Siemens SIMATIC LOGO! CMR2020 - Disruptions and Their Possible Causes

Operation
7.4 Disruptions and their possible causes
LOGO! CMR2020 / LOGO! CMR2040
132 Operating Instructions, 09/2014, C79000-G8976-C356-01
SMS command "DIAG? Response"
If the information cannot be sent with an SMS message, there is a 2nd SMS that starts with
"DIAG? Response".
Such a reply SMS message can appear as follows:
Example - the reply includes 2 SMS messages:
1. SMS
● From: DEVICE-Name
● LOGO! CMR2020 V1.0
● GSM: registered
● Attached for (ddd:hh:mm:ss): 000:00:03:36
2. SMS
● DIAG? Response
● GPRS: registered
● Attached for (ddd:hh:mm:ss): 000:00:03:36
● Network: Vodafone.de
● IP: 77.25.26.11
● Signal Quality: good (CSQ:29/-55dBm)
7.4
Disruptions and their possible causes
Disruption
Meaning
Solution
Error LED lit red
• No connection to the BM
• Wrong PIN
•
No SIM card but the mobile wireless
interface is activated
To obtain information on other possible
causes of error, it is best to check the
log events in the diagnostics buffer.
• Check the connections/run the
PING test
• Unlocking the SIM card
• Inserting the SIM card
Error LED flashes red
• Duplicate IP address • Correct the IP address
No LED display
• Power supply too weak
• The CMR is in the shut down status
• Correct the power supply according
to the Technical specifications
(Page 143)
No positioning possible
• Bad GPS reception
• Antenna not or not correctly
plugged in
• GPS reception is normally only
possible outdoors: GPS reception is
not possible in enclosed spaces.
• Check the connector