User manual

Contents
MAN_905G_1.16 Page 6
CONTENTS
CHAPTER 1 INTRODUCTION 9
1.1 905G OVERVIEW 9
1.1.1 Modbus / DF1 905G 10
1.1.2 Profibus 905G 10
1.1.3 Ethernet 905G 11
1.1.4 DeviceNet 905G 12
1.1.5 Modbus Plus 905G 12
1.2 T
HE 905G STRUCTURE 13
1.2.1 On-board I/O 14
1.2.2 I/O Expansion - 105S modules 14
1.3 T
HE WIRELESS NETWORK 14
1.3.1 905U to 905G Network 14
1.3.2 905G to 905G Network 15
1.3.3 “Data Concentrator” Networks 16
1.3.4 905G Repeaters 17
CHAPTER 2 OPERATION 19
2.1 START-UP 19
2.2 O
PERATION 19
2.3 D
ATABASE 21
2.4 T
HE HOST - 905G LINK 22
2.4.1 Modbus / DF1 22
2.4.2 Profibus 23
2.4.3 Ethernet 23
2.5 R
ADIO SYSTEM DESIGN 23
2.5.1 Radio Signal Strength 24
2.5.2 Repeaters 24
2.6 R
ADIO COMMS FAILURE 24
2.6.1 Monitoring Communications Failure 25
2.7 S
ECURITY CONSIDERATIONS 26
CHAPTER 3 INSTALLATION 27
3.1 GENERAL 27
3.2 A
NTENNA INSTALLATION 27
Dipole and Collinear antennas. 29
3.2.2 Yagi antennas. 29
3.3 P
OWER SUPPLY 33
3.3.1 AC Supply 33
3.3.2 DC Supply 33
3.3.3 Solar Supply 33
3.4 I
NPUT / OUTPUT 33
3.4.1 Digital Inputs / Outputs 33
3.5 S
ERIAL PORT 33
3.5.1 RS232 Serial Port 33
3.5.2 RS485 Serial Port 34
3.6 P
ROFIBUS PORT 36
3.7 E
THERNET PORT 37
3.8 M
ODBUS PLUS PORT 38
3.9 D
EVICENET PORT 39
CHAPTER 4 CONFIGURATION 41
4.1 INTRODUCTION 41
4.2 C
ONFIGURATION PROGRAM 42
Program Operation 42