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USER MANUAL – RTU-LP-ST 

 
 

 

 

 

16 

 

 

 

 

4.

 

DEVICE OVERVIEW 

 

The RTU-LP-ST is an ultra low power device, the RTU is always sleeping (with the modem OFF) but when an 
event is registered the RTU can Wake-up and send data.  

It’s also possible to configure the device to send data at a time interval or wake up the board at fixed time 
leaving the modem ON for minutes (for receiving commands). 

RTU-LP-ST device can send the following type of data: 

1)

 

SMS with a Wake up Report 

2)

 

SMS with a Real Time Event 

3)

 

FTP file with a Real Time Event  

4)

 

FTP log file with the analog inputs (File 0) 

5)

 

FTP log file with events (File 1) 

 

 

 

RTU-LP-ST device can receive the following type of data: 

1)

 

SMS with a command 

2)

 

Configuration through the RS232 port 

Summary of Contents for RTU-LP

Page 1: ...of present documentation refers to products and technologies described in it Though we strive for reach perfection continually all technical data contained in this document may be modified or added du...

Page 2: ...USER MANUAL RTU LP ST 2 Date Version Changes 03 04 2017 1 00 First Revision 12 06 2017 1 01 Added info on Alarms Modified Chapter Power control for external sensors...

Page 3: ...cation Port 10 1 6 Storage units 10 1 7 Power supply 10 1 8 Regulations 11 1 9 Default Case specifications 11 2 CONNECTIONS 11 2 1 Power supply connections 11 2 2 Analog input connections 12 2 3 Auxil...

Page 4: ...8 1 Events log data buffering 28 9 MODBUS RTU PROTOCOL 28 9 1 MODBUS RTU ADDRESSES TABLE 29 10 SUPPORTED SMS COMMANDS 30 10 1 Setting the Telephone SMS Character Alphabet 31 10 2 CM Change Wake Up Win...

Page 5: ...USER MANUAL RTU LP ST 5 13 ENERGY ANALYSIS 37...

Page 6: ...ALERS DO NOT GUARANTEE THAT THE FUNCTIONS FAITHFULLY MEET THE EXPECTATIONS AND THAT LP RTU THEIR FIRMWARE AND SOFTWARE ARE FREE OF ERRORS OR FUNCTION UNINTERRUPTEDLY SENECA HAS TAKEN THE UTMOST CARE A...

Page 7: ...S mode to be sent in addition to the time necessary to establish the connection from 5 to 30 seconds and the time due to any server login attempts Check the data quantity sent via internet and SMS bef...

Page 8: ...oop powered sensors max 100 mA NR 4 digital inputs NR 2 15 bit signed voltage current programmable analog inputs NR 2 relay digital outputs NR 1 RS232 port NR4 32 bits totalizers max 1 Hz Data transmi...

Page 9: ...rcuits 500 V 1 3 Digital outputs Channels number 2 Output type Bistable Relay Reset and Set Maximum Voltage 30 Vdc Maximum Current 1 A resistive load 1 4 Analog Inputs Channels number 2 Input type Cur...

Page 10: ...er Internal EEprom 64 Kbytes for configuration 1 7 Power supply Voltage 8 30 Vdc Average Power consumption 3 7 mW Average Without GSM GPRS RS232 transmission ALL inputs OFF No Aux Power Output Standar...

Page 11: ...EN 301 489 1 ElectroMagnetic Compatibility standard for radio equipment and services EN 301 489 7 Specific EMC conditions for mobile radio equipment GSM 900 and 1800 EN 60950 Safety of information Tec...

Page 12: ...nections Voltage and current connections can be connected like in picture 2 3 Auxiliary voltage connections The device can provide up to 100mA protected to an external sensor connected to terminals an...

Page 13: ...ST 13 2 4 Serial communication RS232 ports connections The RS232 PORT is in standard DB9 format PIN 5 GND PIN 3 TX PIN 2 RX 2 5 Digital outputs connections The output relay is connected between termin...

Page 14: ...N of an external sensor and the analog acquisition for the external sensor wake up time Seneca recommends to use an external battery rechargeable for power up external sensors the power is connected t...

Page 15: ...ion speed is 1 Hz Digital Inputs have a 500V galvanic isolation between others circuits 3 SIGNAL LEDS 3 1 GSM led The GSM status led has the following meanings GSM LED MEANING OFF GSM MODEM OFF RTU NO...

Page 16: ...ta at a time interval or wake up the board at fixed time leaving the modem ON for minutes for receiving commands RTU LP ST device can send the following type of data 1 SMS with a Wake up Report 2 SMS...

Page 17: ...wake up can also send a SMS with a Wake up Report 5 1 WAKE UP REPORT SMS When a wake up window is set it s also possible to send from the RTU a wake up report SMS of this type RP D abcd00ef 1 gggggg...

Page 18: ...emperature xx xC Temperature in C CSQ GSM Field Medium Filed maximum Field minimum Field Field level 0 NO SIGNAL 1 LOW 2 MED 3 HIGH ddmmyyhhmm day month year hours minutes at send time RTUCODE RTU num...

Page 19: ...s possible to use a SMS and or a FTP file Caution The RTU will send real time events only when there is a change state 6 1 REAL TIME EVENTS SMS When an event is registered in RTU will switch ON the m...

