isoPV - Bender
Contents
1. 74 BENDER The Power in Electrical Safety This document is intended as a reference guide for installing and using a BENDER isoPV ground fault detector and AGH PV voltage coupler for ungrounded solar PV arrays This document includes in Stallation setup and usage instructions For complete details including installation setup settings and troubleshooting refer to the isoPV user manual document number TGH1454en This document is intended as a supplement and not a replacement to the complete user manual Only qualified maintenance personnel shall operate or service this equipment These instructions should not be viewed as sufficient for those who are not otherwise qualified to operate or service this equipment This document is intended to provide accurate information only No responsibility is as sumed by BENDER for any consequences arising from use of this document Installation Mounting The isoPV and AGH PV are designed for DIN rail mounting Wiring General See figure 1 for basic wiring schematic Use of the AGH PV voltage coupler is required Use minimum AWG 24 maximum AWG 12 wire For more information refer to the isoPV user manual DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH e Disconnect all power before servicing Observe all local state and national codes standards and regulations 2 4 39 AC System W O N 19 AC System Remnant eb 3 39 AC System W N L1 L2 U Foon2. GH PV dimensions in inches mm e Canada 800 243 2438 905 602 9990 info bender ca com www bender org isoPV Installation Bulletin Reference Guide Front Panel Display Z BENDER isoPV ISOMETER 1T SYSTEM R 086k0 T orr H 1 INFO ESC key Displays system infor mation goes back a step in menu 2 TEST UP key Initiates self test moves up in menu 3 RESET DOWN key Resets device when latching mode is active moves down in menu 4 MENU ENTER key Opens the main menu confirms changes in menu Device Setup Tips LED ALARM 1 IIluminates when alarm 1 is active LED ALARM 2 IIluminates when alarm 2 is active LED ERROR Illuminates when a device error has occured Ensure that all menu options in red in the menu structure flow chart are set correctly Incorrect settings may lead to improper readings For alarm trip values use the factory defaults when possible Use the following guidelines when setting the measuring principle under the ISO ADVANCED gt Measure menu option e Use option AMP3 for arrays with mono or polycrystalline solar panels e Use option AMP4 for arrays using thin film solar panels Options ISO SETUP gt K1 and ISO SETUP gt K2 refer to the energized state of the output relays K1 and K2 during operation Refer to the section Wiring Contacts on the re verse side of this document for more information The menu opt
3. L3 L N F 1 l y aE AGH PV 3 i i w me Al A2 AK2 AK KE Fo te ALA 11 12 14 21 22 24 iso PV 3 T1 T2 R1 R2 F1 F2 M M A B Figure 1 isoPV and AGH PV wiring diagram External TEST terminal N O contact External RESET terminal N O contact STANDBY terminals Closing F1 F2 will stop measurements 3 Connection to three phase AC system 10 Analog outputs 0 400 uA on standard with neutral version 0 4 20 mA on B version 4 Connection to single phase AC system 11 RS 485 interface 5 Connection to DC system 12 Alarm relay K1 SPDT contact Equipment ground connection 13 Alarm relay K2 SPDT contact 1 External supply voltage 6A fuse recom 7 mended for internal device protection p9 2 Connection to three phase AC system without neutral ISoPV Installation Bulletin Reference Guide 4 g SCO A E Se Seow G ut Wiring Multiple isoPV Devices in Arrays with a Common Bus Only one isoPV detector at a time may be online and measuring in a complete isolated system Arrays connected to a common bus which may or may not be connected simultaneously re quire special connections in order to ensure that only one device is on at a time These require ments may be accomplished in one of two ways e Option 1 Connecting each device s F1 F2 standby terminals and manually controlling the switching with control logic e Option 2 Automating the switching by connecti
4. cal Safety Menu Structure Flow Chart Figure 5 shows the structure of the menu built into the isoPV The menu is used for viewing alarms viewing the status of the system and making any necessary settings changes Use the supplied gray boxes to take note of applied settings for future reference Note that some settings do not have more than one selectable option these are special options tuned specifically for PV systems Menu or settings option Settings option essential for proper operation 1 EXIT 2 Alarm1 3 Alarm2 4 K1 A p N Memory 7 M M 7 M M Ri 2 AGH 3 Ce max 4 Measure 5 Autotest 6 Clock 7 Date 8 Test 2 Addr 3 ISONet 4 ISO Monitor 2 Password 3 Status 2 Text 8 SERVICE 200 Q 100 KQ 200 Q 100 kQ N O T N C T N C N O Flash N O T N C T N C N O Flash on off 0 20 mA 4 20 mA 28kQ 120kQ PV 2000uF AMP3 AMP4 24 no 01 00 00 dd mm yy 00 00 23 00 on off 000 999 on off English Deutsch Figure 5 isoPV menu flow chart Dimensions Dimensions in inches mm 4 4 112 5 support for screw mounting 0 18 O OWO O OO O OD QOQ QOO COCOCOCOCOC OOOO Figure 3 isoPV dimensions in inches mm Bender Inc e USA 800 356 4266 610 383 9200 info bender org 0 2 4 4 111 2 4 60 3 6 91 Terminal cover a mounting 0 22 5 5 Figure 4 A
