Omron CS1W-ETN21 User Manual
Page 107
82
CIO Area Allocations
Section 4-1
Service Status (Ethernet Unit to CPU Unit)
FTP Status (Bit 0)
Turns ON while connected to an FTP client, and OFF while not connected.
With the FTP server function only one FTP client can be connected at a time,
so while this bit is ON no other clients can connect to the server.
The FTP status is also shown by the Ethernet Unit’s FTP indicator, as follows:
Not lit: FTP server on standby. (FTP status: OFF)
Lit:
FTP server operating. (FTP status: ON)
Accessing Memory (Sending Mail) (Bit 1)
This bit turns ON while CPU Unit memory is being accessed to create a file to
be attached using the mail send function, and it turns OFF when the file has
been created.
ON while CPU Unit memory is being accessed to store an attached file using the mail
receive function.
FTP Status
n+17
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
System Setup Format
Link Status
Accessing Memory,
Sending Mail
Accessing Memory,
Receiving Mail
Bit
Name
Status
Manipulated
by
Unit operation
Reference
0
FTP Status Flag
ON
Unit
FTP server operating. (FTP client
connected.)
Operation Manual, Con-
struction of Applica-
tions, SECTION 4
OFF
Unit
FTP server on standby. (FTP client
not connect.)
1
Accessing Memory,
Sending Mail
ON
Unit
ON while CPU Unit memory is being
accessed to create a file to be
attached using the mail send func-
tion.
Operation Manual, Con-
struction of Applica-
tions, SECTION 2
OFF
Unit
OFF when the file to be attached
has been created.
2
Accessing Memory,
Receiving Mail
ON
Unit
ON while CPU Unit memory is being
accessed to store an attached file
using the mail receive function.
Operation Manual, Con-
struction of Applica-
tions, SECTION 3
OFF
Unit
OFF when the attached file has
been stored.
3 to 7
(Not used.)
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8 to 11
System Setup For-
mat
ON
Unit
Shows the current format in the CPU
Bus Unit System Setup Area by the
ON/OFF status of a combination of
bits.
SECTION 2 Installation
and Initial Setup
OFF
Unit
12 to 13
(Not used.)
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14
Link Status
ON
Unit
ON while a link is established
between hubs.
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OFF
Unit
OFF when the link between hubs is
terminated.
15
(Not used.)
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