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20

 

 

 

 

SECTION V: APPENDIX 

 

APPENDIX A: HEXIDECIMAL to DECIMAL CONVERSION 

 
Table A1: Decimal Value is the Modbus Meter Address. Hex Value Corresponds to the Two Rotary Switch 
Settings. (Left switch is high digit, Right switch is low digit) 

Decimal 

Hex 

Decimal 

Hex 

Decimal  

Hex 

Decimal 

Hex 

Decimal 

Hex 

Decimal 

Hex 

--- 

44 

2C 

87 

57 

130 

82 

173 

AD 

216 

D8 

02 

45 

2D 

88 

58 

131 

83 

174 

AE 

217 

D9 

03 

46 

2E 

89 

59 

132 

84 

175 

AF 

218 

DA 

04 

47 

2F 

90 

5A 

133 

85 

176 

B0 

219 

DB 

05 

48 

30 

91 

5B 

134 

86 

177 

B1 

220 

DC 

06 

49 

31 

92 

5C 

135 

87 

178 

B2 

221 

DD 

07 

50 

32 

93 

5D 

136 

88 

179 

B3 

222 

DE 

08 

51 

33 

94 

5E 

137 

89 

180 

B4 

223 

DF 

09 

52 

34 

95 

5F 

138 

8A 

181 

B5 

224 

E0 

10 

0A 

53 

35 

96 

60 

139 

8B 

182 

B6 

225 

E1 

11 

0B 

54 

36 

97 

61 

140 

8C 

183 

B7 

226 

E2 

12 

0C 

55 

37 

98 

62 

141 

8D 

184 

B8 

227 

E3 

13 

0D 

56 

38 

99 

63 

142 

8E 

185 

B9 

228 

E4 

14 

0E 

57 

39 

100 

64 

143 

8F 

186 

BA 

229 

E5 

15 

0F 

58 

3A 

101 

65 

144 

90 

187 

BB 

230 

E6 

16 

10 

59 

3B 

102 

66 

145 

91 

188 

BC 

231 

E7 

17 

11 

60 

3C 

103 

67 

146 

92 

189 

BD 

232 

E8 

18 

12 

61 

3D 

104 

68 

147 

93 

190 

BE 

233 

E9 

19 

13 

62 

3E 

105 

69 

148 

94 

191 

BF 

234 

EA 

20 

14 

63 

3F 

106 

6A 

149 

95 

192 

C0 

235 

EB 

21 

15 

64 

40 

107 

6B 

150 

96 

193 

C1 

236 

EC 

22 

16 

65 

41 

108 

6C 

151 

97 

194 

C2 

237 

ED 

23 

17 

66 

42 

109 

6D 

152 

98 

195 

C3 

238 

EE 

24 

18 

67 

43 

110 

6E 

153 

99 

196 

C4 

239 

EF 

25 

19 

68 

44 

111 

6F 

154 

9A 

197 

C5 

240 

F0 

26 

1A 

69 

45 

112 

70 

155 

9B 

198 

C6 

241 

F1 

27 

1B 

70 

46 

113 

71 

156 

9C 

199 

C7 

242 

F2 

28 

1C 

71 

47 

114 

72 

157 

9D 

200 

C8 

243 

F3 

29 

1D 

72 

48 

115 

73 

158 

9E 

201 

C9 

244 

F4 

30 

1E 

73 

49 

116 

74 

159 

9F 

202 

CA 

245 

F5 

31 

1F 

74 

4A 

117 

75 

160 

A0 

203 

CB 

246 

F6 

32 

20 

75 

4B 

118 

76 

161 

A1 

204 

CC 

247 

F7 

33 

21 

76 

4C 

119 

77 

162 

A2 

205 

CD 

248 

F8 

34 

22 

77 

4D 

120 

78 

163 

A3 

206 

CE 

249 

F9 

35 

23 

78 

4E 

121 

79 

164 

A4 

207 

CF 

250 

FA 

36 

24 

79 

4F 

122 

7A 

165 

A5 

208 

D0 

251 

FB 

37 

25 

80 

50 

123 

7B 

166 

A6 

209 

D1 

252 

FC 

38 

26 

81 

51 

124 

7C 

167 

A7 

210 

D2 

253 

FD 

39 

27 

82 

52 

125 

7D 

168 

A8 

211 

D3 

254 

FE 

40 

28 

83 

53 

126 

7E 

169 

A9 

212 

D4 

255 

--- 

41 

29 

84 

54 

127 

7F 

170 

AA 

213 

D5 

 

 

42 

2A 

85 

55 

128 

80 

171 

AB 

214 

D6 

 

 

43 

2B 

86 

56 

129 

81 

172 

AC 

215 

D7 

 

 

 

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Summary of Contents for PowerScout 18

Page 1: ...October 25 2010 2008 2010 DENT Instruments Inc DENT Instruments 64 NW Franklin Avenue Bend Oregon 97701 2906 USA Phone 541 388 4774 Fax 541 385 9333 www DENTinstruments com Shop for Power Metering products online at 1 877 766 5412 www PowerMeterStore ca ...

