Despatch P1400+ Temperature Controller Bedienungsanleitung PDF herunterladen (Seite 61)

6. Follow the instructions in the diagram below. At each stage, allow sufficient settling time

before moving on to the next stage.

Table 15.

Manually Tuning Valve Control

Time

Process Variable

Time

Process Variable

START

Apply Power to

the load.

Does the

continuously

Oscillate?

Note the time

interval T

Set

Pb_P

= 0.8%

Set

ArSt

= T

Are the

Oscillations

decaying to

zero?

Multiply

Pb_P

setting by 1.5

END

Note the period

of the decaying

oscillations (T

)

Multiply

Pb_P

setting by 1.5

Set

ArSt

= T

Yes

The controller is now tuned.

Fine-tuning may be required

to optimise the controllers

response

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 109 110

TABLE OF CONTENTS 3
How to use this manual 6
SECTION 1: INTRODUCTION 7
SECTION 2: INSTALLATION 8
2.3 Panel Cut-outs 9
2.4 Panel-Mounting 9
SECTION 3: PLUG-IN OPTIONS 11
Table 1 12
DIN Instruments 13
4.3 Wire Isolation 16
4.4 Use of Shielded Cable 17
CAUTION: 18
4.8 Connections and Wiring 19
Figure 9. Rear terminals ( 20
-DIN Instruments) 20
4.14 Option Slot 1 23
4.15 Option Slot 2 25
4.16 Option Slot 3 26
4.17 Option Slot A 28
4.18 Option Slot B 29
SECTION 5: POWERING UP 30
5.3 Displays 31
5.4 Keypad 31
5.5 LED Functions 31
7.1 Select Mode 33
7.2 Automatic Tune Mode 34
7.3 Product Information Mode 35
7.4 Lock Code View 37
Changing Parameter Values 39
8.2 1400+ – Setup Mode 45
Navigating in Operator Mode 49
8.5 Manual Control Mode 52
Word Parameters 53
Table 15 61
9.4 Manually Fine Tuning 62
10.1 Physical Layer 63
10.2 Link Layer 64
10.3 Device Addressing 65
10.5 Function Descriptions 65
01 / 02 HI LO HI LO 66
01 / 02 66
03 / 04 HI LO HI LO 66
03 / 04 HI LO HI LO 66
Exception Responses 68
11.1 Physical Layer 70
11.2 Device Addressing 70
11.3 Session Layer 70
Type 1 Message 71
Type 2 Message 72
Type 3 Message 72
11.4 Error Response 73
SECTION 12: CALIBRATION MODE 74
12.3 Recalibration Procedure 75
Type: Controller Definition 76
Alarm Operation 77
Type: General Definition 84
Type: Controller Parameter 84
Figure 37. Overlap/Deadband 87
14.1 Universal Input 99
DC Linear 101
14.2 Auxiliary Inputs 102
14.3 Digital Inputs 102
14.4 Output Specifications 102
Single Relay: 103
Dual Relay: 103
SSR Driver: 103
14.7 Digital Communications 105
14.5 Control Specifications 105
14.6 Process Alarms 105
14.8 Reference Conditions 106
14.9 Operating Conditions 106
14.10 Standards 106
Manual Language 108
Packing Options 108
Special Variants 108

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