Watlow CLS200, MLS300 and CAS200 User Manual Page 22
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16 Communications Specification
Chapter 1: ANAFAZE/AB Protocol
Anafaze/AB Data Table Summary
Each address holds one byte of data. Each parameter value requires one
or two addresses to store depending on the type of data. The table below
indicates the number of bytes for each data type. The data type for each
parameter is indicated in the tables on the following pages.
Because each loop is individually configurable, the number of instances
of many parameters depends on the number of loops in the controller.
Therefore, the number of bytes for these parameters is listed in the
tables on the following pages in terms of the number of loops in the
controller.
The storage requirements for some parameters depend on the number of
digital inputs or digital outputs in the controller (MAX_DIGIN_BYTES
and MAX_DIGOUT_BYTES). The storage of ramp-soak profile
parameters depend on the number of profiles (MAX_RSP), the number
of segments per profile (MAX_SEG), the number of triggers per
segment (MAX_TRIG) and the number of events per segment
(MAX_EVENT).
The table below shows the values for each of these factors. Use them to
calculate the number of bytes for each parameter.
Data Type and Symbol Data Size
Unsigned char (UC) 1 byte
Signed char (SC) 1 byte
Unsigned int (UI) 2 bytes
Signed int (SI) 2 bytes
MAX_CH:
4CLS/CLS204 (4 loops + 1 pulse loop)
8CLS/CLS208 (8 loops + 1 pulse loop)
16CLS/CLS216/CAS200 (16 loops + 1 pulse loop)
16MLS/MLS316 (16 loops + 1 pulse loop)
32MLS/MLS332 (32 loops + 1 pulse loop)
5
9
17
17
33
MAX_DIGIN_BYTES 1
MAX_DIGOUT_BYTES 8
MAX_RSP 17
MAX_SEG 20
MAX_TRIG 2
MAX_EVENT 4
- 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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