Watlow CAS200 Manual de usuario Pagina 37
- Pagina / 124
- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
CAS200 User’s Guide Chapter 2: Installation
Watlow Anafaze 25
NOTE! When mixing current inputs with low voltage in-
puts (thermocouples or voltage inputs less than
one volt), connect the current signal to the IN+
and Ref Com terminals. When no low voltage sen-
sors are used, the current inputs can be wired to
the IN+ and Com terminals on the TB1.
Serial Communications
The CAS200 series scanners are factory-configured for
EIA/TIA-232 communications unless otherwise specified
when purchased. However, the communications are
jumper-selectable, so you can switch between EIA/TIA-232
and EIA/TIA-485. See Changing Communications on page
81.
EIA/TIA-232 Interface
EIA/TIA-232 provides communication to the serial port of
an IBM PC or compatible computer. It is used for single-
scanner installations where the cable length does not
exceed 50 feet (15 m).
The EIA/TIA-232 interface is a standard three-wire
interface. Table 2.3 shows EIA/TIA-232 connections for 25-
pin and 9-pin connectors or cables that are supplied by the
factory.
If you are using EIA/TIA-232 communications with
grounded thermocouples, use an optical isolator between
the scanner and the computer to prevent ground loops.
EIA/TIA-232 may be used to connect a computer through a
232-to-485 converter to an EIA/TIA-485 communications
network with up to 32 CAS200 scanners.
Table 2.3 EIA/TIA-232 Connections
Jumpers in EIA/TIA-232 Connectors
Some software programs and some operator interface
terminals require a clear to send (CTS) signal in response
Wire
Color
CAS200
TB1
DB 9
Connector
DB 25
Connector
White TX Pin 26 RX Pin 2 RX Pin 3
Red RX Pin 25 TX Pin 3 TX Pin 2
Black GND Pin 23 GND Pin 5 GND Pin 7
Green GND Pin 24 N/U Pin 9 N/U Pin 22
Shield N/C GND Pin 5 GND Pin 7
- User’s Guide 1
- Warranty 2
- Contents 3
- Using the CAS200 35 4
- Setup 41 4
- Setup Channel Inputs 50 5
- Setup Channel Alarms 58 5
- Contents CAS200 User’s Guide 6
- CAS200 User’s Guide Contents 7
- Watlow Anafaze v 7
- List of Figures 9
- 7 Specifications 91 10
- List of Tables 11
- System Overview 13
- Getting Started 14
- Product Features 15
- System Diagram 16
- Parts List 16
- Safety 17
- 6 Watlow Anafaze 18
- Installation 19
- Typical Installation 20
- External Safety Devices 21
- Mounting 22
- Mounting the Scanner 23
- 12 Watlow Anafaze 24
- Mounting the TB50 25
- System Wiring 26
- Wiring Recommendations 27
- Noise Suppression 28
- Avoiding RFI/EMI 29
- Ground Loops 30
- Power Connections 31
- CAS200 Power Supply 32
- Table 2.2 Power Connections 32
- NO" key while 33
- Input Wiring 34
- Thermocouple Connections 35
- Voltage Input Connections 36
- Current Input Connections 36
- Serial Communications 37
- EIA/TIA-485 Interface 38
- Cable Recommendations 39
- Connections 40
- Signal Common 40
- Termination 40
- Wiring Digital I/O 41
- Digital Outputs 42
- Alarm Output Connections 43
- CPU Watchdog 44
- Digital Inputs 44
- Watlow Anafaze 33 45
- Table 2.6 TB18 Connections 46
- Using the CAS200 47
- Front Panel Keys 48
- Watlow Anafaze 37 49
- Single Channel Display 50
- Job Display 50
- Change Setpoint 51
- Acknowledging an Alarm 52
- Resetting an Alarm 52
- Watlow Anafaze 41 53
- How to Edit a Menu 54
- Watlow Anafaze 43 55
- Passkey Sequence 55
- Single Channel Display 55
- Load a Job 56
- Save Setup to Job 57
- Job Select Inputs 57
- Job Select Input Polarity 58
- Startup Alarm Delay 58
- Keyboard Lock Status 59
- Scanner Address 59
- Communications Baud Rate 59
- Communications Protocol 60
- AC Line Frequency 61
- Digital Output Polarity 61
- Setup Channel Inputs 62
- Display Resolution 63
- Pulse Sample Time 64
- Channel Name 64
- Input Units 64
- Input Reading Offset 65
- Linear Scaling Menus 66
- Display Format 67
- High Process Value 68
- Input Scaling High Reading 68
- Input Scaling Low Reading 69
- Input Filter 69
- Setup Channel Alarms 70
- Watlow Anafaze 59 71
- Alarm Delay 72
- High Process Alarm Type 72
- Deviation Alarm Value 73
- High Deviation Alarm Type 73
- Low Deviation Alarm Type 74
- Low Process Alarm Setpoint 75
- Low Process Alarm Type 75
- Alarm Deadband 76
- Manual I/O Test 77
- Digital Output Test 78
- Keypad Test 78
- When There is a Problem 79
- Troubleshooting Scanners 80
- Thermocouple Break Alarm 81
- System Alarms 81
- Other Behaviors 82
- Low Power 83
- Battery Dead 83
- HW Ambient Failure 84
- HW Gain or Offset Failure 84
- Keys Do Not Respond 85
- Checking Analog Inputs 85
- Earth Grounding 86
- Testing Output Devices 87
- Testing the TB18 and TB50 87
- Testing Digital Outputs 87
- Supervised Systems 88
- Communications 89
- Ground Channels 90
- Software Problems 90
- NO-Key Reset 90
- Replacing the EPROM 91
- 80 Watlow Anafaze 92
- Changing Communications 93
- CAS200 Input Circuit 94
- CAS200 Current Inputs 95
- CAS200 Voltage Inputs 96
- Scaling and Calibration 97
- 86 Watlow Anafaze 98
- Linear Scaling Examples 99
- Example 1: 4-20mA Sensor 100
- Example 2: 0-5Vdc Sensor 101
- Example 3: Pulse Encoder 102
- Specifications 103
- Table 7.3 Physical Dimensions 104
- Dimensions 104
- Watlow Anafaze 93 105
- 94 Watlow Anafaze 106
- Figure 7.4 TB50 Dimensions 107
- Table 7.8 TB50 Connections 107
- SCSI Cable 108
- Inputs 110
- Table 7.12 Pulse Inputs 111
- Resolution 111
- Table 7.15 Digital Inputs 112
- Outputs 113
- Parameter Description 114
- CAS200 Power Supply 115
- 104 Watlow Anafaze 116
- Glossary 117
- Glossary CAS200 User’s Guide 118
- 106 Watlow Anafaze 118
- CAS200 User’s Guide Glossary 119
- Watlow Anafaze 107 119
- 108 Watlow Anafaze 120
- Watlow Anafaze 109 121
- 110 Watlow Anafaze 122
- Watlow Anafaze 111 123
- 112 Watlow Anafaze 124
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