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78

Expert PDU Energy 8311

© 2021 GUDE Systems GmbH

Support

5. Can you enter multiple e-mail recipients?

·

Yes. In the E-Mail configuration in the Recipient Address field, it is possible to enter
multiple e-mail addresses separated by commas. The input limit is 100 characters.

6. Why did the MIB tables change after the firmware update?

·

Since the number of possible event types was increased, the previous trap design
resulted in an excess of trap definitions: See Change in Trap Design

.

7. Importing an older firmware

·

During a firmware update, old data formats are sometimes converted to new struc-
tures. If an older firmware is newly installed, the configuration data and the energy
meters may be lost! If the device then does not run correctly, please restore the fact-
ory settings (e.g. from the Maintenance Page

).

8. Disable switching events

·

You can set the sending of syslog, emails etc. when switching ports (only concerns
Gude devices with relays) under "System" in the sensor configuration

.

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Summary of Contents for Expert PDU Energy 8311 Series

Page 1: ...Expert PDU Energy 8311 Series Manual 2021 GUDE Systems GmbH Manual Ver 1 5 0 from Firmware Ver 1 5 ...

Page 2: ...2 Expert PDU Energy 8311 2021 GUDE Systems GmbH ...

Page 3: ...ol Panel 14 2 3 Maintenance 14 2 3 1 Maintenance Page 16 2 3 2 Configuration Management 18 2 3 3 Bootloader Activation 19 3 Configuration 22 3 1 Ethernet 23 3 1 1 IP Address 23 3 1 2 IP ACL 25 3 1 3 HTTP 26 3 2 Protocols 27 3 2 1 Console 27 3 2 2 Syslog 28 3 2 3 SNMP 28 3 2 4 Radius 30 3 2 5 Modbus TCP 31 3 2 6 MQTT 32 3 3 Clock 33 3 3 1 NTP 33 3 3 2 Timer 34 3 3 3 Timer Configuration 34 3 4 Senso...

Page 4: ...4 IPv6 48 4 5 Radius 48 4 6 SNMP 49 4 6 1 Device MIB 51 4 7 SSL 53 4 8 Console 54 4 8 1 SSH 58 4 8 2 Cmd 8311 59 4 9 Modbus TCP 66 4 10 MQTT 71 4 10 1 Example HiveMQ 73 5 Support 75 5 1 Data Security 76 5 2 Contact 76 5 3 Declaration of Conformity 77 5 4 FAQ 77 79 Index ...

Page 5: ...Device Description ...

Page 6: ...roval issues it is not allowed to modify the device without our permission The device is NOT a toy It has to be used or stored out of range of children Care about packaging material Plastics has to be stored out of range of children Please recycle the packaging materials In case of further questions about installation operation or usage of the device which are not clear after reading the manual pl...

Page 7: ...traps MQTT 3 1 1 Support Modbus TCP support Radius support Generation of messages e mail syslog and SNMP traps depending on sensor measurement limits Firmware update during operation via Ethernet possible Encrypted e mails SSL STARTTLS Access protection through IP access control Low own consumption Developed and produced in Germany 1 4 Installation 1 Illuminated two line LCD display 16 x 2 2 Butto...

Page 8: ... 4 x load outputs IEC C19 max 10 A 16 x load outputs IEC C13 max 10 A Network connection 10 100 MBit s 10baseT Ethernet Power supply internal power supply 90 265V AC 15 10 Environment Operating temperature Storage temperature Humidity 0 C 50 C 20 C 70 C 0 95 non condensing Housing Aluminum Plastic Dimensions PDU 8311 1 8311 2 PDU8311 3 8311 4 PDU8311 13 8311 14 PDU8311 15 8311 16 43 5 x 4 5 x 4 5 ...

Page 9: ...r 1 1 5 Apparent power 0 4000 VA 1 1 5 Power factor 0 1 0 01 3 Energy Counter Active Energy total 9 999 999 999 kWh 0 001 1 5 Active Energy temporary 9 999 999 999 kWh 0 001 1 5 1 6 Sensor Two external sensors can be connected to the Expert PDU Energy 8311 The follow ing sensors are currently available Humidity Temperature Sensor 7102 End of Life Cable length 2m Connector RJ45 temperature range 20...

