Watlow CPC400 - Manual (Page 11)

Doc.0600-2900-2000 Watlow Anafaze ix
List of Tables
2 Installation 11
Table 2.1—Cable Recommendations 21
Table 2.2—Power Connections 24
Table 2.3—Digital Output States and Values Stored in the Controller 33
Table 2.4—Digital Input States and Values Stored in the Controller 36
Table 2.5—TB18 Connections 37
Table 2.6—TB50 Connections 38
Table 2.7—EIA/TIA-232 Connections 42
Table 2.8—RTS/CTS and DSR/DTR Pins in DB-9 and DB-25 Connectors 42
3 Operation and Setup 47
Table 3.1—Control Modes on the Loop Display 50
Table 3.2—Alarm Codes and Messages for Process and Failed Sensor Alarms 52
Table 3.3—System Alarm Messages 53
Table 3.4—Input Readings 60
Table 3.5—Scaling Values 60
Table 3.6—Input Readings and Calculations 61
Table 3.7—Scaling Values 61
Table 3.8—Scaling Values 62
Table 3.9—Parameters Settings for Process Variable Retransmit Example 69
Table 3.10—Parameter Settings for the Primary Loop in the Cascade Example 72
Table 3.11—Parameter Settings for the Secondary Loop in the Cascade Example 72
Table 3.12—Ratio Control Settings for the Ratio Loop (Loop 2) in the Example 75
Table 3.13—Parameter Settings for the Ratio Loop (Loop 2) for the Example 76
Table 3.14—Parameters Settings for the Master Loop (Loop 1) in the Example 77
Table 3.15—Parameter Settings for the Ratio Loop (Loop 2) in the Example 78
Table 3.16—Number of Decimal Places for Numeric Values via Modbus or Logic 80
4 Tuning and Control 81
Table 4.1—Proportional Band Settings 85
Table 4.2—Integral Term and Reset Settings 86
Table 4.3—Derivative Term Versus Rate 86
Table 4.4—General PID Constants 87