Despatch P1400+ Temperature Controller - Manual (Page 4)

SECTION5: POWERING UP .............................................................................................................24
5.1 Powering Up Procedure......................................................................................................................24
5.2 Overview of Front Panel .....................................................................................................................24
5.3 Displays ..............................................................................................................................................25
5.4 Keypad ................................................................................................................................................25
5.5 LED Functions ....................................................................................................................................25
SECTION 6: MESSAGES AND ERROR INDICATIONS ...................................................................26
SECTION 7: INSTRUMENT OPERATION MODES...........................................................................27
7.1 Select Mode ........................................................................................................................................27
Entry into the Select Mode.................................................................................................................. 27
Navigating in Select Mode .................................................................................................................. 27
Unlock Codes...................................................................................................................................... 27
7.2 Automatic Tune Mode.........................................................................................................................28
Navigating in Automatic Tune Mode................................................................................................... 28
7.3 Product Information Mode ..................................................................................................................29
Navigating in the Product Information Mode ...................................................................................... 29
7.4 Lock Code View ..................................................................................................................................31
Entry and Navigating in Lock Code View Mode ................................................................................. 31
SECTION 8: 1400+ CONTROLLER – MODEL GROUP....................................................................32
8.1 1400+ Controllers - Configuration Mode.............................................................................................32
Entry into the Configuration Mode ...................................................................................................... 32
Scrolling through Parameters and Values .......................................................................................... 32
Changing Parameter Values............................................................................................................... 33
8.2 1400+ – Setup Mode ..........................................................................................................................39
Entry into the Setup Mode .................................................................................................................. 39
Scrolling through Parameters & Values.............................................................................................. 39
Changing Parameter Values............................................................................................................... 39
8.3 1400+ Controllers - Operator Mode ....................................................................................................43
1400+ Controllers – Extended Operator Mode................................................................................... 43
Navigating in Operator Mode.............................................................................................................. 43
Adjusting the Local Setpoint(s) .................................................................................................................45
8.4 Adjusting the Setpoint Ramp Rate......................................................................................................45
8.5 Manual Control Mode..........................................................................................................................46
Selecting/deselecting Manual Control Mode ...................................................................................... 46
8.6 1400+ Controllers –Communications Parameters..............................................................................46
Bit Parameters .................................................................................................................................... 46
Word Parameters................................................................................................................................ 47
SECTION 9: MANUALLY TUNING CONTROLLERS........................................................................53
9.1 Single Control Tuning (PID with Primary Output only) .......................................................................53
9.2 Dual Control Tuning (PID with Primary and Secondary Outputs) ......................................................54
9.3 Valve Control Tuning (PI with Linear Outputs) ...................................................................................54
9.4 Manually Fine Tuning..........................................................................................................................56
SECTION 10: MODBUS SERIAL COMMUNICATIONS ....................................................................57
10.1 Physical Layer...................................................................................................................................57
10.2 Link Layer .........................................................................................................................................58
10.3 Device Addressing ............................................................................................................................59
10.4 Supported Modbus Functions ...........................................................................................................59
10.5 Function Descriptions .......................................................................................................................59
Read Coil/Input Status (Function 01 / 02) .......................................................................................... 60
Read Holding/Input Registers (Function 03 / 04) ............................................................................... 60
Force Single Coil (Function 05) .......................................................................................................... 61
Pre-Set Single Register (Function 06) ................................................................................................ 61
Loopback Diagnostic Test (Function 08) ............................................................................................ 61
Pre-Set Multiple Registers (Function 10 Hex) .................................................................................... 62
Exception Responses ......................................................................................................................... 62