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Do MD720-3 module support Allen Bradley

6/13/2013 10:42 AM	Rate (0)
s_vb Bronze Member Joined: 10/24/2011 Last visit: 3/9/2023 Posts: 257 Rating: (1)	Hello Everyone, I am using MD720-3 GSM module. I want to use it with Allen Bradley PLC. Does this module support Allen Bradley PLC's. I am working with Micrologix 1400. If yes then are there any other settings to do that in program or on module? Please calrify me these things. Thanks, Shailesh

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6/18/2013 7:14 PM	Rate (0)
Rated X Posts: 1547 Rating: (129)	Hi, well basically it's just a modem. So as long as your Allen Bradley does have an RS232 interface i don't see a problem. Just make sure the interface settings (baud rate and so on) match the modem settings. Other than that there will be functions for sending / receiving on the interface, which you can use to send AT commands to the MD720 and reiceive the answers. May take some time to set it up but in general yes definitly possible.
Rated X Posts: 1547 Rating: (129)
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This contribution was helpful to 1 thankful Users s_vb

6/25/2013 10:17 AM	Rate (0)
s_vb Bronze Member Joined: 10/24/2011 Last visit: 3/9/2023 Posts: 257 Rating: (1)	Hello Rated X, Thanks for the Reply. I worked out the program with the local make GSM module and it working fine. Now I will work on MD720 module. I have worked already on MD720 with S7200 (CPU 224XP CN). But I am facing one problem in my logic. When at a time two or more alarms are coming, my logic skips the messages and sends only one SMS. It skips alarms which are coming exactly at the same time. I have attached my program file. Follwing are subroutines for generating alarms in my program; SBR 0 ---- SMS_blocks (SMS blocks are called in this subroutine) SBR 10 ----PROCESS_HMI_ALARMS (Alarms bit generation) SBR 14 ----ON_OFF_BIT Please suggest me what can be done for this. Thanks, Shailesh Attachment GSM_program.zip (53 Downloads)
	Last edited by: s_vb at: 6/25/2013 10:19 AM
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7/13/2013 10:39 AM	Rate (0)
s_vb Bronze Member Joined: 10/24/2011 Last visit: 3/9/2023 Posts: 257 Rating: (1)	Hello Eveyone, Is there anyone who is having solution for above explained problem? I have tried but it isn't getting solved. It skips the messages. What can be done for it? If 4 to 5 alarms comes then it skips all only last one alarm message. Is there any need of further clarification regarding question?? Please tell me.. Thanks, Shailesh
	Last edited by: s_vb at: 7/13/2013 10:46 AM
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7/13/2013 11:30 AM	Rate (0)
s_vb Bronze Member Joined: 10/24/2011 Last visit: 3/9/2023 Posts: 257 Rating: (1)	Hello everyone, Is there any way to store the bits in stack and then fetch them one by one?? I don't have idea how to do it. Thanks, Shailesh

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