Hoffer Flow Controls HIT-4L, User Manual

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HIT-4L HP-329
CONTENTS
1. INTRODUCTION ------------------------------------------- 1
Model Number Designation -------------------------------- 3
2. FEATURES AND SPECIFICATIONS ----------------- 7
2.1 General -------------------------------------------------- 8
2.2 Flowmeter Inputs ------------------------------------- 9
2.3 Temperature and Pressure Inputs ---------------- 9
2.4 DC Power/Loop Powered --------------------------- 9
2.5 Battery Powered Version ------------------------- 10
2.6 Analog Output --------------------------------------- 10
2.7 Pulse Output ----------------------------------------- 10
2.8 Alarm Output with Dual Set Point -------------- 10
2.9 Serial Port RS485 ----------------------------------- 10
2.10 Data Logging ----------------------------------------- 10
2.11 Physical ----------------------------------------------- 10
3. INSTALLATION ------------------------------------------ 11
3.1 4-20 mA Current Loop ---------------------------- 19
3.2 Analog Output Update Time --------------------- 20
3.3 Pulse Output ----------------------------------------- 21
3.4 Alarm Output ---------------------------------------- 22
3.5 Temperature and Pressure Inputs -------------- 23
4. CONFIGURATION --------------------------------------- 25
4.1 Local Configuration -------------------------------- 25
4.2 Default Configuration ----------------------------- 32
5. OPERATION ----------------------------------------------- 33
5.1 Front Panel ------------------------------------------- 33
5.2 Saving Total ------------------------------------------ 33
5.3 Clearing the Total ---------------------------------- 34
5.4 Displaying Logs ------------------------------------- 34
5.5 Fault Conditions ------------------------------------ 35
5.6 Battery Replacement ------------------------------- 35
6. MODBUS COMMUNICATIONS ---------------------- 37
7. HIT-4 COMMUNICATION PROGRAM ------------ 46
8. MAINTENANCE ------------------------------------------ 63