Page 2: ...eads to the different phases Use proper safety equipment gloves and protective clothing as required for the voltages monitored Denotes high voltage risk of electric shock Life threatening voltages may be present Qualified personnel only DO NOT EXCEED 600V This meter is equipped to monitor loads up to 600V Exceeding this voltage will cause damage to the meter and danger to the user Always use a Pot...

Page 3: ...s équipements de sécurité gants et des vêtements de protection qui sont nécessaires pour les tensions surveillées Indique haute tension Risque de choc électrique Hautes tensions peuvent être présentes qui mettent la vie en danger Personnel qualifié uniquement NE PAS DEPASSER 600V Ce compteur peut contrôler les charges jusqu à 600V Le dépassement de cette tension peut causer des dommages à l appare...

Page 4: ...rate remote terminal unit RTU Data Logger or Building Management and Control System is usually connected to the PowerScout to provide for data recording and trend logging and any human interface or display Up to 41 PowerScout 18 meters 249 PowerScout 3 meters may be connected to a single RTU for monitoring and recording power usage at multiple locations within a single site The PowerScout 18 PS18 ...

Page 5: ...nt has 1 LED to indicate communication and 3 LEDs for correct phasing Green when voltage and current on the on the same phase Red when incorrectly wired Patent pending Communication Direct Modbus over RS 485 Modbus Framing RTU binary Communication Rate 9600 baud Data Bits 8 Parity None Stop Bit 1 Data Formats Modbus Protocol Power From L1 Phase to L2 Phase PS 18 5 Watts typ 600VAC 2 5W typ 80VAC n...

Page 6: ... UN PERSONNEL QUALIFIÉ TENSIONS DANGEREUSES SONT PRÉSENTES DANGER THE UNENCLOSED POWERSCOUT BOARD REQUIRES EXTRA CAUTION WHEN CONNECTING LIFE THREATENING VOLTAGES EXCEEDING 600 VOLTS MAY EXIST ON THE BOARD THE RISK OF SERIOUS INJURY OR DEATH SHOULD NOT BE UNDERESTIMATED DANGER LA PLAQUETTE DE CIRCUITS IMPRIMÉS SANS COUVERCLE EXIGE UN REDOUBLEMENT DE PRUDENCE QUAND ON FAIT LA CONNEXION LES TENSIONS...

Page 7: ...7 PowerScout 18 Layout and Watt Transducer Naming Convention Shop for Power Metering products online at 1 877 766 5412 www PowerMeterStore ca ...

Page 8: ...Modbus address desired These switches on both the PowerScout 3 and PowerScout 18 set the address for metering element A Metering elements B through F will always have a Modbus address that is one higher than the element before For example if the rotary address switches are set to 01 then metering element A register values will be accessed at Modbus address 01 metering element B registers will be a...

Page 9: ...ge and the L3 CT on the L3 voltage Wiring of the Voltage Input Last connect 14 AWG THHN or equivalent wires to the PowerScout CAT III voltage terminals as shown in the diagram above after a building installed dedicated circuit disconnect breaker while being as close as possible to it following the local electrical codes Mark the breaker as the disconnect for the PowerScout Note that the PowerScout...

Page 10: ...he PhaseChek LEDs are red then there is a phasing connection error If two LEDs are red and one is green switch the positions of the two CTs that are red That should make all three LEDs green If all three PhaseChek LEDs are red probably the CTs are connected in the correct order but off by one position For example the L1 CT is on the L2 phase the L2 CT is on the L3 phase and the L3 CT is on the L1 ...

Page 11: ...ead Holding Register Command 03 each item below is 8 bits is as follows Meter Address Command 03h FIRST MSB FIRST LSB Number to read MSB Number to Read LSB CRC LSB CRC MSB Meter Address which meter to read FIRST First point to read Number to read Number of points to read Write Preset Single Register Command 06 each item below is 8 bits is as follows Meter Address Command 06h REG MSB LEG LSB DATA M...

Page 12: ...1 44012 System Total Apparent Energy MSW kVAh kVA System 4012 44013 System Total Apparent Power kVA Displacement PF System 4013 44014 System Total Power Factor PF Apparent PF System 4014 44015 System Total Power Factor PF Amps System Avg 4015 44016 Total current in all phases Volts Line to Line Avg 4016 44017 Voltage Line to line Volts Average Volts Line to Neutral Avg 4017 44018 Voltage Line to n...

