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mpec SA380-IT, User Manual

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mpec SA380-IT User Manual Download Page 5

An ineffective Earth Loop circuit is unable to verify correct connection of the SA380-IT, hence insulation readings may be incorrect.

Only one insulation monitoring device may be used on a single interconnected circuit. Installation of additional monitoring devices
will cause each device to "fight" the other, resulting in incorrect readings on both devices.

Check that the factory set earth loop and insulation resistance alarm levels are correct for your application. (See section 4.4.10)

REQUIRES NEW SCREENSHOT

Summary of Contents for SA380-IT

Page 1: ...Way Pride Park Derby UK DE24 8ZS Sales sales mpec co uk General Enquiries enquiries mpec co uk MPEC Ltd 2016 All rights reserved No part of this publication may be copied without the prior consent of...

Page 2: ...stallation 3 3 Termination of Wiring 3 4 Connection of SA380 IT Supply 3 5 Connection of Earth 3 6 Connection of Monitored Circuits 3 6 1 Via Resistive Cables 3 6 2 Via HI Z Outputs 3 7 Connection of...

Page 3: ...ndertake appropriate training in the installation of electrical equipment Comply with all rules and regulations regarding safety for the given place of work 1 5 Handling Hazards The following precauti...

Page 4: ...ttempt to common together any conductors from differing monitored circuits Always check the voltage of the monitored and supply circuits Check each monitored or supply circuit does not exceed the spec...

Page 5: ...onitoring device may be used on a single interconnected circuit Installation of additional monitoring devices will cause each device to fight the other resulting in incorrect readings on both devices...

Page 6: ...bserved when the SA380 IT is deployed on UK rail infrastructure Never attempt to power the SA380 IT from a DC power source Never attempt to wire any conductors from differing monitored circuits into t...

Page 7: ...ty test before will help verify correct installation of the earth loop circuit wiring When conducting manual insulation testing on monitored circuits after commissioning the SA380 IT must be either Pr...

Page 8: ...there is only one single instance of measurement circuitry however there are five instances of the monitored circuit circuitry switches and protection resistors Simplified voltage and resistance to e...

Page 9: ...n in locating and remedying monitored circuit faults see 4 4 3 Forces the SA380 IT to make repeated measurements of a single monitored circuit Response time is increased as only the monitored circuit...

Page 10: ...current to flow through any resistance and capacitance to earth Any capacitance to earth will eventually become fully charged by the test signal once this occurs a current measurement can be taken in...

Page 11: ...this frequency See section xxxx By default this value is set to 5 minutes Once every five minutes a slow scan is performed on circuits that have repeatedly failed fast scan readings The period of tim...

Page 12: ...red circuit voltage Dynamic resistance to earth changes Transient events on monitored circuits 2 5 2 DC Circuits Only In a DC circuit the Resistance to earth of each circuit leg can cause current flow...

Page 13: ...n to the physical mass of the earth is also of sufficiently low resistance In the case where two independent wires have been run to a common earth point 2 it verifies that the wiring of the functional...

Page 14: ...rth loop path The constant current generates a voltage across the earth loop resistance It is this voltage that is acquired by the measurement circuitry Voltage is limited to 3 5 V in the open circuit...

Page 15: ...rcuit drops below the configured the SA380 IT will enter the alert threshold earth state fault E g if the alert threshold is 100 k an earth fault will be flagged as soon as resistance to earth drops b...

Page 16: ...configuration of these Enterprise asset management systems is beyond the scope of this user guide On site configuration via Apple devices such as iPhone or iPad is supported via a Lightning to Ethern...

Page 17: ...ored Circuit 1 Fault 12 Monitored Circuit 2 Fault 13 Monitored Circuit 3 Fault 14 Monitored Circuit 4 Fault 15 Monitored Circuit 5 Fault 2 10 1 Protocol Selection Two transmission protocols can be sel...

Page 18: ...by employing the following sampling rules State UM RN RB RE Status Temp Time GSM Signal Notes Factory Default Setting At start up a l l c i r c u i t s a l l c i r c u i t s a l l c i r c u i t s Sam...

Page 19: ...re that the EAMS knows that the readings are stable and representative The 60 second time out period is user configurable 2 10 3 Buffering Queue Every time an acquisition takes place if is placed in a...

Page 20: ...on of Um 4 Acquisition of Um RN and RB due to a change in RL of 5 since the last acquisition of RN and RB 5 Acquisition of Um RN and RB due to a change in RN The lower of RN RB of 5 since the last acq...

Page 21: ...rth and Loop Earth connections after installation but energising SA380 IT manual continuity test before will help verify correct installation of the earth loop circuit wiring Check all fuses links are...

Page 22: ...itoring the insulation of the supply circuit 6 Auxiliary Outputs I O to other devices and alarm circuits 7 GSM Antenna Facilitates GSM connection to an Enterprise Asset Management System 8 Ethernet Ja...

Page 23: ...arts Required M5 8 mm nut spinner Actions Install onto BR930 Q Style relay racking Feed the mounting studs through the pre drilled holes on the mounting bar and secure with the supplied spring washer...

