參數(shù)資料
型號(hào)： PS2000ACQ
英文描述： A Network Communication Controller Designed to Connect Any MCU Application System To A Gateway(單片網(wǎng)絡(luò)通信控制器,用于控制MCU和網(wǎng)絡(luò)服務(wù)器之間的信息交換)
中文描述： 通信控制器的網(wǎng)絡(luò)連接任何設(shè)計(jì)單片機(jī)應(yīng)用系統(tǒng)到一個(gè)網(wǎng)關(guān)（單片網(wǎng)絡(luò)通信控制器，用于控制微控制器和網(wǎng)絡(luò)服務(wù)器之間的信息交換）
文件頁(yè)數(shù)： 49/54頁(yè)
文件大?。?/td> 594K
代理商： PS2000ACQ
PS2000A Datasheet
Doc. Number:
TECINHD001
Version 1.0
3/1/2002
P&S DataCom Corporation
45
If the super password in the data package does not match the one in the PS2000A, the
data of the device property table will be refused by the PS2000A. The package returned
from the PS2000A is shown in Table 34
Table 34
Byte
Packet content
Description
ESC (0x1b)
SOH (0x01)
ESC (0x1b)
4
SOH (0x01)
Package header
4
Server ID Code
server identification code
8
Device ID code
Device identification code
1
State Information Byte
Refer Table 21
1
WRPR (05h)
Command to write device property table
1
NULL
Always NULL
2
00h, 00h
Byte received is 0
ESC (1x1b)
ETB (0x17)
Packet trailer
4
CRC
CRC value, 2 bytes (MSB first)
In the process of loading the device property table, if the super password ($Super_PW) in
the WRPR data package is wrong, the PS2000A will terminate the loading process
immediately, and restart the operation. But the new device property table may be overlaid
by the old device property table.
In the process of loading the device property table, if the data package of another
command is received, the PS2000A will terminate the loading process immediately, and
restart the operation. But the new device property table may be overlaid by the old device
property table.
When either of the above situations occurs, both the network server and the DPTGT must
reload the device property table.
11.2.4 Loading the Device Property Table Remotely
The network server and the DPTGT load the device property table remotely as shown in
Figure 30.
In the Figure, the remote loading process is the same as the local one except for adding
the connection with the remote Modem of the PS2000A.
The network server and the DPTGT must dial in Call Mode to connect to the Modem of
the PS2000A.
Whether the PS2000A has loaded the device property table or not, the MCU application
system sets it into Modem Answer Mode. If the PS2000A has not loaded the device
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