Insulation monitoring device for unearthed ac, ac/dc and dc systems (it systems) up to 3(n)ac, ac 400 v, dc 400 v (44 pages)
Summary of Contents for Bender ISOMETER ISO1685 Series
Page 1
Manual ISOMETER® iso1685... Insulation monitoring device for unearthed AC, AC/DC and DC power supplies (IT systems) up to AC 1000 V / DC 1500 V Software version D408 v1.0x iso1685P_D00003_01_M_XXEN / 12.2016...
Table of contents 1. Important information ..............5 3.4 Self test............11 3.4.1 Self test after connection to the supply voltage .
Page 4
Table of contents Table of contents 7. Settings ..................... 22 9. Diagrams ...................30 7.1 Setting the BMS bus adress ........22 9.1 The measurable leakage capacitance depends on the insulation resistance .
Bender devices WARNING • Extended guarantee for Bender devices, which includes an in-house repair service or replacement devices at no extra cost This signal word indicates a low level risk that can result in minor or mo-...
**Mo-Thu 7.00 a.m. - 8.00 p.m., Fr 7.00 a.m. - 13.00 p.m. 1.3 Training courses For more information on the disposal of Bender devices, refer to our homepage at www.bender-de.com -> Service & support. Bender is happy to provide training regarding the use of test equipment.
Make sure that the basic settings meet the requirements of the IT system. Part of the device documentation in addition to this manual is the enclosed "Safety in- Children and unauthorised persons must not have access to or contact structions for Bender products". with the ISOMETER®. WARNING 2.2 Work activities on electrical installations...
Safety instructions Safety instructions 2.5 Work activities on electrical installations Unspecified frequency range When connecting to an IT system with frequency components below the • Only skilled persons are permitted to carry out the work necessary to install, com- specified frequency range, the response times and response values may mission and run a device or system.
3. Function Function 3.1 Device features 3.3 Function • Insulation monitoring in extensive unearthed power supply systems up to Insulation monitoring is carried out using an active measuring pulse which is superimpo- AC 1000 V / DC 1500 V sed onto the IT system to earth via the integrated coupling. When the insulation resistance between the IT system and earth falls below the set •...
Function Function 3.3.1 Insulation monitoring If the EDS function is activated, the ISOMETER® starts with the insulation fault location as soon as the resistance value falls below the set response values R and R . The LED For insulation monitoring, a pulsating AC measuring voltage is superimposed on the IT "PGH ON"...
Function Function 3.4 Self test 3.3.4 Deactivate device When the device is deactivated, the coupling unit of the device is galvanically isolated from the system being monitored. The device does not measure the insulation resistance. 3.4.1 Self test after connection to the supply voltage The IT system is NOT being monitored! The device uncouples itself from the system to be Once connected to the supply voltage, all internal measurement functions, the compo- monitored through an internal system isolating switch.
4. Display and operating controls 4.1 Dimensions 5.2 mm iso1685 ® ISOMETER PGH ON SERVICE ALARM 1 ALARM 2 106 mm 39.8 mm 40.75 mm 55.7 mm 51 mm 368 mm 383 mm 401.5 mm iso1685P_D00003_01_M_XXEN / 12.2016...
Display and operating controls Display and operating controls 4.3 Display and operating controls 4.3.2 Operating controls The representation below shows the relative position of the operating elements. 4.3.1 Display elements Controls Function BMS termination A4…A0 SS8103 DIP switch Leakage capacitance setting (SS8103) Measurement speed setting ST6101...
5. Installation and connection Installation and connection 5.1 Installation Ensure disconnection from the IT system! Install the device using four M5 screws, also refer to the dimension diagram where the When insulation or voltage tests are to be carried out, the device must be drilling holes are illustrated.
Installation and connection Installation and connection 5.2.2 Step-by-step connection of the ISOMETER® 5.2.3 Connecting the EDS to the ISOMETER® Connect the device according to the wiring diagram. Risk of malfunctions due to excessive locating current on sensitive Proceed as follows: system parts! 1.
Installation and connection 5. 3 Connection to an AC system L1/+ L2/- L1/+ L2/- PGH ON k I kT IT E KE A1 A2 31 32 34 21 22 24 11 12 14 I2+ I2- I1+ I1- A B S to COM465 or CP700 for parameter setting iso1685P_D00003_01_M_XXEN / 12.2016...
Installation and connection 5.4 Connection example of the ISOMETER® with an insulation fault locator (EDS440-L) to a 3AC system L1/+ L2/- to the to the loads loads A1/+ A2/- EDS440 EDS440 ISOSCAN® ISOSCAN® TEST CHANNELS RESET PGH ON SERVICE ALARM SLAVE ADDRESS ∆...
Installation and connection 5.5 Connection example of the ISOMETER® with an insulation fault locator (EDS460) to an AC system L1/+ L2/- L1/+ L2/- to the to the loads loads EDS46…L MONITOR TEST SLAVE ADDRESS ALARM ERROR CODE) PGH ON RESET I2+ I2- I1+ I1- A B S k I kT IT...
6. Commissioning Commissioning 6.1 Commissioning flow chart insulation fault monitoring 6.2 Commissioning flow chart insulation fault location Install the Insulation fault Make sure that the system is locator EDS46x /49x and the System = IT system ? iso1685P not suitable appropriate CTs disconnected from any electrical source before connecting the device!
