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SCADAPack SR2MOD03 Modem Auto-restart

Issue

Many customers are facing the issue with non-consistent modem lock-up during the communication.
Mostly it happens on the telecom provider side. In order to prevent modem lock-up, automatic restart can be programmed.

Product Line

SCADAPack E range, SR2MOD03 modem

Environment

E Configurator, Telnet

Resolution

Connect the modem to the computer via serial cable and run terminal client. Default port settings are 19200 bps, 8 bit, No Parity. In the Terminal client send AT command. If response is OK send AT+WRST=1,”024:00” and AT&W



That will ensure automatic modem restart at 00:00 every midnight.

Additional Information

AT+WRST Description

This specific command allows to reset the module after the time specified by the second parameter.

Syntax:
Command Syntax: AT+WRST =<Mode>,<Delay>
Response Syntax: +WRST: <Mode>,<Delay>,<RemainTime>
 

Note: Timer activated to reset after 1 hour and 3 minutes. Actually 1 hour and 1 minute remaining before next reset.

COMMAND POSSIBLE RESPONSES
AT+WRST=? OK
AT+WRST=0
Disable timer
OK
 
AT+WRST=1,”001:03”
Enable timer and put delay at  31 hour minutes
OK
 
AT+WRST? 
 
+WRST: 1,”001:03”,”001:01”
OK

Note: Timer activated to reset after 1 hour and 3 minutes.
Actually 1 hour and 1 minute remaining before next reset.

Defined values:

<Mode>
0: timer reset is disabled
1: timer reset is enabled

<Delay>
“000:00”- “168:59”: specify the time for reset

<RemainTime>
“000:00”- “168:59”: time before next reset
 
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