Page 10: ...maximum and 1 C typical 20 C to 80 C at 2 C maximum and 1 C typical air humidity range non condensing 0 100 3 maximum and 2 typical 0 100 3 maximum and 2 typical air pressure range full 1 hPa typical at 300 1100 hPa 0 40 C air pressure range ext 1 7 hPa typical at 300 1100 hPa 20 0 C Protection IP68 Product Name 7201 7202 Cable length Connector RJ45 RJ45 temperature range 20 C to 80 C at 2 C max i...

Page 11: ...etected after connect The sensor values are displayed at the Control Panel web page A click on the link in the Name column opens the display of the Min and Max values The values in a column can be reset using the Reset button The Reset button in the name column deletes all stored Min and Max values 9 ...

Page 12: ...Operating ...

Page 13: ... information and measured values can be dis played on the display Each time you press the button a new page appears on the LCD 228V 0 0A 0W 0 000kWh The normal energy display There voltage current and power are output in the upper line The lower line shows the energy consumed After 5 seconds of waiting time all displays return to this view 7 48 59 h m s 0 000kWh This shows the energy meter in the ...

Page 14: ... in The web page provides an overview of the energy measurement values of all phases as well as the external sensors provided that they are connected The column Residual Current is only visible on models that support this feature 2 3 Maintenance The actual device generation with IPv6 and SSL allows all maintenance functions in the web interface to be carried out on the Maintenance Page Maintenance...

Page 15: ...wser options Alternatively you can test start the browser in private mode During a firmware update old data formats are sometimes converted to new struc tures If an older firmware is newly installed the configuration data and the energy meters may be lost If the device then does not run correctly please restore the factory settings e g from the Maintenance Page Actions in Bootloader mode If the we...

Page 16: ...the item Bootloader Mode Devices only Enter the desired settings in the edit window and save them with Save Config Deactivate the boot loader mode for the changes to take effect Select again All Devices in the Search menu of GBL_Conf exe The new network configuration is now displayed Factory Reset The device can be reset to the factory default via the web interface from the Mainten ance Page or fr...

Page 17: ...ssword information even if it is encrypted or hashed Restart Device Restarts the device without changing the status of the relays Some functions such as a firmware update or changing of the IP address and HTTP settings require a restart of the device A jump to the boot loader or a restart of the device lead by no means to a change of the relay states Restore Fab Settings and Restart Device Perform...

Page 18: ... a large number of devices with an individualized configuration Also Upload and restart with CGI com mands can be done in scripting languages With use of the comment sign you can quickly hide single commands or add personal notes If you modify a configuration file manually it is not always clear which limits are allowed for parameters After uploading and restarting commands with invalid parameters...

Page 19: ...ge 0 1 2 3 3 Bootloader Activation The configuration of the device from the application GBL_Conf exe is only possible if the device is in Bootloader Mode Activation of the Bootloader Mode 1 Button 1 via push button Press and hold the button for 3 seconds until the Status LED flashes slowly If a dis play is available Press again to jump to BOOTLOADER appears Then briefly press the button again to a...

Page 20: ...n In menu Program Device activate the item Enter Firmware For devices with relays entering or exiting the bootloader mode does not change the state of the relays as long as the operating voltage is maintained Factory Reset 1 Button If the device is in bootloader mode it can always be put back to its factory default All TCP IP settings are reset in this operation If a unit is set to factory default...

Page 21: ...21 Expert PDU Energy 8311 2021 GUDE Systems GmbH Operating The status LED will blink in a fast rhythm please wait until the LED blinks slowly about 5 seconds ...

Page 22: ...Configuration ...

Page 23: ...e start the program and choose All Devices in the Search menu From the list select the appropriate device The lower part of the left half of the window now shows the current network settings of the device If the IP address is displayed with the default settings 192 168 0 2 either no DHCP server is present on the network or there could be no free IP address assigned to it 3 1 Ethernet 3 1 1 IP Addr...

Page 24: ...ement communicates with the router to make global IPv6 addresses available Use DHCP v6 Requests from an existing DHCPv6 server addresses of the configured DNS server Use manual IPv6 address settings Activates the entry of manual IPv6 addresses IPv6 status Displays the IPv6 addresses over which the device can be accessed and additionally DNS and router addresses For IP changes a firmware reset is r...

