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TR30-G USERS MANUAL EM-8631-G Rev.16
7.3.9 Communication volume
The communication volume when the trend screen is continuously drawn every 0.2 second is shown below.
Number of pens assigned
Communication volume
2 pens
Around 1.5 GB/day
16 pens
Around 1.9 GB/day
32 pens
Around 2.2 GB/day
7.3.10 Number of characters that can be displayed on each screen
The approximate number of characters that can be displayed on a Web screen is shown below. The number of
characters that can actually be displayed depends on the character size setting in the browser.
Item
iOS
Android
Windows
Safari
Chrome
Edge
IE
Chrome
Firefox
Group selection screen
Name 1
16
16
16
16
16
16
Name 2
16
16
16
16
16
16
Name 3
16
16
16
16
16
16
Page name
8
8
8
8
8
8
CH name
12
12
12
12
12
12
Trend screen
Page name
27
27
28
28
28
28
CH name
11
11
11
11
11
11
CH comment
15
15
15
15
13
13
Digital display
10 digits
(single
byte)
10 digits
(single
byte)
10 digits
(single
byte)
10 digits
(single
byte)
10 digits
(single
byte)
10 digits
(single
byte)
Unit
8
8
8
8
8
8
Alarm selection screen
CH name
6
6
9
9
9
9
Overview screen
CH name
6
6
6
6
6
6
CH comment
6
6
6
6
6
6
Overview
enlarged screen
CH name
16
16
16
16
16
16
CH comment
16
16
16
16
16
16
Unit
8
8
8
8
8
8
Zone name
26
26
26
26
26
26
The numbers in the table represent the number of characters (double byte).
7.3.11 FTP client
File transfer by FTP client function is executed as follows.
• Files in the format specified for the SD card are registered in the transmission queue. They are sent to the
FTP server in order of registering in the queue.
• Maximum 16 sets of data are stored in the queue. The data exceeded the max. limit is not registered and
discarded.
• When a transfer is failed, it is resent after every 1 minute.
• Failed file transfers are retried as many times until a next set of data is registered in the queue. When a next
set of data is registered in the queue while resending, discard the failed data and starts to send new data.