Page 24: ...on using appropriate fixings not supplied through the pre drilled holes at the of the hinged bracket rear Feed the mounting studs of the SA380 IT through the pre drilled holes at of hinged bracket and...

Page 25: ...SV INSULATED FERULE P N 9025860000 Un shrouded Ferrules WEIDMULLER H1 5 10 UNINSULATED FERULE P N 0186500000 Crimp Tool WEIDMULLER PZ 10 SQR WIRE END FERULE CRIMPER P N 1445080000 Small flat bladed s...

Page 26: ...SA380 IT Supply The SA380 IT requires an AC supply at the BX and NX supply terminals to operate Tools Parts Required Ferrules Crimp Tool 2A minimum fuse Actions Connect the power supply to the SA380 I...

Page 27: ...tion of SA380 IT earth terminals Tools Parts Required Ferrules Crimp Tool Actions FE or Functional Earth is the master earth point Loop Earth is used for performing earth loop continuity measurement T...

Page 28: ...Via resistive cables or via the HiZ outputs 3 6 1 Via Resistive Cables This is the standard method of connection to monitored circuits The SA380 IT device is typically supplied with resistive cables o...

Page 29: ...users must use Grey 0 75 mm A1 cable supplied with the device for these terminations Tools Parts Required Ferrules Crimp Tool Resistive Cables MPEC Part No SA380 IT RC Actions when using Resistive Ca...

Page 30: ...No SA380 IT RC Connecting via the BX HiZ and NX HiZ terminals Never attempt to common together any conductors from differing monitored circuits Never attempt to wire any conductors from differing mon...

Page 31: ...plug of the SA380 IT features a test point Continuity test NX HI Z to N1 The spring contact plug of the SA380 IT features a test point 3 7 Connection of Peripheral Equipment 3 7 1 GSM The SA380 IT de...

Page 32: ...ce the antenna cable around tight bends Test The GSM connection status of the logger can be casually observed using the SA380 IT status indications See section 4 2 In depth status information can be o...

Page 33: ...be verified by checking that the LAN port Link indication is lit solid and the the activity indication is blinking The connection status of the logger can be casually observed using the SA380 IT stat...

Page 34: ...tput A 5 V DC 1 W regulated power supply is made available at the rear of the unit to power auxiliary sensors The output is short circuit and overload protected Tools Parts Required Ferrules Crimp Too...

Page 35: ...ool Action Wire the RS485 link using twisted pair cable For wiring runs over 10 meters consider using screened cable is interference maybe experienced For wiring runs over 30 meters 100 line terminati...

Page 36: ...circuits an confirm they are within specification Connect fuses and or links of circuits monitored Perform a manual earth test of all circuits monitored Apply main power to the SA380 IT Connect to th...

Page 37: ...4 4 9 Check alert levels meet your requirements The SA380 IT will not perform any measurements if the time is not set Please check that the factory set earth loop and insulation resistance alarm leve...

Page 38: ...npowered or faulty NA Device faulty if power applied and unlit Green The modem is registered and attached to the GPRS network GPRS Network unavailable or device configured to use Ethernet NA Check net...

Page 39: ...al port No data connection is configured for the serial port A data connection has been configured however the device is unable to converse Check serial connection live status and serial settings if p...

Page 40: ...apply to the Windows 10 operating system however the network settings will be the same regardless of operating system Open Networks Sharing Center Change Adapter Settings On Local Area Connection righ...

Page 41: ...Select Internet Protocol Version 4 TCP IPv4 then click Properties Use the following IP settings then click OK...

Page 42: ...irectly using a Lightning to Ethernet Cable Connect the Lightning to Ethernet Cable MPEC part no SA380 IT LE These settings assume that the SA380 IT resides on the 192 168 100 xxx sub net This is the...

Page 43: ...Open the App...

Page 44: ...If your IP is 192 168 100 115 the the web based configuration and diagnostics tool will load automatically...

Page 45: ...If the SA380 IT IP address differs from that above tap the address bar and enter IP address of the SA380 IT as recorded on the front of the device...

Page 46: ...80 IT sits outside the 192 168 100 xxx sub net then the network settings of the App need to match those of the SA380 IT device These can be altered by tapping the Cable button Follow the advice in sec...

Page 47: ...ent cable connection may make cause your the iOS device to be unable to recognize the Lightning to Ethernet cable any more Should this happen you need to restart the iOS device and start the applicati...

Page 48: ...dress to that of the local network as in Connect to a Computer directly using an Ethernet Cable 4 3 1 Once your computer is connected to the same LAN as the SA380 IT enter the static IP of the SA380 I...

Page 49: ...and VPNs is beyond the scope of this user guide 4 4 Navigating the SA380 IT User Interface 4 4 1 Main Menu The is provided by the GSM operator It is not to be confused with the displayed on the front...

Page 50: ...The SA380 IT will not perform any measurements if the time is not set...