Page 25: ...ere The IP filter represents an access control for incoming IP packets Please note that when IP access control is enabled HTTP and SNMP only work if the appropriate servers and clients are registered in the IP access control list If you choose a wrong IP ACL setting and locked yourself out please activate the Bootloader Mode and use GBL_Conf exe to deactivate the IP ACL Alternatively you can reset...

Page 26: ...d TLS versions Limits the supported TLS versions Enable Ajax autorefresh If this is activated the information of the status page is auto matically updated via http request AJAX For some HTTP configuration changes a firmware reset is required This can be done in the Maintenance web page A restart of the device leads by no means to a change of the relay states Enable password protection Password acc...

Page 27: ... factory settings the password for the admin is set to admin or user for the user password If the password mask is redisplayed only four bullets are shown as a symbolic placeholder since for security reasons the device never stores the password itself but only the SHA2 256 hash If you want to change a password the complete password must always be re entered If you have forgotten your password plea...

Page 28: ...login Username and password are required Delay after 3 failed logins After 3 wrong entries of username or password the next lo gin attempt is delayed Use radius server passwords Username and password are validated by a Radius Sever Use locally stored passwords Username and password are stored locally 3 2 2 Syslog Enable Syslog Enables the usage of Syslog Messages Syslog Server If you have enabled ...

Page 29: ... RFC 1213 sysContact sysName Value of RFC 1213 sysName sysLocation Value of RFC 1213 sysLocation Enable SNMP v2 Activates SNMP v2 Because of security issues it is advisable to use only SNMP v3 and to disable SNMP v2 Accesses to SNMP v2 are always insecure Community public The community password for SNMP GET requests Community private The community password for SNMP SET requests Enable SNMP v3 Acti...

Page 30: ...the selected algorithms If the Authentication or Privacy algorithms are changed the passwords must be re entered in the configuration dialog SHA 384 and SHA512 are calculated purely in software If SHA 512 is set on the configuration page the time for the key generation may take once up to approx 45 seconds Send SNMP traps Here you can specify whether and in what format the device should send SNMP ...

Page 31: ...ication request is repeated after a timeout Use Backup Server Activates a Radius Backup server Backup Server Name or IP address of the Radius Backup server Shared secret Radius Shared Secret For compatibility reasons only use ASCII char acters Timeout How long in seconds will be waited for a response from an Authentication Request Retries How often an authentication request is repeated after a tim...

Page 32: ... or IP address of the MQTT broker TLS Turns on TLS encryption Mode TCP port The TCP IP port number of the broker Username The MQTT username password The password for the username Client ID The MQTT client ID The client IDs of a user must be different If two clients of a user have the same name the connection of one client is normally terminated Quality of Service QoS Sets the QoS value 0 or 1 of t...

Page 33: ...strings mac and host symbolize the MAC address or the hostname of the device Permit CLI commands Enables the execution of console commands Publish device data summary interval Time interval in which messages with the global status of the device are sent MQTT Logs Outputs individual log messages about the connection setup MQTT Broker Status Time information about connection duration the last publis...

Page 34: ...bled a manual time will be overwritten at the next NTP synchronization 3 3 2 Timer Enable Timer nables or disables all timers globally Syslog verbosity level Sets the verbosity level for timer syslog output New Rule simple Timer Shows a dialog for a simple timer rule New Rule advanced Timer Brings up the dialog for advanced timer settings 3 3 3 Timer Configuration In the timer configuration you ha...

Page 35: ...ays of the week the rule is active In this example the period 9 00 to 17 00 is changed to 9 30 to 11 00 compared to the default input mask Also this rule should not be applied on Saturday and Sunday The rule we have now says that every day except Saturday and Sunday port 1 will be switched on at 9 30 and switched off after 1 5 hours Click ing on Save saves this rule We have now created 2 rules one...

Page 36: ...ing rule can be removed with the Delete button If a rule is deleted the following rules move up The numbering of the following rules also changes by one This also applies to the index in the console commands A simple timer is enabled directly a new complex timer has to be enabled trigger manually You can set a probability and a jitter for the timer rules Here the rule is ex ecuted with 100 probabi...

