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Eaton® PDI JCOMM Enclosure
Installation and Operation Manual
p/n: P-164001107
Revision 01

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Summary of Contents for Eaton PDI JCOMM

  • Page 1 Eaton® PDI JCOMM Enclosure Installation and Operation Manual p/n: P-164001107 Revision 01...
  • Page 2 ToughRail Technology, and WaveStar are registered trademarks of Power Distribution Inc. All other trademarks are held by their respective owners. All other trademarks are property of their respective companies. ©Copyright 2023 Eaton, Raleigh, NC, USA. All rights reserved. No part of this document may be reproduced in any way without the express written approval of Eaton.
  • Page 3 Dear Customer, On behalf of everyone at Eaton, we thank you for partnering with us, and trusting us to maintain your business continuity and preventing downtime at your facility. Our suite of backup power, power distribution and power management products are designed to protect you from a host of threats including power outages, surges, lighting strikes, and enable you to monitor and control your power infrastructure.
  • Page 5 7 7 O O p p e e r r a a t t i i o o n n ............................................................2 2 9 9 Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 6: Table Of Contents

    1 1 0 0 G G l l o o s s s s a a r r y y ............................................................3 3 9 9 Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 7 BCMS Network Connections with and without a Monitor ..............25 Figure 17. Network Segmentation When a Monitor is Present ................26 Figure 18. Modbus Upstream Address Remapping with JCOMM Monitor.............. 26 Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 8 List of Figures viii Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 9 BCMS Measurements: Normal and Power-KWH Points Lists..............30 Table 8. BCMS Alarm and Warning Configuration: Normal and Power-KWH Points Lists .......... 31 Table 9. BCMS Alarms and Warnings: Normal and Power-KWH Points Lists............32 Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 10 List of Tables Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 11 Install device in an appropriate electrical enclosure per local regulations. • ESD sensitive equipment. Ground yourself, discharge any static charge and ensure that the device is effectively grounded before handling the unit. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 12 Safety Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 13 Alternatively, JCOMMs can be connected to a WaveStar BCMS Hub, which can typically monitor up to 70 BCMS devices. JCOMM BCMS uses the same BCMS software that Eaton installs in factory-built power distribution equipment and can be networked with all other Eaton BCMSs.
  • Page 14: Points List Options

    8 data bits, 1 start bit, 1 stop bit Electrical Characteristics Input current rating 2.0A @ 115 VAC Input voltage 120VAC +/- 10%, 3-phase +neutral + ground Input frequency 60Hz +/-10% Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 15 • Power must be turned off and locked out before removing the internal frame. • Removing the internal frame should only be done by a licensed electrician or service technician. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 16 One (1) set of grounding terminals • One (1) 24VDC power supply, fed from voltage source 1 • Two (2) power terminal blocks, providing 24VDC to the BCMS data acquisition boards and optional monitor Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 17 A question this manual does not answer Please call the Eaton Help Desk at: United States: 1-800-843-9433 or 1-919-870-3028 Canada: 1-800-461-9166 ext 260 All other countries: Call your local service representative Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 18 2 2 . . 8 8 W W a a r r r r a a n n t t y y To view the warranty please click on the link or copy the address to download from the Eaton website: Eaton Product Warranty https://www.eaton.com/content/dam/eaton/products/backup-power-ups-surge-it-power-distribution/backup-...
  • Page 19: Panelboard Points Lists

    Select a points list. Points lists must be specified at time of order for loading into the BCMS boards. (See paragraph 7.2 Panelboard Points Lists) 10. Plan setup options, especially warning and alarm parameters. (Review all of ) Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 20: Alarm Handling