Page 20: ...hreshold 1 13 TOT2 Threshold 1 14 TOT3 Threshold 1 15 TOT4 Threshold 1 16 TOT1 Threshold 2 17 TOT2 Threshold 2 18 TOT3 Threshold 2 19 TOT4 Threshold 2 20 TOT1 Reset Overflow 0000 21 TOT2 Reset Overflo...

Page 21: ...alizers values dddddddddd Totalizer 1 value eeeeeeeeeee Totalizer 2 value ffffffffff Totalizer 3 value gggggggggg Totalizer 4 value BAT Battery Voltage yy yV battery Voltage measured with modem in ON...

Page 22: ...t 31 REBOOT In1 In2 in3 in4 High Out1 Set Out2 Reset Analog 1 17 97 Analog 2 25 00 Totalizer1 0 Totalizer2 3354 Totalizer3 1144 Totalizer4 0 Battery Voltage 10 6V Temperature 22 4 C GSM Field Minimum...

Page 23: ...le is MRTU10001_2017 05 08_11 49_042B csv The FTP file content is the same of the SMS in text format For example EV 31 REBOOT D 11110010 1 1797 2 2500 T 0 3354 1144 0 BAT 10 6V TEMP 22 4C CSQ 1 1 1 04...

Page 24: ...SENT AT 12 00 COMMUNICATION TIME FOR SENDING THE LOG 1 MINUTE MODEM SWITCH OFF AT 12 01 SECOND LOG SENT AT 12 01 10minutes 12 11 TIME FOR SEND THE LOG 1 MINUTE MODEM SWITCH OFF AT 12 12 THIRD LOG SEN...

Page 25: ...values 100 So for example in the first Row the AIN1 17 97 of the full scale and the AIN2 25 00 of the full scale Note the 30s timestamp difference between two rows 7 1 Analog Inputs log data bufferin...

Page 26: ...ME FOR SEND THE LOG 1 MINUTE MODEM SWITCH OFF AT 12 23 A single file can contain a maximum of 64 Data Rows so more than one file1 report can be created The FTP file name is RTUNAMERTUCODE_YYYY MM DD_H...

Page 27: ...DIN2 Switched to logic level 1 40 06 DIN3 Switched to logic level 1 80 07 DIN4 Switched to logic level 1 100 08 AIN1 MIN 200 09 AIN2 MIN 400 10 AIN1 MAX 800 11 AIN2 MAX 1000 12 TOT1 Threshold 1 2000...

Page 28: ...n there is a new connection the RTU will continue to send data from the oldest value The first time the RTU will re connect only the not sent data will be send You must wait the second connection for...

Page 29: ...LSB Digital Input 1 value Bit 1 Digital Input 2 value Bit 2 Digital Input 3 value Bit 3 Digital Input 4 value Bit 4 Not Used Bit 5 Not Used Bit 6 Digital Output 1 value Bit 7 Digital Output 2 value B...

Page 30: ...signed 32 Bits RO Totalizer 4 value 40101 100 MACHINE_ID Unsigned 16 Bits RO Internal Code 40102 101 FW CODE Unsigned 16 Bits RO Firmware Version 41043 1042 ACTIONS Unsigned 16 Bits RW Actions Registe...

Page 31: ...ers The CM SMS message can be used for change the Wake up window parameters CM a bb bb ccccc f ddmmyyhhmm Where a Wake up window frequency 1 every day 2 every 2 days bb bb hh mm of the wake up ccccc W...

Page 32: ...ge can be used for change the telephone numbers that the RTU use for sending SMS CT aaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbb ddmmyyhhmm Where aaaaaaaaaaaaaaa is the first Telephone number without the symbo...

Page 33: ...0 512 TOTALIZER 2 RESET TO 0 1024 TOTALIZER 3 RESET TO 0 2048 TOTALIZER 4 RESET TO 0 65535 RTU RESET ddmmyyyyhhmm sending date and sending time The RTU response is AZ OK ddmmyyhhmm RTUCODE Example of...

Page 34: ...sending time The RTU response is AZ OK ddmmyyhhmm RTUCODE Example of usage AZ 0000 00 00 01 30 00 1005171102 Add 1h and 30m to actual time AZ 0000 00 00 01 30 00 1005171102 Subtract 1h and 30m to actu...

Page 35: ...2 TOT1 Threshold 1 13 TOT2 Threshold 1 14 TOT3 Threshold 1 15 TOT4 Threshold 1 16 TOT1 Threshold 2 17 TOT2 Threshold 2 18 TOT3 Threshold 2 19 TOT4 Threshold 2 20 TOT1 Reset Overflow 0000 21 TOT2 Reset...

Page 36: ...S is used for knowing the RTU state on demand ES 0 ddmmyyhhmm Where 0 constant ddmmyyyyhhmm sending date and sending time The RTU response is ES OK ddmmyyyyhhmm RTUCODE After that a SMS real time even...

Page 37: ...figuration The standard 10 8V lithium battery can supply 12500 mAh at 10 8V It s best in the calculation to use the 80 of the full battery capacity 10400 mAh The RTU Consumption with all inputs OFF an...

Page 38: ...y the total consumption is 10400 mAh 9 525mAh for day more than 1091 days about 3 years CAUTION If the GSM field is low the RTU can try up to 3 times to send a SMS or a file in FTP For the send SMS en...

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