2
1.
INTRODUCTION TO MODBUS AND PRODUCT
4
1.1.
Principle of operation
4
1.2.
Basic Characteristics
4
2.
ELECTRICAL CONNECTIONS
5
3.
CABLE CHARACTERISTICS
5
4.
BUS ISOLATION AND TERMINATION RESISTORS
6
5.
PANEL INDICATOR
7
6.
MODBUS FUNCTIONS
7
6.1.
Functions supported
7
6.2.
Exception responses
8
7.
DEVICE DESCRIPTION AND CONFIGURATION
8
7.1.
General Description
8
7.2.
State Machine Diagram
9
7.3.
Address and baud rate selection
10
7.3.1.
Address setting
10
7.3.2.
Baud rate selection
10
7.4.
Broadcasting
11
7.5.
Watchdog
11
7.5.1.
Watchdog Triggering
11
7.5.2.
Watchdog SETUP
12
7.5.3.
Watchdog predefined Color/Sequence
13
8.
OPERATION MODES
14
8.1.
Basic mode
14
8.1.1.
Start Predefined Color/Sequence
14
8.1.2.
Checking current state
15
8.1.3.
Actuator Change Request
16
8.1.4.
Request ON
16
8.1.5.
Request OFF
17
8.1.6.
Changing Color
17
8.1.7.
Changing Sequence
19
8.1.8.
Changing Speed
20
8.1.9.
Sleep Time
21
8.1.10.
Checking LATCHED Alarms Register
21
8.1.11.
Checking instantaneous error Register
22
9.
BASIC MODBUS-RTU REGISTER MAP
23
10.
TROUBLESHOOTING GUIDE
28
11.
PRODUCT REVISION
28
Summary of Contents for 57434
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