 4B 112 70 149 95 186 BA 223 DF
2 02 39 27 76 4C 113 71 150 96 187 BB 224 E0
3 03 40 28 77 4D 114 72 151 97 188 BC 225 E1
4 04 41 29 78 4E 115 73 152 98 189 BD 226 E2
5 05 42 2A 79 4F 116 74 153 99 190 BE 227 E3
6 06 43 2B 80 50 117 75 154 9A 191 BF 228 E4
7 07 44 2C 81 51 118 76 155 9B 192 C0 229 E5
8 08 45 2D 82 52 119 77 156 9C 193 C1 230 E6
9 09 46 2E 83 53 120 78 157 9D 194 C2 231 E7
10 0A 47 2F 84 54 121 79 158 9E 195 C3 232 E8
11 0B 48 30 85 55 122 7A 159 9F 196 C4 233 E9
12 0C 49 31 86 56 123 7B 160 A0 197 C5 234 EA
13 0D 50 32 87 57 124 7C 161 A1 198 C6 235 EB
14 0E 51 33 88 58 125 7D 162 A2 199 C7 236 EC
15 0F 52 34 89 59 126 7E 163 A3 200 C8 237 ED
16 10 53 35 90 5A 127 7F 164 A4 201 C9 238 EE
17 11 54 36 91 5B 128 80 165 A5 202 CA 239 EF
18 12 55 37 92 5C 129 81 166 A6 203 CB 240 F0
19 13 56 38 93 5D 130 82 167 A7 204 CC 241 F1
20 14 57 39 94 5E 131 83 168 A8 205 CD 242 F2
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