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CTI 2572 Installation and Operation Guide
20
Start Network Server Command Block
Offset Description Hex
Value
Decimal
Value
0 Command Error Word
0000 0
1 Command (Start Network Server)
0004 4
2 Connection Number (19291 - 19299) 4B62 19298
3 Protocol Manager Number
0023 35
4
Startup Option Bits (see description below) 0000
0
5 TCP Keep Alive Interval in Seconds (0=default = 60)
(Set to 65000 or greater to disable Keep Alive)
0000 0
6 IP Address of this Module (High 16 bits)
7 IP Address of this Module (Low 16 bits)
8 TCP / UDP Port Number 05E1 1505
9 IP Address of Default Router (High 16 bits)
10 IP Address of Default Router (Low 16 bits)
11 Max Number of TCP Connections (0=default) 0000 0
12 Subnet Mask (High 16 bits)
13 Subnet Mask (Low 16 bits)
14 Unused - reserved for future use (Set to 0)
0000 0
15 Unused - reserved for future use (Set to 0)
0000 0
Offset 0 Error Word - Set to 0 so that any previous error code is cleared.
Offset 1 Command Code - The Command for Start Network Server is 4.
Offset 2 Connection Number - You should set this to number in the range of 19291 to 19299
to prevent inadvertent conflict with any client connections you may create. The
value of 19298 is used in CTI examples.
Offset 3 Protocol Manager Number - Protocol Managers control the operation of the serial
and network ports. Protocol Manager 35 (23 hex) selects the PLC Network Server.
Offset 4 Startup Option Bits - These bits allow you to configure certain options for the PLC
server. The bits are used as follows:
Bit 1 Bit 2 Bit 3 Bits 4-16
TCP Server Disable
0 = TCP Enabled
1 = TCP Disabled
UDP Server Disable
0 = UDP Enabled
1 = UDP Disabled
Echo Server Disable
0 = Server Enabled
1 = Server Disabled
Reserved
(set to 0)