Page 13: ... was reset LSW Time Since Reset HSW 4062 44063 Seconds since KWH register was reset MSW Volts Scalar not implemented 4064 44065 For use with step down transformer Amps Scalar not implemented 4065 44066 For use with primary CTs Firmware Major Revision 4068 44069 Firmware Minor Revision 4069 44070 CT Value x2 4300 44301 In Amps CT value x2 Data Scalar 4301 44302 See Table 2 Demand Window Size 4302 4...

Page 14: ...em kW is 3465 X 0 1 346 5 kW A raw value of Apparent Power Factor from register 44015 might be 87 This would correspond to an actual power factor of 87 X 0 01 87 PF Additionally some values e g kilowatt hours may cover a dynamic range that is larger than 65535 and require two Modbus registers Any parameter in Table 1 that shows two registers identified by the terms MSW and LSW is such a wide rangi...

Page 15: ...values To reset the accumulating registers use the standard Modbus protocol to write a 0 to register 40001 Modbus Implementation Further Information More information about Modbus can be found from Modicon in the Modicon Modbus Protocol Reference Guide PI MBUS 300 Rev J The entire document may be found at http www modicon com techpubs toc7 html Shop for Power Metering products online at 1 877 766 5...

Page 16: ...ically If it does not browse to the CD and run the ViewPointSetup exe program If you have downloaded ViewPointSetup exe browse to its location and run it Step 2 After installing successfully the ViewPoint program will run and will display a Communications screen with two values to fill in The Modbus Base Address is a hexadecimal value that should match the switches on the PowerScout The field is p...

Page 17: ...the radio buttons and click Update to get the values for that element Set CT Values The Set CT Values tab let you change the type of current transformers connected Read Write Registers The Read Write Registers tab allows you to view or change the value of any PowerScout registers See the User s Manual for a list of the registers and their description This tab is provided for diagnostic and special...

Page 18: ...Found New Hardware Wizard will appear The first screen will ask Can Windows connect to Windows Update to search for software 4 Click No not this time then Next 5 Click Install from a list or specific location Advanced Next 6 In the New Hardware Wizard select Search for the best drivers in these locations and Search removable media floppy CD ROM 7 Click NEXT Shop for Power Metering products online ...

Page 19: ...er to install the serial port Repeat steps 4 8 10 When the Completing the Found New Hardware Wizard is displayed remove the CD from your computer and store 11 Verify that the dip switches on the back of the USB to RS 422 485 adapter are set to RS 422 485 Echo Off 2 Wire 2 Wire 12 The adapter is now ready for use Shop for Power Metering products online at 1 877 766 5412 www PowerMeterStore ca ...

Page 20: ... 103 67 146 92 189 BD 232 E8 18 12 61 3D 104 68 147 93 190 BE 233 E9 19 13 62 3E 105 69 148 94 191 BF 234 EA 20 14 63 3F 106 6A 149 95 192 C0 235 EB 21 15 64 40 107 6B 150 96 193 C1 236 EC 22 16 65 41 108 6C 151 97 194 C2 237 ED 23 17 66 42 109 6D 152 98 195 C3 238 EE 24 18 67 43 110 6E 153 99 196 C4 239 EF 25 19 68 44 111 6F 154 9A 197 C5 240 F0 26 1A 69 45 112 70 155 9B 198 C6 241 F1 27 1B 70 46...

Page 21: ...oltage Volts Multiplier Required 40009 Sum of Line Currents Amps X1 Multiplier Required 40010 L1 Phase True Power kW Multiplier Required 40011 L2 Phase True Power kW Multiplier Required 40012 L3 Phase True Power kW Multiplier Required 40013 L1 Phase Apparent Power Factor aPF Multiplier Required 40014 L2 Phase Apparent Power Factor aPF Multiplier Required 40015 L3 Phase Apparent Power Factor aPF Mu...

Page 22: ...exp 5 3 0518exp 5 3 0518exp 5 40016 VOLTS L1 L2 0 03125 0 03125 0 03125 0 03125 0 03125 40017 VOLTS L2 L3 0 03125 0 03125 0 03125 0 03125 0 03125 40018 VOLTS L3 L1 0 03125 0 03125 0 03125 0 03125 0 03125 40019 VOLTS L1 N 0 015625 0 015625 0 015625 0 015625 0 015625 40020 VOLTS L2 N 0 015625 0 015625 0 015625 0 015625 0 015625 40021 VOLTS L3 N 0 015625 0 015625 0 015625 0 015625 0 015625 40022 AMPS...

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