5. cal information Document NAE1018370 10 2012 e BenderInc e Page 1 1 Side 2 2
6. ions stand for e N C Normally energized operation failsafe mode e N O Normally deenergized operation nonfailsafe mode e N C T Normally energized operation switches during self test e N O T Normally deenergized operation switches during self test Flash During alarm contact switches app every 2 seconds Analog Outputs IsoPV models feature a 0 20 mA or 4 20 mA output selectable in the main menu under ISO SETUP gt M M Under menu option ISO SETUP gt M M Ri the midpoint of the equation may be set to 28 kQ or 120 kQ When using an externally connected analog meter ensure the midpoint setting is the same as the external meter For integrating into control systems use the midpoint value appropriate for the system s requirements 0 20 mA output 20 mA xR Re R 4 20 mA output 16MAXR Re R l 4 mA Ordering Information Ordering Information Part No System Voltage iso PV 327 3 N ACO 793 V with AGH PV DC0 1100V iso PV 335 3 N ACO 793 V with AGH PV DC0 1100V Technical Data R Insulation resistance in kQ Current output in mA R Midpoint setting R Insulation resistance in kQ Current output in mA R Midpoint setting Supply Voltage DC 19 2 72V Ordering No B 9106 5132W AC 88 264 DC 77 286 V B 9106 5133W Refer to isoPV series user manual document TGH1454en or isoPV series datasheet document NAE1012370 for detailed techni
7. ng each device together via RS 485 For option 1 closing the F1 F2 terminal set puts the device into standby mode Using control logic from the tiebreaker will allow for manual control to ensure that only one device is on when the tiebreaker is closed Option 2 automates the process Complete the following steps 1 Connect each isoPV in series with each other via the A and B terminals Use RS 485 cable 2 The devices at the beginning and the end of the chain require activating the termination resistor Switch the Ron DIP switch to ON 3 Each device requires a unique communication address Under the menu option COM SETUP gt Addr set one device to address 1 Set the address for each other device sequen tially Each address must be unique 4 For each device under the menu option COM SETUP gt ISONet set this option to ON This setting automates the process of ensuring only one device is measuring at any time See the reverse side of this document for more information on menu settings Solar array 1 pam a Inverter DC 0 1100 V es senor Figure 2 Using the F1 F2 standby terminals with two isoPV devices and two arrays ona common bus Wiring Contacts Using a normally closed or normally open contact utilizes two factors wiring out of the proper terminal and setting the respective contact to normally energized or deenergized operation Refer to the char
8. t below for relay conditions The energized state of the contact may be changed by setting options ISO SETUP gt K1 and ISO SETUP gt K2 In the device s settings option N O refers to normally deenergized and option N C refers to normally energized Device Relay Conditions Relay Operation Setting Device Alarm State K1 STATE K2 STATE 11 12 CLOSED 11 14 OPEN 21 22 CLOSED Power ON normal state no alarms 21 24 OPEN Normally deenergized mode N D Non failsafe mode N O in device settings menu 11 12 CLOSED 21 22 CLOSED Power OFF Energized in the alarm state 11 14 OPEN 21 24 OPEN Relay will switch when the alarm is activated 11 12 OPEN 21 22 OPEN Normally energized mode N E Failsafe mode Power ON alarm state Power ON normal state no alarms N C in device settings menu Energized in the normal state Power OFF Relay will switch when the alarm is activated or when supply voltage to the device is lost Bender Inc e USA 800 356 4266 610 383 9200 info bender org Canada 800 243 2438 905 602 9990 info bender ca com www bender org Power ON alarm state Document NAE1018370 e 10 2012 11 14 CLOSED 11 12 OPEN 11 14 CLOSED 11 12 CLOSED 11 14 OPEN 11 12 CLOSED 11 14 OPEN Bender Inc 21 24 CLOSED 21 22 OPEN 21 24 CLOSED 21 22 CLOSED 21 24 OPEN 21 22 CLOSED 21 24 OPEN Page 1 1 Side 1 2 74 BENDER The Power in Electri
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