vi • Table of Contents 026-1315 Rev 4
5.3. COMPLETING SETUP ....................................................................................................................... 19
6 FUNCTIONAL TESTS AND ADJUSTMENTS........................................................................... 20
6.1. INTRODUCTION ............................................................................................................................... 20
6.2. BUMP TESTING VS. ADJUSTING DETECTOR RESPONSE .................................................................. 21
6.3. BUMP TESTING ............................................................................................................................... 21
6.4. ADJUSTMENT USING CALIBRATION GAS ....................................................................................... 22
7 MODBUS COMMUNICATIONS.................................................................................................. 24
7.1. INTRODUCTION ............................................................................................................................... 24
7.2. COMMUNICATIONS SETTINGS......................................................................................................... 24
7.3. ANALOG INPUT REGISTERS ............................................................................................................ 24
7.4. ANALOG OUTPUT REGISTERS......................................................................................................... 25
7.5. INPUT STATUS FLAGS..................................................................................................................... 26
7.6. OUTPUT STATUS FLAGS ................................................................................................................. 26
8 TROUBLESHOOTING .................................................................................................................. 27
8.1. FAULT CODES................................................................................................................................. 27
8.2. DIAGNOSTIC ATTRIBUTES (P.-18) .................................................................................................. 28
8.3. RESETTING THE MRLDS-250 TO DEFAULT VALUES..................................................................... 29
8.4. OTHER SYMPTOMS ......................................................................................................................... 29
9 REPLACEMENT PARTS AND ACCESSORIES ....................................................................... 30
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