Page 37: ...he web page as long as the batch mode is running The Action PortSwitch function is only available for devices with switchable ports Extending a rule For demonstration purposes here is an extension to the simple timer from the previ ous example The action is now started not only at 9 30 but also at 17 30 There are other changes The timer is only active between October and December also the action d...

Page 38: ... mouse click For this rule on the Options tab the time period is limited to the range between 5 10 2021 and 5 4 2022 In this example the timer rule is only executed with a probab ility Random Trigger Probability of 90 In this example port 1 and port 5 are enabled and disabled after 90 minutes by batch mode A popup on the mouse pointer shows the port number of the field Console Commands ...

Page 39: ...ected if the option Perform CLI Cmd is activated in Options Example Switching a Port on a Date If you want to switch on a timer on a certain date at a certain time and switch it off at a later time you cannot do it directly with a simple timer Therefore it can be useful to create the timer as a simple timer first and then customize it in the advanced dialog Switch port 3 on every day at 9 25 and o...

Page 40: ...g for a shutter control In the classic example of a shutter con trol you do not always want to raise and lower the shutters at the same time in order to confuse potential burglars The jitter of 1800 seconds means that the action is ex ecuted randomly in a period between 30 minutes before and 30 minutes after the pro grammed time The probability Random Trigger Probability of execution here is 100 F...

Page 41: ... what Maximum Min imum temperature or humidity measurements limits the alerts are send via SNMP traps syslog or e mail Hysteresis This describes the margin of when an event is generated after the meas ured value has crossed the chosen limit Message channels Enables the generation of messages on different channels With the beeper you can choose between a continuous or an intermittent tone Flash ing...

Page 42: ...er limit but in the hysteresis range 48 9 C a message is generated for underrunning the upper limit inclusive hysteresis range 3 5 E Mail Enable E Mail Activates the E Mail dispatch of messages Sender address The E Mail address of the sender Recipient address The E Mail address of the recipient Additional E Mail addresses separated by comma can be specified The input limit is 100 characters SMTP S...

Page 43: ...o the E Mail server Repeat password Enter the password again to confirm it If the password mask is redisplayed only four bullets are shown as a symbolic placeholder since for security reasons the password is never shown itself If you want to change a password the complete password must always be re entered E Mail Logs Logging of E Mail system messages 3 6 Front Panel Display Brightness The brightn...

Page 44: ...Specifications ...

Page 45: ...s or eFuses read write status of Port start configuration read write status Buzzer read write configuration of power sources EPC 8291 read write fan configuration EPC 8291 read measurement values of external sensors read measurement values of all energy sensors read NTP time and status resetting the energy meters read the status of Overvoltage Protection Modbus TCP read write status of Power Ports...

Page 46: ...nning eg syslog ng for Mi crosoft Windows systems some freeware programs are available on the market The syslog messages are sent for the following events Turning on the device Enable disable of syslog in the configuration Switching of the Ports Exceeding of the max min values of attached sensors State change of digital sensor input ports SNMP Trap Console MQTT Syslog Email Global Device started x...

Page 47: ...roblems on a connection if you send commands yourself at the same time There are then the possibilities Filter all incoming characters between and CR LF or open a second channel Telnet SSH serial and switch on the push messages there 4 3 IP ACL IP Access Control List The IP Access Control List ACL IP is a filter for incoming IP packets If the filter is active only the hosts and subnets whose IP ad...

Page 48: ...al notation of IPv4 for the last 4 bytes 1234 4ef0 19 32ff 254 0 1 36 4 5 Radius The passwords for HTTP telnet and serial console depending on the model can be stored locally and or authenticated via RADIUS The RADIUS configuration supports a primary server and a backup server If the primary server does respond the RADIUS request is sent to the backup server If the local password and RADIUS are en...

Page 49: ...ment Information Bases MIBs These substruc tures are subordinate to so called OID Object Identifiers An OID digit signifies the location of a value inside a MIB structure Alternatively each OID can be referred to with its symbol name subtree name The device s MIB table can be displayed as a text file by clicking on the link MIB table on the SNMP configuration page in the browser SNMP v1 and v2c SN...

