Hoffer Flow Controls HRT1, User Manual

Page: 7 / 67

HRT1 HP-313
CONTENTS
1. INTRODUCTION ------------------------------------------------ 1
Model Number Designation --------------------------------------------- 3
2. SPECIFICATIONS AND PRODUCT FEATURES------- 7
2.1 General ---------------------------------------------------------- 7
2.2 Inputs ------------------------------------------------------------ 8
2.3 DC Power/Loop Powered ------------------------------------ 8
2.4 Analog Output ------------------------------------------------- 9
2.5 Pulse Output ---------------------------------------------------- 9
2.6 Alarm 1 and Alarm 2 ----------------------------------------- 9
2.7 Physical ---------------------------------------------------------- 9
Product Features -------------------------------------------------------- 9
3. INSTALLATION----------------------------------------------- 11
3.1 4-20 mA Current Loop --------------------------------------13
3.2 Flowmeter Input ----------------------------------------------15
3.3 Pulse Output ---------------------------------------------------16
3.4 Alarm Outputs ------------------------------------------------16
3.5 Wiring Summary ---------------------------------------------18
4. CONFIGURATION-------------------------------------------- 19
4.1 Local Configuration -----------------------------------------19
4.2 Default Configuration ---------------------------------------22
5. OPERATION AND MAINTENANCE--------------------- 23
5.1 Display Parameters ------------------------------------------23
5.2 Saving Grand Total ------------------------------------------23
5.3 Clearing the Total --------------------------------------------23
5.4 System Response Time --------------------------------------24
5.5 Error Conditions ---------------------------------------------24
5.6 Battery Replacement Indication --------------------------25
6. HART COMMUNICATIONS ------------------------------- 27
6.1 Dynamic Variables -------------------------------------------27
6.2 Universal Commands ----------------------------------------28
6.3 Common-Practice Commands -----------------------------28
6.4 Device-Specific Commands --------------------------------29
6.5 Device Status --------------------------------------------------31
6.6 Additional Device Status ------------------------------------32
6.7 EDDL – Process Variables ---------------------------------35
6.8 EDDL – Device Diagnostics --------------------------------36
6.9 EDDL – Online -----------------------------------------------36
7. MAINTENANCE ----------------------------------------------- 41