Descriptions Of The Control Registers - Delta AH500 Manual

AH5 00 M od ul e M anua l
CR# Attribute
data is received through COM2
Number of times the sending of
37373 R/W a command through COM2 is
retried
Length of a packet which is sent
37374 R/W
through COM2
Length of a packet which is
37375 R/W expected to be received through
COM2
37376~
Contents of a packet sent
R/W
through COM2
37871

8.4.1 Descriptions of the Control Registers

CR# 7 : Triggering the reading of data through COM1
[Description]
High byte: Reading data from bit devices; Low byte: Reading data from word devices
0: Not triggering it; 1: Triggering it once; 2: Always triggering it
After 1 or 2 is written into CR#7, the reading of data through COM1 will be triggered. After 0 is
written into CR#7, the reading of data through COM1 will stop.
Not triggering it
COM1
Triggering it once
Bit
Always triggering it
CR# 8 : Triggering the writing of data through COM1
[Description]
High byte: Writing data into bit devices; Low byte: Writing data into word devices
0: Not triggering it; 1: Triggering it once; 2: Always triggering it
After 1 or 2 is written into CR#8, the writing of data through COM1 will be triggered. After 0 is written
into CR#8, the writing of data through COM1 will stop.
Please refer to the table in the description of CR#7.
CR# 17 : Triggering the reading of data through COM2
[Description]
High byte: Reading data from bit devices; Low byte: Reading data from word devices
0: Not triggering it; 1: Triggering it once; 2: Always triggering it
After 1 or 2 is written into CR#17, the reading of data through COM2 will be triggered. After 0 is
written into CR#17, the reading of data through COM2 will stop.
Please refer to the table in the description of CR#7.
CR# 18 : Triggering the writing of data through COM2
[Description]
High byte: Bit; Low byte: Word
0: Not triggering it; 1: Triggering it once; 2: Always triggering it
Please refer to the table in the description of CR#7.
8 - 1 2
Register name
Not triggering it
16#0000
16#0100
16#0200
Description
1~65535 ms
0~255
Length of a packet which is sent
Length of a packet which is expected to be
received
Contents of a packet which is sent
COM1 Word
Triggering it once Always triggering it
16#0001
16#0101
16#0201
16#0002
16#0102
16#0202