Bacharach MultiZone - Page 5

Multi-Zone Gas Monitors
P/N: 3015-5074 Rev 11 v
4.4.1. Functional Overview ....................................................................................................33
4.4.2. Responding to Alarms ..................................................................................................34
4.4.3. Alarm Detail Screen .....................................................................................................34
4.4.4. Acknowledging Alarms .................................................................................................35
4.4.5. Silencing an Alarm .......................................................................................................35
4.4.6. Clearing the Alarm Event Log .......................................................................................36
4.5. System Faults .........................................................................................................................36
4.5.1. Functional Overview ....................................................................................................36
4.5.2. Navigating to the Fault Screen ......................................................................................37
4.5.3. Critical Faults ..............................................................................................................37
4.5.4. Non Critical Faults .......................................................................................................38
4.5.5. Reset to Factory Default Settings..................................................................................38
4.5.6. Clearing System Faults ................................................................................................38
4.5.7. Viewing Fault Log ........................................................................................................39
4.5.8. Viewing Flow Log ........................................................................................................39
4.6. The Trend Screen....................................................................................................................40
4.6.1. Navigating to the Trend Screen ....................................................................................40
4.7. The Calibration Screen.............................................................................................................40
4.7.1. Overview.....................................................................................................................40
4.7.2. Navigating to the Calibration Screen .............................................................................41
4.7.3. Calibration Procedure (HGM and AGM Only).................................................................41
4.7.4. Adjusting Calibration Factor (HGM and AGM Only) ........................................................41
4.7.4. CO
2
Atmospheric Concentration ...................................................................................42
4.7.6. Programming New Gases (HGM Only)..........................................................................42
4.8. Zone Hold Mode........................................................................................................................43
4.9. The Diagnostic Screen .............................................................................................................44
4.9.1. Navigating to the Diagnostic Screen..............................................................................44
4.9.2. Diagnostic Screen Overview.........................................................................................45
SECTION 5. MAINTENANCE...........................................................................................................47
5.1. Replacement Parts Overview ...................................................................................................47
5.2. Replacement Parts and Optional Accessories............................................................................48
5.3. Troubleshooting.......................................................................................................................50
APPENDIX A. RECOMMENDED REFRIGERANT GAS ALARM SETTINGS .....................................53
APPENDIX B. RS-485 COMMUNICATIONS PROTOCOL ................................................................55
B.1. Overview.................................................................................................................................55
B.2. MODBUS RTU Protocol ...........................................................................................................55
B.3. MZ MODBUS RTU Operation ...................................................................................................55
B.3.1. Overview.....................................................................................................................55
B.3.2. Protocol Details ...........................................................................................................55
B.3.3. MZ Monitor Polling .......................................................................................................56
B.3.4. Network Topologies .....................................................................................................56
B.3.5. Key Comm Protocol Parameters ...................................................................................56
B.3.6. Summary of Registers..................................................................................................57
B.3.7. System Data Register 0x0010 (16 Dec) (R/W, 54 Bytes) ................................................58
B.3.8. Status Register 0x001 (17 Dec) (R/W, 10 Bytes)............................................................58
B.3.9. Fault Code Table .........................................................................................................59
B.3.10. Zone Data Register 0x12xx (R/W, 78 Bytes) ..................................................................59
B.3.11. Alarms and Alarm Acknowledge ...................................................................................60
B.3.12. Date Time Register 0x0015 (21 Dec) (R/W, 14 Bytes) ....................................................60
B.3.13. Sensor Data Register 0x0016h (22 Dec) (R, 82 Bytes) ...................................................61
B.3.14. Release Zone Hold Register 0x0017h (23 Dec) (W, 10 Bytes) ........................................61
B.3.15. Hold Zone Register 0x0018h (23 Dec) (W, 10 Bytes) .....................................................61
B.3.16. MZ Hold Mode .............................................................................................................61