Page 51: ...date and firmware upgrade 7 Settings Click here to access all device settings 8 About Click here to view hardware and software build information 4 4 2 Live Measurements No Name Description 1 Back Navi...

Page 52: ...it Missing Circuits Only monitored circuits configured for measurement are displayed Green Text is used to denote monitored circuits where resistance to earth is the defined above alert thresholds is...

Page 53: ...nd R N The Earth Loop circuit shows the present resistance between FE and Loop Earth terminals Technicians Mode Whilst in technicians mode only the selected circuit is measured This improves response...

Page 54: ...n 2 Connection Status A green dot indicates a live connection to the device A red dot denotes that the connection has been lost 3 Time The current time 4 Server Connection Shows if the server connecti...

Page 55: ...state for up to 4 hours During this period the SA380 IT will not attempt re connection If connection remains red for more than 10 minutes in the case of the MPEC RailDAQ protocol or 4 hours in the cas...

Page 56: ...he user through configuration It is the configured IP address that is displayed here 8 Queued Events How many data events are awaiting transmission to the server 9 Temperature Internal temperature of...

Page 57: ...A380 IT between suspe and see nded mode normal mode section 2 3 The SA380 IT will not attempt any measurement during suspended mode nor connect any monitored circuit to the measurement circuitry or ea...

Page 58: ...sent to the server The data will be permanently lost 6 Set Time From Browser The SA380 IT requires the time to be set before measurement can commence This is normally done through connection to time s...

Page 59: ...will display firmware upload progress Once upload is complete the SA380 IT will restart to apply the upgrade 4 4 7 Settings In all cases modified configuration items will be highlighted in green Writ...

Page 60: ......

Page 61: ...inputs will display as unused x 5 Auto Detect Circuits Click here to perform automated configuration of all monitored circuits 6 Advanced Opens the Advanced settings menu 4 4 8 Monitored Circuit Setti...

Page 62: ...Acquire on Change threshold for reporting voltage change to the EAMS see section 2 10 4 4 9 Auto Detect Circuits Setting the voltage to 0 will disable this circuit The monitored circuit voltage is us...

Page 63: ...ription 1 Back Navigates back to the Settings menu Auto Detect will clear device interlocks Ensure that you have exhausted all fault finding tasks prior to manually resetting any device interlock see...

Page 64: ...ge Nearest Voltage Name AC DC 12 V DC B12 DC 24 V DC B24 DC 50 V DC B50 DC 120 V DC B120 DC 110 V AC BX110 AC Acquire on Change settings are set to 5 for all circuits If multiple circuits are detected...

Page 65: ...nd cannot be changed 3 Manufacturer Id The MIMOSA manufacturer ID assigned to MPEC Technology Ltd by the MIMOSA foundation This is set at factory and cannot be changed 4 Server Name The URL or IP addr...

Page 66: ...this level the SA380 IT will report a earth fault 12 DC Leakage Alert Level If the resistance to earth of any DC monitored circuit falls below this level the SA380 IT will report a earth fault 13 Cir...

Page 67: ...to the EAMS see section 4 10 21 Post Trigger Sample s Period of time that must elapse before delayed acquisition is sent to the EAMS see section 4 10 22 Server Protocol Select the desired EAMS protoco...

Page 68: ...loyed software version and build date 3 Build Date The date the firmware was created 4 Copyright Manufacturers copyright 5 Faulting Maintenance The SA380 IT is designed to require minimal maintenance...

Page 69: ...as soon as the fault is removed The table below shows all device interlocks potential causes and remedies Genuine Hardware Fault Potential False Trigger Self Clearing Fault Finding Actions Monitored C...

Page 70: ...gory CAT IV Rated Impulse Voltage Withstand UNi 4 kV Pollution Degree 3 Rated Insulation Voltage U Nm AC 185V RMS Inter Monitored Circuit Isolation Voltage Galvanic 400 V Peak Min Inter Monitored Circ...

Page 71: ...he presence of strong radiated EM fields at 20 V m at 800 MHz to 1 GHz and 10 V m at 1 4 GHz to 2 GHz A typical mobile digital telecommunications device must be placed within 20 mm of the SA380 IT enc...

Page 72: ...orted Protocols MPEC RailDaq Efficient Data Communications Ethernet GSM RS485 TCP IP Port 7777 Port 7777 TCP IP 112 800 bps Network Rail MIMOSA Verbose Data Communications Ethernet GSM TCP IP Port 80...

Page 73: ...vice Without plug couplers or cables SA380 IT NR TBC Plug coupler and cable kit SA380 IT KT TBC SA380 IT Multiple Bus Bar Insulation Monitor Device With plug couplers and cables SA380 IT NR SA380 IT K...

Page 74: ...t Contents MPEC Part No SA380 IT KT Qty 10 Way 5 mm Pitch Connector 1 6 Way 5 mm Pitch Connector 1 6 Way 3 5 mm Pitch Connector 1 3 m Resistive Cable 8 6 m grey A1 0 75 mm signalling cable 1 SA380 IT...

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