8. DIGITAL COMMUNICATIONS

43

8.1. DIGITAL COMMUNICATIONS OVERVIEW

43

8.2. CHANGING COM PORT HARDWARE CONFIGURATION

43

8.3. RS-232 CONFIGURATION

45

8.4. RS-485 CONFIGURATION

46

8.5. ETHERNET CONFIGURATION

47

8.5.1. Hardware Setup for Configuring the Ethernet Module

47

8.5.2. Verifying Network Hardware Connection

47

8.5.3. Determining a Dynamically Assigned IP Address (DHCP Mode)

48

8.5.4. Manually Assigning a Static IP Address

48

8.6. MODBUS REGISTER MAPS

50

8.6.1. Notes on MODBUS registers

50

8.6.2. Real-Time Concentration and Status Registers (Read Only)

50

8.6.3. Instrument Setup and Configuration Registers (Read / Write)

50

9. MAINTENANCE

51

9.1. MAINTENANCE SCHEDULE

51

9.2. INSTRUMENT LAYOUT

52

9.3. REPLACING INTERNAL PARTICULATE FILTER

54

9.4. UV LAMP ADJUSTMENT

56

9.5. UV LAMP REPLACEMENT

56

9.6. SAMPLE PUMP REPLACEMENT

57

9.7. AUTO-ZEROVALVE REPLACEMENT

57

9.8. CONFIGURING THE ANALOG OUTPUT

58

9.9. CLEANING EXTERIOR SURFACES OF THE M465M

59

9.10. BOOT LOADER OPERATION

60

9.10.1. Boot Loader – Hardware Setup

60

9.10.2. Boot Loader – Software Setup

60

10. TROUBLESHOOTING

63

10.1. REFERENCE DRAWINGS

63

10.1.1. Pneumatic Diagram

63

10.1.2. Interconnect Diagram

64

10.2. TROUBLESHOOTING USING FRONT PANEL STATUS LED’S OR STATUS OUTPUTS

66

10.2.1. Sensor OK

67

10.2.2. Invalid Reading

67

10.2.3. Check Lamp

67

10.2.4. Pneumatic Error

67

11. CALIBRATION

69

11.1. FACTORY CALIBRATION

69

12. TECHNICAL ASSISTANCE

71

13. M465M SPARE PARTS

73

13.1. SPARE PARTS LIST FOR RACK MOUNT VERSION

73

13.2. SPARE PARTS LIST FOR NEMA VERSION

74

P/N 06160D DCN6409 Teledyne API Model 465M O3 Monitor Instruction Manual - Page vi

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Teledyne 465M instruction manual Calibration