Emerson iPro.Genius - Default Chapter; Table of Contents

Table of Contents • v
Contents
1 INTRODUCTION.......................................................................................................................................................... 1
1.1. T
HE DAC’S I/O POINTS ............................................................................................................................................... 1
1.2. I
NDEPENDENT SYSTEM CONTROL ................................................................................................................................ 1
2 MOUNTING AND POWERING ................................................................................................................................. 2
2.1. I
NSTALLATION .............................................................................................................................................................. 2
2.2. P
OWERING THE DAC.................................................................................................................................................... 2
2.2.1. Choosing Transformer Sizes ................................................................................................................................. 3
2.2.2. The DAC Power Wiring ........................................................................................................................................ 3
2.2.3. Wire Types and Maximum Distances................................................................................................................... 3
3 THE MODBUS NETWORK ........................................................................................................................................ 4
3.1. W
IRING TYPES.............................................................................................................................................................. 4
3.1.1. Daisy Chains ......................................................................................................................................................... 4
3.1.2. Network Addressing - Visograph .......................................................................................................................... 5
3.1.2.1. Connecting the Visograph .................................................................................................................................................. 5
3.1.2.2. Visograph Navigation ......................................................................................................................................................... 5
3.1.2.3. Setting the MODBUS Address ........................................................................................................................................... 5
3.2. MODBUS TERMINATION ............................................................................................................................................. 6
4 INPUT AND OUTPUT SETUP .................................................................................................................................... 6
4.1. T
HE DAC INPUTS ........................................................................................................................................................ 6
4.1.1. Wiring Analog Inputs on the DAC ........................................................................................................................ 7
4.1.2. Wiring Digital Inputs on the DAC ........................................................................................................................ 8
4.2. T
HE DAC OUTPUTS.................................................................................................................................................... 10
4.2.1. Wiring Digital Loads on the DAC....................................................................................................................... 10
4.2.2. Wiring Analog Outputs on the DAC ................................................................................................................... 11
5 WIRING CONNECTION TO SITE SUPERVISOR ............................................................................................... 13
6 DAC STATUS LEDS ................................................................................................................................................... 14
6.1. PWR ON LED ........................................................................................................................................................... 14
6.2. T
X AND RX LEDS ...................................................................................................................................................... 14
6.3. LED1 N
ETWORK STATUS........................................................................................................................................... 14
6.4. ALARM LED S
TATUS ............................................................................................................................................... 14
7 SOFTWARE OVERVIEW ......................................................................................................................................... 15
7.1. A
PPLICATION MODE ................................................................................................................................................... 15
7.2. O
PERATIONAL MODES ................................................................................................................................................ 15
7.3. S
PACE TEMPERATURE CONTROL................................................................................................................................ 16
7.3.1. Terminal Load Calculation................................................................................................................................. 16
7.4. S
UPPLY TEMPERATURE CONTROL .............................................................................................................................. 16
7.4.1. Supply Air Setpoint Reset.................................................................................................................................... 16
7.4.2. Cooling Mode...................................................................................................................................................... 16
7.4.2.1. Staged Cooling.................................................................................................................................................................. 16
7.4.2.2. Modulating Cooling .......................................................................................................................................................... 17
7.4.2.3. Cooling OAT Lockout ...................................................................................................................................................... 17
7.4.3. Heating Mode...................................................................................................................................................... 17
7.4.3.1. Staged Heating .................................................................................................................................................................. 17
7.4.3.2. Modulating Heating .......................................................................................................................................................... 18