Register Structure; Status Register; Module Status (Mdsr) - Hitachi HIDIC EH-150 Applications Manual

Chapter 8
The register structures of this module are described here.
EH-ETH has Status Register (SR) and Control Register (CR). The Status register is for reading only and mainly set
communication status of each connection. The Control register is for writing only and used to control ASR
operation.
User program is able to check communication status and control communication operation by these registers .
FUN201 command is used to read status register and write control register in ladder program.
8.1

Status Register

The information (communication parameter) related with communication of this module is shown by the status
area. Figure 8.1 shows the map of the status area. The status area is structured with 12 kinds of resisters. Each
register size is 1 word (16bits).
To get the data of this status area, FUN201 command should be used in user ladder diagram program.

Register Structure

I/O No.
+0 Module status
+H1 Connection 1 error status
+H2 Connection 2 error status
+H3 Connection 3 error status
+H4 Connection 4 error status
+H5 Connection 5 error status
+H6 Connection 6 error status
+H7 Connection 1 communication status
+H8 Connection 2 communication status
+H9 Connection 3 communication status
+HA Connection 4 communication status
+HB Connection 5 communication status
+HC Connection 6 communication status
Figure 8.1 The structure of status area
Status Registers
(MDSR)
(C1ESR)
(C2ESR)
(C3ESR)
(C4ESR)
(C5ESR)
(C6ESR)
(C1CSR)
(C2CSR)
(C3CSR)
(C4CSR)
(C5CSR)
(C6CSR)
8-1
Chapter 8 Register Structure