Page 50: ...The following aspects should be considered If encryption or authentication is used then SNMP v1 and v2c should be turned off Otherwise the device could be accessed with it If only authentication is used then the new HMAC SHA 2 methods are superior to the MD5 or SHA 1 hashing algorithms Since only SHA 256 is accelerated in hard ware and SHA 384 and SHA 512 are calculated purely in software one shou...

Page 51: ...n Power Port 1 snmpset v2c mALL c private 192 168 1 232 epc822XPortState 1 integer 1 4 6 1 Device MIB Below is a table of all device specific OID s which can be accessed via SNMP In the numerical representation of the OID the prefix 1 3 6 1 4 1 28507 Gude Enterprise OID was omitted at each entry in the table to preserve space The example for a com plete OID would be 1 3 6 1 4 1 28507 62 1 1 1 1 A ...

Page 52: ...1 17 x Unsigned32 RO Forward Reactive Energy counter pdu8311ForwEnergyActiveResetta ble 62 1 5 1 2 1 18 x Unsigned32 RO Resettable Forward Active Energy counter pdu8311ForwEnergyReactiveRese ttable 62 1 5 1 2 1 19 x Unsigned32 RO Resettable Forward Reactive Energy counter pdu8311RevEnergyActive 62 1 5 1 2 1 20 x Unsigned32 RO Reverse Active Energy counter pdu8311RevEnergyReactive 62 1 5 1 2 1 21 x...

Page 53: ...figure to TLS v1 2 only Creating your own Certificates The SSL stack is supplied with a specially newly generated self signed certificate There is no function to generate the local certificate anew at the touch of a button since the required ran dom numbers in an embedded device are usually not independent enough However you can create new certificates and import them to the device The server acce...

Page 54: ...ne should make sure that firstly the server certificate and secondly the Intermediates are assembled e g cat server crt IM1 crt IM2 crt server key server pem An uploaded certificate will be preserved when a device is put back to factory de faults Performance Considerations If RSA 4096 certificates are used the first access to the web server can take 8 10 seconds because the math unit of the embedd...

Page 55: ...ete list of all possible device commands in the chapter Cmd Overview Parameter If parameters are expected for the command the parameter may be passed as nu meric or constant If e g you get the following line as help http server set http_both 0 https_only 1 http_only 2 the following instruction pairs are equivalent http server set https_only http server set 1 or http server set https_both http serv...

Page 56: ...constants are output as return values To better deal with scripting languages it may be easier to work only with numerical re turns The command vt100 numeric set ON enables that only numerical values appear Comments If you use a tool to send an entire file of commands via Telnet it is helpful if you can place comments in there Beginning with the comment character the remaining contents of a line i...

Page 57: ...e individual meas ured values are separated by commas after the label name The digit before the equal sign corresponds to the Index field in the External Sensor Table extsensor 1 0 value show Displays temperature of the sensor at Port 1 b Line Sensors linesensor all 0 1 2 3 12 show L 1 L Power Port 0 13000Wh 1 0W 2 225V 3 0A 12 998218s L 2 L Power Port 0 13000Wh 1 0W 2 223V 3 0A 12 996199s This co...

Page 58: ...sensor to at Outlet Port 2 d Displaying Port Relays port all state 1 show P1 ON P2 OFF P3 ON P4 OFF P5 OFF P6 OFF P7 OFF P8 ON The command port all state MODE0 0 MODE1 1 MODE2 2 show returns the switching state of all relays in 3 possible formats e Switching Port Relays port all state set 1 2 12 1 OK The command syntax port all state set port_list OFF 0 ON 1 sets a list of ports to ON 1 or OFF 0 4...

Page 59: ...ed clock timezone set minutes sets timezone clock timezone show shows timezone clock dst enabled set OFF 0 ON 1 enables dst clock dst enabled show shows if dst is enabled clock manual set hh mm ss yyyy mm dd sets time and date manually clock show shows actual time and date clock ntp server PRIMARY 0 BACKUP 1 set dns_name sets ntp server name clock ntp server PRIMARY 0 BACKUP 1 show shows ntp serve...

