Watlow CLS200, MLS300 and CAS200 User Manual Page 46
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40 Communications Specification
Chapter 3: Controller Parameter Descriptions
In the following tables, “RS” in the Product(s) column indicates that the
parameter is found in controllers equipped within the Ramp and Soak
option firmware. Similarly, “EF” indicates that the parameter is found in
controllers equipped with the Enhanced Features option.
Menu/Parameter Product(s) Parameter(s)
Single-Loop Display
Setpoint All Units 5
Process Variable All Units 6
Heat Output Percent Not CAS/CAS200 8
Cool Output Percent Not CAS/CAS200 8
Control Mode Not CAS/CAS200 4 or 96
Process/Deviation/Sensor Alarms All Units 13, 64
System Alarms All Units 13, 15
Assign R/S Profile RS 46
Ramp Soak Profile RS 100
Current Segment RS 47
Time Remaining RS 48
Cycle Number RS 49
Set Mode RS 46
Reset RS 46
Global Menu
Load Setup From Job All Units Front Panel Only
Job Save Number All Units 73
Job Select Dig Inputs All Units 23
Job Sel Dig Ins Active All Units 24
Output Override Dig Input Not CAS/CAS200 Front Panel Only
Override Dig In Active Not CAS/CAS200 Front Panel Only
Startup Alarm Delay All Units 40
Ramp/Soak Time Base RS 31
Keyboard Lock Status All Units 31
Power Up Output Status Not CAS/CAS200 31
Process Power Digin Not CAS/CAS200 Front Panel Only
Controller Address Not CAS/CAS200 101
Communications Protocol All Units Front Panel Only
Communications Err Check All Units Front Panel Only
AC Line Freq All Units 31
Dig Out Polarity on Alarm All Units 31
Firmware Info All Units 34, 35, 99
Input Menu
Input Type All Units 3
Loop Name Not CAS/CAS200 77
Channel Name CAS/CAS200 only 78
- CLS200, MLS300 1
- Communications 1
- Specification 1
- Warranty 2
- Contents 3
- Protocol Syntax 9
- Transaction Sequence 10
- Packet Format 12
- Codes in a Packet 12
- Error Checking 14
- Cyclic Redundancy Check (CRC) 15
- Examples 16
- Block Write 19
- Message Data 20
- Data for a Write Command 21
- Two-Byte Data Types 21
- Figuring Block Size 21
- Anafaze/AB Data Table Summary 22
- Number Description 24
- Address 24
- Type Number of Bytes 24
- Overview 27
- The Query-Response Cycle 28
- Serial Transmission 28
- Message Framing 29
- Contents of the Data Field 30
- CRC Error Checking 31
- Function Codes 32
- Diagnostic Subfunctions 33
- Writing Data 36
- Reading Data 36
- Write Examples 38
- Modbus-RTU Data Table Summary 39
- Chapter 3: 45
- All Units 17, 18 47
- Enhanced Features options 49
- Parameters (by number) 51
- Input Type (3) 52
- Output Type (4) 53
- Setpoint (5) 54
- Process Variable (6) 54
- Output Filter (7) 54
- Output Value (8) 55
- Alarm Deadband (12) 55
- Alarm_Status (13) 56
- Ambient Sensor Readings (15) 58
- Pulse Sample Time (16) 58
- High Process Variable (17) 58
- Low Process Variable (18) 58
- Precision (19) 59
- Cycle Time (20) 60
- Zero Calibration (21) 60
- Full Scale Calibration (22) 60
- Digital Inputs (25) 60
- Digital Outputs (26) 61
- Override Digital Input (28) 61
- Override Polarity (29) 61
- System Status (30) 62
- System Command Register (31) 62
- Data Changed Register (32) 63
- Input Units (33) 63
- EPROM Version Code (34) 64
- Options Register (35) 64
- High Reading (37) 65
- Low Reading (38) 65
- Heat/Cool Spread (39) 65
- Startup Alarm Delay (40) 66
- • Range: See tables below 67
- • Default: 0 67
- Current Segment (47) 68
- Segment Time Remaining (48) 68
- Current Cycle Number (49) 68
- Tolerance Alarm Time (50) 68
- Last Segment (51) 68
- Number of Cycles (52) 69
- Ready Setpoint (53) 69
- Ready Event States (54) 69
- Segment Setpoint (55) 70
- Segment Time (58) 72
- Tolerance (59) 72
- Ramp/Soak Flags (60) 72
- Output Limit (61) 73
- Output Limit Time (62) 73
- Alarm_Control (63) 74
- Alarm_Acknowledge (64) 74
- Alarm_Mask (65) 74
- Alarm_Enable (66) 74
- AIM Fail Output (68) 75
- Output Linearity Curve (69) 76
- SDAC Mode (70) 76
- SDAC Low Value (71) 76
- SDAC High Value (72) 76
- Save Setup to Job (73) 77
- Input Filter (74) 77
- Loop Alarm Delay (75) 77
- Loop Names (77) 77
- Channel Name (78) 78
- Manufacturing Test (80) 78
- Cascade Maximum Setpoint (89) 80
- Cascade Base Setpoint (87) 80
- Cascade Minimum Setpoint (88) 80
- Loop Status (96) 82
- Output Type/Disable (97) 82
- Output Reverse/Direct (98) 82
- Controller Type (99) 83
- Ramp/Soak Profile Number (100) 83
- Controller Address (101) 83
- Baud Rate (102) 83
- Ready Events (103) 84
- Appendix A: 85
- Communications Driver 85
- Close_Comm_Port() 86
- DownLoad() 86
- UpLoad() 87
- Glossary 89
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