174 Configuring via the Web-Based Management System (WBM)
WAGO-I/O-SYSTEM 750
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
Table 51: WBM page "Watchdog"
Connection watchdog
Entry
Default
Description
Connection Timeout Value
(100 ms)
600
Monitoring period for TCP links.
After the completion of this period without any
subsequent data traffic, the TCP connection is
closed.
Modbus Watchdog
Entry
Default
Description
State Modbus Watchdog
Disabled
Enabled – Watchdog is activated
Disabled – Watchdog is disabled
Standard
The set coding mask (watchdog trigger mask) is
evaluated to determine whether the watchdog time is
reset.
Watchdog Type
Alternative
The watchdog time is reset by any Modbus/TCP
telegram.
Watchdog Timeout Value
(100 ms)
100
Monitoring period for Modbus links. After the
completion of this period without receiving a
Modbus telegram, the physical outputs are set to "0".
Watchdog Trigger Mask
(F 1 to F16)
0xFFFF
Coding mask for certain Modbus telegrams
(Function Code FC1 ... FC16)
Watchdog Trigger Mask
(F17 to F32)
0xFFFF
Coding mask for certain Modbus telegrams
(Function Code FC17 ... FC32)
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10.7
Clock
Specify the settings for the internal real-time clock on the "Clock" HTML page.
Here, enter the current time and date and also select standard or daylight saving
time.
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Reset the internal clock after 2.5 days without power supply!
The internal clock must be reset on initial startup or after 2.5 days without power.
If the clock is not set, the clock begins with the date 01.01.2000 around 0:00 clock
with time measurement.
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Integrate the function block for converting from winter/summer time!
Switch-over between standard and daylight saving time via Web-based
management system is required when synchronizing the controllers in your
network using a time server. The controller itself does not automatically execute a
change-over between standard and daylight-saving time. The change-over is
resolved via function block PrgDaylightSaving, which you must integrate into the
WAGO-I/O-
PRO
using the library DaylightSaving.lib. From that point, change-
over will be performed automatically, allowing all functions to be executed
properly and at the right time.
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