Page 60: ...sgs show shows if temporary push msgs are enabled console ssh public hash set passwd sets hash of SSH public key console ssh public hash show shows hash of SSH public key email enters cmd group email email enabled set OFF 0 ON 1 enables email on off email enabled show shows if email is enabled email sender set email_addr sets email sender address email sender show shows email sender address email ...

Page 61: ...od extsensor period show shows sensor Min Max measurement period http enters cmd group http http server set HTTP_BOTH 0 HTTPS_ONLY 1 HTTP_ONLY 22 HTTPS_REDIR 3 sets accepted connection types http server show shows accepted connection types http port set ip_port sets http port http port show shows http port http portssl set ip_port sets https port http portssl show shows https port http tls mode se...

Page 62: ...y_sensor value showshows energy sensor of given line 5 linesensor line_num ovp show show state of Overvoltage Protection linesensor line_num counter reset resets energy metering counter linesensor line_num label set name sets line meter to label linesensor line_num label show shows label of line meter linesensor line_num energy_sensor events set OFF 0 ON 1 enables events on off linesensor line_num...

Page 63: ...wd set passwd sets password mqtt broker_idx passwd hash set passwd sets hashed passwd mqtt broker_idx client set name sets client name mqtt broker_idx client show shows client name mqtt broker_idx qos set QOS0 0 QOS1 1 sets QoS level mqtt broker_idx qos show shows QoS level mqtt broker_idx keepalive set num_secs sets keep alive time mqtt broker_idx keepalive show shows keep alive time mqtt broker_...

Page 64: ...mp trap type set NONE 0 V1 1 V2 2 V3 3 sets type of SNMP traps snmp trap type show show SNMP trap type snmp trap receiver trap_num set dns_name sets address and port of SNMP trap receiver trap_num snmp trap receiver trap_num show show address and port of SNMP trap receiver trap_num syslog enters cmd group syslog syslog enabled set OFF 0 ON 1 enables syslog msgs on off syslog enabled show show if s...

Page 65: ... between cmds timer rule_num action console set cmd sets cmd string timer rule_num action console show shows cmd string timer rule_num action hash set data sets action binary form timer rule_num action hash show shows action binary form timer rule_num delete delete one timer timer delete all delete all timer vt100 enters cmd group vt100 vt100 echo set OFF 0 ON 1 sets console echo state vt100 echo ...

Page 66: ...s TCP is activated in the configuration the ports relays outputs eFuses can be switched and the following data is callable Address range overview Device Resource Start End Modbus Data Type Power Output eFuse Ports 0x000 0x3ff Coils DC Inputs 0x400 0x7ff Discrete Inputs Stop Condition active 0x800 0x800 Discrete Inputs POE active 0x801 0x801 Discrete Inputs Status Power Sources 0x1000 0x100f Discre...

Page 67: ...ls 0x01 Read Discrete Inputs 0x02 Write Single Coil 0x05 Write Multiple Coils 0x0f Read Input Registers 0x04 Read Holding Registers 0x03 Write Holding Register 0x06 Write Multiple Holding Registers 0x10 Read Device Identification 0x2B 0x0E Coils Device Resource Start End Device Function Power Output eFuse 0x000 0x3ff Coil represens Port State Discrete Inputs Device Resource Start End Function when...

Page 68: ...alues 0x100 to 0x1ff 16 bit signed external Sensors 0x400 to 0x39ff 32 bit signed Line Energy Sensors 0x3a00 to 0x81ff 32 bit signed Port Energy Sensors 0x8200 to 0x823f 16 bit signed Bank Energy Sensors 0x8240 to 0x827f 16 bit signed Power Source Energy Sensors 0x8280 to 0x82cf 16 bit signed Residual Current Monitor CPU Sensor Values Offset Sensor Field Unit 0 Vsystem 0 01 V 1 Vaux 0 01 V 2 Vmain...

Page 69: ...ne 0x0400 Line 0x120 Phase 0x60 Offset 2 Port 0x3a00 Port 0x120 Phase 0x60 Offset 2 For devices with only one phase the phase is set to zero in the formula Examples Power Active for 1st line sensor and 3rd phase 0x400 0 0x120 2 0x60 1 2 0x4C2 Voltage for 2nd line sensor and single phase device 0x400 1 0x120 2 2 0x524 Power Angle for 4th port sensor and single phase device 0x3a00 3 0x120 6 2 0x3d6c...

