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5: Communication Installation
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Figure 5.3 shows the detail of a 2-wire RS485 connection
Figure 5.3: 2-wire RS485 Connection
NOTES:
For All RS485 Connections:
• Use a shielded twisted pair cable and ground the shield, preferably at one location
only.
• Establish point-to-point configurations for each device on a RS485 bus: connect (+)
terminals to (+) terminals; connect (-) terminals to (-) terminals.
• You may connect up to 31 meters on a single bus using RS485. Before assembling
the bus, each meter must have a unique address: refer to Chapter 5 in the
Communicator EXT
TM
User Manual for instructions.
• Protect cables from sources of electrical noise.
• Avoid both “Star” and “Tee” connections (see Figure 5.5).
• No more than two cables should be connected at any one point on an RS485 net-
work, whether the connections are for devices, converters, or terminal strips.
• Include all segments when calculating the total cable length of a network. If you are
not using an RS485 repeater, the maximum length for cable connecting all devices
is 4000 feet (1219.20 meters).
• Connect shield to RS485 Master and individual devices as shown in Figure 5.4. You
may also connect the shield to earth-ground at one point.
• Termination Resistors (RT) may be needed on both ends for longer length transmis-
sion lines. However, since the meter has some level of termination internally,
MAX
MIN
VOLTS L-N
AMPS
%LOAD
120%-
PRG
%THD
LM2
LM1
90%-
60%-
30%-
VOLTS L-N
W/VAR/PF
VA/Hz
Wh
KILO
VARh
VAh
Wh Pulse
MEGA
A
B
C
MENU
ENTER
From other RS485 device
Connect :
• (−) to (−)
• (+) to (+)
• Shield(SH) to Shield(SH)
Shark meter RS485 connections
120
.0
120.0
120.0
+
-
SH
+
-
SH
- Shark 200 & 200T 1
- Use Of Product for Protection 6
- Statement of Calibration 6
- Disclaimer 6
- Table of Contents 9
- Industries/GaugeTech 10
- 1.1.1: Wye Connection 13
- 1.1.2: Delta Connection 16
- 1.2: Power, Energy and Demand 20
- 1.4: Harmonic Distortion 26
- 1.5: Power Quality 29
- 2.1.2: Ordering Information 34
- 2.1.3: V-Switch 36
- Key Technology 36
- 2.1.4: Measured Values 38
- Table 1: 38
- 2.1.5: Utility Peak Demand 39
- 2.2: Specifications 40
- 2.3: Compliance 45
- 2.4: Accuracy 46
- Table 2: 46
- 3: Mechanical Installation 49
- 3.4: Transducer Installation 54
- 4: Electrical Installation 57
- $VSSFOUHJMMT 60
- OJDLFMQMBUFE 60
- CSBTTTUVET 60
- 5.1.1: IrDA Port (Com 1) 79
- Electro Industries/GaugeTech 80
- UNICOM 2500 83
- Overview 84
- Software 85
- 6: Using the Shark® 200 Meter 103
- 6.2: Using the Front Panel 105
- 6.2.6: Using Operating Mode 117
- 7: Using the I/O Option Cards 121
- 7.2: Installing Option Cards 122
- 7.4: 1mA Output Card (1mAOS) 124
- 7.4.1: Specifications: 124
- 7.4.2: Default Configuration: 125
- 7.4.3: Wiring Diagram 126
- 7.5.1: Specifications 127
- 7.5.2: Default Configuration: 128
- 7.5.3: Wiring Diagram 129
- 7.6.1: Specifications 130
- 7.6.2: Wiring Diagram 132
- 7.7.1: Specifications 133
- 7.7.2: Default Configuration: 134
- 7.7.3: Wiring Diagram 135
- 7.8.1: Specifications 136
- 7.8.2: Wiring Diagram 137
- 7.9.1: Specifications 138
- 7.9.2: Default Configuration 139
- 7.9.3: Wiring Diagram 139
- 7.10.1: Specifications 140
- 7.10.2: Default Configuration 141
- 7.10.3: Wiring Diagram 141
- 8.1: Overview 143
- 8.2: Hardware Connection 143
- 8.4.1: Ethernet Communication 144
- 8.4.2: Embedded Web Server 144
- 8.4.5: Keep-Alive Feature 151
- 9: Data Logging 153
- A.1: Introduction 155
- B.1: Introduction 161
- B.3: Data Formats 161
- B.4: Floating Point Values 162
- Byte 012345678910111213 164
- B.5.3: Block Definitions 166
- B.5.4: Log Retrieval 176
- B.5.4.1: Auto-Increment 176
- B.5.6: Examples 196
- B.6.1: Hex Representation 199
- B.6.2: Decimal Representation 199
- C: DNP Mapping 243
- C.3: Data Link Layer 244
- C.4: Application Layer 244
- C.5: Error Reply 246
- C.6: Object Specifics 246
- C.7: DNP Object Point Map 248
- C.8: DNP Message Layouts 257
- C.9: Internal Indication Bits 260
- D.1: Introduction 261
- D.2: Installation Procedures 261
- Network Card (INP300S) 269
- E.1.5: Reference Materials 280
- Network Card 281
- E.2.1: Overview 281
- System Log 293
- Firmware 294
- E.6: Keep-Alive Feature 296
- E.7: Testing 296
- E.8: Error Codes 297
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