7. Settings Settings 7.1 Setting the BMS bus adress 7.3 Setting the permissible system leakage capacitance or measurement speed page 7.2 Alarm for insulation faults Before changing the settings on the DIP switch make sure that the supply The ISOMETER®s limit values for alarm 1 and alarm 2 can be set via a BMS gateway (e. g. voltage is switched off.
Settings Settings 7.4 Digital Inputs 7.4.3 Mode of the digital inputs The operating mode for the digital input can be set to the following values: The ISOMETER® provides 2 digital inputs (I1, I2) that are freely configurable. • Active high An event is carried out on the rising edge of the 7.4.1 Digital Input 1 digital input (low to high).
Settings Settings 7.5 Relays 7.6 Insulation fault location The ISOMETER® provides a total of 3 alarm relays (K1, K2, K3). The settings for K3 are preset 7.6.1 Current and cannot be adjusted. Set the maximum locating current for the insulation fault location from 1…50 mA. You The following parameters for K1 and K2 can be set via a BMS gateway (e.g.
Settings Settings 7.7 Fault memory Inactive insulation fault location (insulation measurement) There are three ways to activate or deactive the fault memory: New insulation fault • BMS gateway (z. B. COM460IP) No insulation fault Mode: auto/1 cycle • BMS bus Insulation fault location pauses Mode: manual (insulation measurement)
8. Device communication via the BMS bus Device communication via the BMS bus 8.1 RS-485 interface with BMS protocol The RS-485 interface, galvanically isolated from the device electronics, serves as a physi- 1. device … device last device cal transmission medium for the BMS protocol. When an ISOMETER® or other bus-capable devices are interconnected via the BMS bus in a network, the BMS bus must be terminat- ed at both ends with a 120 Ω...
The optimum topology for an RS-485 network is a daisy-chain connection. In this connec- This protocol is an essential part of the Bender measuring device interface (BMS bus pro- tion, device 1 is connected to device 2, device 2 to device 3, device 3 to device n etc. The tocol).
(PGH) The firmware can be updated via the BMS bus using the BMS update manager which Temperature coupling Current temperature of the coupling L1/+ can be obtained from Bender. Temperature coupling Current temperature of the coupling L2/– Temperature PGH Current temperature of the locating current injector...
Device communication via the BMS bus Device communication via the BMS bus 8.7.3 Error codes The following list contains all relevant error codes output via the BMS bus. The right-hand Components Fault Action error code column describes the relevant action to be taken in each case. Programme sequence locating current 9.74 System...
Diagrams 9.1.1 Response time for insulation measurement iso1685P p o le 500 μF) 0 μF 2 μF 10 μF 100 μF 500 μF 10,0 25,0 50,0 75,0 R / k iso1685P_D00003_01_M_XXEN / 12.2016...
Page 32
Diagrams iso1685P p o le 150 μF) 0 μF 2 μF 10 μF 100 μF 10,0 25,0 50,0 100,0 250,0 500,0 R / k iso1685P_D00003_01_M_XXEN / 12.2016...
Diagrams 9.2 Example of alarms stored in the history memory Index Minimum / Maximum Unit Descrip on Test StartTime/ AcknowledgeTime / EndTime Index of the ID of the Min. and Max. value Unit Type of the entry Message due to the Start me/ Acknowledge me / End me history memory entry...
10. Technical data Technical data 10.1 Data for iso1685P in tabular form Time response Response time t ...................................see page 31 Measuring circuit for insulation fault location (EDS) ( )* = factory setting Locating current I DC ................................≤ 50 mA Insulation coordination acc.
Technical data Technical data Connection (except system coupling) Other Connection type............................pluggable push-wire terminals Operating mode ..............................continuous operation Connection, rigid/flexible..........................0.2…2.5/ 0.2…2.5 mm Position of normal use.......................... vertical, system coupling on top Connection flexible with connector sleeve, without/with plastic sleeve..............0.25…2.5 mm PCB fixation..............................
Technical data Technical data 10.3 Standards and certifications The iso1685P was designed according to the following standards: - DIN EN 61557-8 (VDE 0413-8) - IEC 61557-8 - DIN EN 61557-9 (VDE 0413-9) - IEC 61557-9 - IEC 61326-2-4 - DIN EN 60664-1 (VDE 0110-1) 10.4 Ordering data Response Nominal...
INDEX Alarm LEDs on the top of the enclosure 16 Hazards when handling the device 7 Alarm messages 28 History memory 11 Alarm relays K1, K2, K3 10 Installation of the device 16 Bedienelemente Insulation fault location 10 DIP-Schalter 15 Insulation monitoring 10 BMS bus 26 Intended use 8...
Page 38
INDEX INDEX Self test after connection to the supply voltage 11 Automatic 11 Manual 11 Set measurement speed 22 Set permissible system leakage capacitance 28 Set system leakage capacitance 35 Setting addresses 8 Setting the maximum system leakage capacitance 22 Settings Inputs 23 Profile 25...
Need help?
Do you have a question about the ISOMETER ISO1685 Series and is the answer not in the manual?
Questions and answers