Page 70: ...erSrc start at zero Bank 0x8200 Bank 2 Offset Power Source 0x8240 PowerSrc 2 Offset Examples Voltage at third bank 0x8200 2 2 0 0x8204 Current at first PowerSrc 0x8240 0 2 1 0x8241 Offset Sensor Field Unit 0 Voltage 0 01 V 1 Current mA Residual Current Monitor Type B RCMB Devices with a Residual Current Monitor Type B RCMB module separately measure the RMS and DC fault current components of the in...

Page 71: ...ject ID 1 Byte 0x00 Object Length 1 Byte n2 Object Value n2 Bytes Product Id Object ID 1 Byte 0x00 Object Length 1 Byte n3 Object Value n3 Bytes Product Version 4 10 MQTT This device supports MQTT 3 1 1 to send configured messages and also to receive commands This chapter is general for all Gude devices some Gude models do not have switchable ports Default port for an unencrypted connection is por...

Page 72: ...mands A list of all commands can be found in the Console chapter Depending on the topic the com mands are accepted in different formats As default the execution of commands is not allowed but must be enabled in the MQTT configuration Permit CLI commands Format 1 Command in JSON Syntax Publish Topic de gudesystems epc 00 19 32 01 16 41 cmd Publish Message type cli cmd port 2 state set 1 id 10 Respo...

Page 73: ...e connected sensors and could look like this Topic en gudesystems epc 00 19 32 01 16 41 device telemetry Message type telemetry portstates port 1 name Power Port state 1 port 2 name Power Port state 0 port 3 name Power Port state 0 port 4 name Power Port state 0 line_in voltage 242 48 current 0 000 sensors idx 1 name 7105 data field temperature v 21 1 unit deg C field humidity v 71 9 unit field de...

Page 74: ... hivemq com and create a new cluster In the Manage Clusters section go to Access Management and add an MQTT user with name and password In the MQTT configuration of the Gude device transfer the hostname of the HiveMQ broker as well as username and password Additionally activate TLS and set the cor rect port ...

Page 75: ...Support ...

Page 76: ...2 access Enable STARTTLS or SSL in the e mail configuration Archive configuration files securely they contain sensitive information In the IP ACL enter only the devices that require access to HTTP or SNMP Use SSH if possible since Telnet is not encrypted Set login for telnet or serial console Use MQTT 3 1 1 only with TLS and password Only permit MQTT CLI commands when the broker is trustworthy Mod...

Page 77: ...into bootloader mode and search for it with GBL_Conf exe Then check the TCP IP parameters and change them if neces sary If the device is not found by GBL_Conf exe in bootloader mode you can reset the settings to factory defaults as the last option 2 What can be done if the device is no longer accessible but the buttons still re spond Entering or leaving the bootloader mode does not change the stat...

Page 78: ...vious trap design resulted in an excess of trap definitions See Change in Trap Design 7 Importing an older firmware During a firmware update old data formats are sometimes converted to new struc tures If an older firmware is newly installed the configuration data and the energy meters may be lost If the device then does not run correctly please restore the fact ory settings e g from the Maintenanc...

Page 79: ...1 E Electrical Measurement 8 E Mail 42 Ethernet connnector 7 F Factory Reset 14 FAQ 77 Firmware Upload 14 Firmware Update 16 G GBL_Conf exe 14 H HTTP 26 HTTPS 26 I Installation 7 IP ACL 25 47 IP Address 23 IPv6 48 L load Configuration 16 M Maintenance 14 messages 45 Modbus TCP 66 MQTT 32 71 N NTP 33 O Ok button 7 Operating the device directly 13 R Radius 48 Restart 16 S Security Advice 6 Select bu...

Page 80: ...80 Expert PDU Energy 8311 2021 GUDE Systems GmbH Index Timer 34 Timer Configuration 34 TLS 53 ...

Page 81: ...81 Expert PDU Energy 8311 2021 GUDE Systems GmbH Expert PDU Energy 8311 2021 GUDE Systems GmbH 11 18 2021 ...

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