    Modbus addresses when a JCOMM monitor or WaveStar BCMS Hub is used as a local power monitoring station. (See paragraph 5.5 Remapping Modbus Addresses with Monitors) 12. Plan for efficient polling of warnings and alarms. (See paragraph 7.3 Alarm Handling) Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 21 C C h h a a p p t t e e r r 4 4 J J C C O O M M M M I I n n s s t t a a l l l l a a t t i i o o n n JCOMM units must be installed by licensed electricians or by Eaton-authorized technicians. A Eaton-trained technicians provide on-site support for software setup and network connection for new JCOMM installations.
  • Page 22 JCOMM has 1- and 2-inch knockouts on the top, bottom, and both sides of the unit for attaching conduit. When mounting a JCOMM to the top of an RPP or PDU, use conduit and other hardware to anchor the JCOMM to the unit. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 23 Parts used in this step: Table 4. Parts for Ground and Voltage Connection Optional Eaton power/voltage cable, with inline 1A 1000V cartridge fuses, in lengths of 5, 10, 15, or 20 ft. IMPORTANT The customer must provide an approved electrical disconnecting means for Voltage Source 1 and, if used, Voltage Source 2, such as a panelboard circuit breaker or a fuse, within sight of the JCOMM in conformance to NEC standards and local codes.
  • Page 24 Power must be disconnected and locked out before installing and connecting CTs. Parts used in this step (for each main or subdistribution feed): Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 25 BCMS.) Each cable harness has five labeled connectors (ABCNG). Connect split-core CTs ABCNG to the connectors with matching labels on the cable harness for those phases being monitored. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 26 Branch circuit split-core CT ≤ 60A with 2-pin connector Cable harness for branch circuit split-core CTs: connectorized cable harness for 21 XMR14320 (60A) CTs in lengths of 5, 10, 15, or 20 ft. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 27 JCOMM a knockout so that cable harness CT connector #1 (J1) connects to the top of the panelboard and #21(J21) to the bottom. Put a U-bend in the harness to orient the harness so that it Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 28 21 CT connectors, labeled 1-21, with #1 (J1) connector at the top. Align the CT 2-pin connector as shown in Figure Connect the 2-pin connectors together until they snap in place as illustrated. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 29 CTs. BCMS automatically inverts the waveform for CTs on the right side of the panelboard to provide correct measurements. However, the appearance of the left and right sides of a panelboard will be different as shown in Figure 12 Figure Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 30 JCOMM Installation Figure 11. Clip Split-Core CT Over Circuit Wire Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 31 NOT connected through a cable harness to the connection panel, a voltage surge can be generated in the CTs that can damage electronics when all connections are completed. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 32 42 circuits distributed in two columns, 21 circuits per side. There are also column-width panelboards with all circuits in a row in a single column, numbered sequentially, 1- 42, which are addressed differently. For addressing column-width panelboards contact Eaton, see paragraph 2.7 Getting Help.
  • Page 33 2-wire Modbus can be used on JCOMM network connections when a monitor is not installed. For 2-wire Modbus loops, install jumpers connecting RX- to TX- and RX+ to TX+ on each JCOMM Modbus connector. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 34 Each BCMS points list must be assigned a Modbus address (Figure 15): • Modbus addresses are for points lists: 1 Modbus address = 1 Points List= 1 BCMS device. • Each panelboard has a separate points list. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 35 Downstream devices are only visible to the BMS through these remapped addresses. The monitor caches data from its downstream devices. It responds to BMS requests with cached data or retrieves fresh data from the downstream device. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 36 If you use SNMP as the protocol upstream from the monitor, the monitor does not remap Modbus addresses, because there is only one Modbus network segment and only one client. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 37 C C h h a a p p t t e e r r 6 6 T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g I I n n s s t t a a l l l l a a t t i i o o n n P P r r o o b b l l e e m m s s The following troubleshooting tips cover the most common installation and setup problems. If problems continue after performing the following checks, contact Eaton Service, see paragraph 2.7 Getting Help.
  • Page 38 Check that branch circuit CTs are oriented correctly with the CT’s wire oriented to the right as you face the panelboard. Incorrect CT orientation produces incorrect power factor measurements. (See Figure 10 Figure Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 39 Configuration options and warning and alarm data are held in non-volatile storage on the board. The points list documents indicate which registers can be read or written. Points list documents are available as PDFs from Eaton, see paragraph 2.7 Getting Help.
  • Page 40 PB power measurement Apparent Power kVA PB power measurement Total Power Factor phase A PB power measurement Power Factor phase A PB power measurement Power Factor phase B PB power measurement Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 41 Number seconds the warning threshold must be exceeded before a warning is issued, default = 0 Number seconds the alarm threshold must be exceeded before a warning is Alarm time delays (BC 1-42) issued, default = 0 Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 42 Over/under current both panelboards Current values are summed for both PBs and compared to specified thresholds. Over/under voltage panelboard Voltage to PB is outside specified thresholds. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 43 Quick status alarm has a bit set for each of the branch circuit alarm or warning registers: – Zero current registers – Warning registers – Alarm registers • Over/under current panelboard • Over/under current both panelboards • Over/under voltage panelboard Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 44 Operation Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 45: Startups

    E E a a t t o o n n S S e e r r v v i i c c e e C C o o n n t t r r a a c c t t s s Eaton Service contracts help to provide the added insurance that the reliability of your critical power systems is intact.
  • Page 46 Service Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 47 C C h h a a p p t t e e r r 9 9 B B i i b b l l i i o o g g r r a a p p h h y y Manuals for Related Products JCOMMs can have an optional Eaton PDI WaveStar Color Monitor or can be monitored from a Eaton PDI WaveStar BCMS Hub.
  • Page 48 Bibliography Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 49 A large circuit from a PDU that does not feed that PDU’s panelboards, but rather runs to another unit, typically an RPP. Setup option for measuring total harmonic distortion. Eaton PDI JCOMM Enclosure Installation and Operation Manual P-164001107—Rev 01...
  • Page 50 P-16400110701 P-164001107 01...