Contents
Menus 49
Major Features 50
Motor Speed Ramp 50
Dual Ramps 51
Essential Services Override 51
Minimum Speed Idle Function 52
Line Contactor Start Control 53
Reference Selector 55
User References 55
Analogue Inputs and Spanning 56
Extended Feature Option Cards 57
Extended Feature Analogue Output 57
P.I.D. Controller 58
PID Setup Checklist and Tuning 59
PID Application Examples 61
Application: Stair pressurisation fan with internal PID 61
Application: Cooling tower fan with reverse acting internal PID 61
Application: Water pumping with automatic pressure control 61
Communications 62
EIA/RS-485 Communication Indicator 62
BACnet MS/TP 62
BACnet Services Supported 62
Data Link Layer 62
MAC ID / Device Object Instance 62
BACnet Set-up and Operation 63
Local mode 63
Remote mode 63
Reset 63
Network Speed Reference 63
Essential services operation (ESO) 63
Local / remote mode selection 63
BACnet Quick Set-up Guide 63
BACnet Status Indicators 64
MODBUS RTU (EIA/RS-485) 64
MODBUS Memory Model 64
Supported MODBUS Function Codes 64
MODBUS Exceptions 64
MODBUS Setup and Operation 65
Local mode 65
Remote mode 65
Reset 65
Network Speed Reference 65