1.1.
Principle of Operation .............................................................................................................. 5
1.2.
Basic Characteristics ................................................................................................................. 5
3. CABLE CHARACTERISTICS ................................................................................................. 7
6. MODBUS FUNCTIONS ....................................................................................................... 9
6.1.
Functions supported ................................................................................................................ 9
6.2.
Exception Responses ................................................................................................................ 9
7.1.
General description ................................................................................................................ 10
7.2
Operation diagram ................................................................................................................. 10
7.3
7.3.1
Address setting ................................................................................................................... 10
7.3.2
Baud rate selection ............................................................................................................. 11
7.4
Broadcasting .......................................................................................................................... 11
OPERATION MODES ...................................................................................................... 12
8
8.1
BASIC OPTIONS ...................................................................................................................... 12
8.1.1
8.1.2
REQUEST WORD .................................................................................................................. 12
8.1.3
CHECKING STATUS .............................................................................................................. 13
8.1.4
8.1.5
DIGITAL INPUTS ................................................................................................................... 15
8.1.6
REAL TIME ALARMS ............................................................................................................. 16
8.1.7
LATCHED ALARMS ............................................................................................................... 17
8.1.8
CHECKING COUNTERS ......................................................................................................... 18
9
9.1
9.2.
9.3.
9.4.
9.5.
9.6.
PRODUCT REVISION ................................................................................................... 23
10.
© ASTRALPOOL 2016 ALL RIGHTS RESERVED. PROPRIETARY DOCUMENT
.
3