User manual - METER SRT-457
CONTENTS
1. BASIC REQUIREMENTS AND USER SAFETY........................................................................................
3
2. GENERAL CHARACTERISTICS................................................................................................................
4
3. TECHNICAL DATA......................................................................................................................................
4
4. DEVICE INSTALLATION............................................................................................................................
5
4.1. UNPACKING.......................................................................................................................................
6
4.2. ASSEMBLY........................................................................................................................................
6
4.3. CONNECTION METHOD...................................................................................................................
7
4.4. MAINTENANCE................................................................................................................................
12
5. FRONT PANEL DESCRIPTION................................................................................................................
12
6. PRINCIPLE OF OPERATION...................................................................................................................
13
6.1. MEASUREMENT MODE..................................................................................................................
13
6.2. DETECTION OF THE PEAK VALUES............................................................................................
13
6.3. CONTROL OF THE RELAY OUTPUTS..........................................................................................
14
6.3.1. One threshold mode................................................................................................................
15
6.3.2. Two thresholds mode..............................................................................................................
17
7. DEVICE PROGRAMMING.........................................................................................................................
18
7.1. PROGRAMMING MENU..................................................................................................................
18
7.2. PARAMETERS EDITION.................................................................................................................
19
7.2.1. Numeric parameters (digit change mode)...............................................................................
19
7.2.2. Numeric parameters (slide change mode)..............................................................................
19
7.2.3. Switch parameters ( LIST type).............................................................................................
19
7.3. MENU DESCRIPTION.....................................................................................................................
20
7.3.1. rEL1 menu.............................................................................................................................
20
7.3.2. bEEP menu...........................................................................................................................
22
7.3.3. inPt menu..............................................................................................................................
23
7.3.4. bri parameter.........................................................................................................................
23
7.3.5. HOLd menu...........................................................................................................................
23
7.3.6. SECu menu...........................................................................................................................
24
7.3.7. rS menu.................................................................................................................................
24
7.3.8. Edit parameter......................................................................................................................
25
7.3.9. dEFS parameter....................................................................................................................
25
7.3.10. SErv menu..........................................................................................................................
25
7.4. MENU STRUCTURE........................................................................................................................
26
8. THE MODBUS PROTOCOL HANDLING.................................................................................................
28
8.1. LIST OF REGISTERS......................................................................................................................
28
8.2. TRANSMISSION ERRORS DESCRIPTION....................................................................................
31
8.3. EXAMPLES OF QUERY/ANSWER FRAMES.................................................................................
31
9. DEFAULT AND USER'S SETTINGS LIST...............................................................................................
33
2