Hitachi WJ Series User Manual page 343

Chapter 11
 If the command cannot be executed successfully, an exceptional response is returned. For
!
details, refer to "11.2.9 Exceptional Responses".
 The writing to the coil numbers 0001h to 000Fh can also be substituted in the holding register
to the register number 1F01h. As an example, the bit-structure of the holding register 1F01h is
shown below. For details, refer to "18.1.1 List of Modbus Coil Numbers".
bit Symbol
15 -
14 -
13 IN7
12 IN6
11 IN5
10 IN4
9 IN3
8 IN2
Item
-
-
Input terminal 7 function
(0:OFF/1:ON)
Input terminal 6 function
(0:OFF/1:ON)
Input terminal 5 function
(0:OFF/1:ON)
Input terminal 4 function
(0:OFF/1:ON)
Input terminal 3 function
(0:OFF/1:ON)
Input terminal 2 function
(0:OFF/1:ON)
11-2-5
RS485 Communication
bit Symbol
Input terminal 1 function
7 IN1
(0:OFF/1:ON)
6 - -
5 - -
4 RS Reset
3 EXT External fault
Rotation direction (0:
2 -
Forward/1: Reverse)
1 - RUN command (0: Stop/1: Run)
0 - -
Item