Z204998-0M
PAGE 11
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07121
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TM
e30
INSTALLATIoN GUIDe
troubleshootIng
Problem
Solution
Product is not communicating over Modbus daisy chain
•
Check the unit Modbus address to ensure that each device on the daisy chain has a unique address.
•
Check Parity.
•
Check the communications wiring.
•
Check that the daisy chain is properly terminated.
RX LED is solid
•
Check for reversed polarity on Modbus comms.
•
Check for sufficient biasing on the Modbus bus. Modbus physical specification calls for 450-650 Ω biasing. This is
usually provided by the master.
The main board has a fast flashing amber light
•
Check that the 1A and 1B CT strips are connected to the left top and left bottom ribbon cable connections; 2A and 2B
must be connected to the right top and right bottom ribbon cable connections (see illustrations in the product install).
•
Verify ribbon cable connectors are inserted in the correct orientation.
•
If cables are correct, reset main board to re-initialize product.
•
Verify serial number on strips matches serial number on main board.
The main board has a slow flashing amber light
•
One or more channels is clipping. This can be caused by a signal greater than 100 A or 277 V L-N, or by a signal with
high THD near the gain stage switching points (1.5 A and 10 A).
The main board has a flashing green light
•
Everything is wired properly and the main board has power.
The main board is a flashing or solid red light
•
Light may be red briefly while device powers up.
•
If light is red for more the 60 sec. device has encountered a diagnostic event. Contact technical support.
Power factor reading is not as expected
•
Verify voltage taps are connected in appropriate phase rotation.
•
Verify strip configuration register matches actual strip installation.
•
Verify phase rotation of breakers (firmware rev. 1.012 or higher allows for custom rotation if needed).
Current reading is not as expected, or reading is on different CT
number than expected
•
Verify strip configuration register matches actual strip installation.
•
Verify ribbon cable is fully seated and in the correct orientation.
Current is reading zero, even when small currents are still flowing
through circuit
•
The product cuts off at 50 mA, and will set the reporting register to 0 mA for currents near or below this range.
E3x Config Tool returns Modbus error on read/write
•
Verify using the latest release of E3x Config Tool as older versions may not support all features in current product
firmware. Latest version is available on our website http://www.veris.com/modbus.aspx
chIna rohs comPlIance InformatIon (efuP table)
部件名称
产品中有毒有害物质或元素的名称及含量Substances
铅 (Pb) 汞 (Hg)
镉 (Cd)
六价铬 (Cr(VI))
多溴联苯(PBB)
多溴二苯醚(PBDE)
电子线路板
X
O
O
O
O
O
O = 表示该有毒有害物质在该部件所有均质材料中的含量均在 SJ/T11363-2006 标准规定的限量要求以下.
X = 表示该有毒有害物质至少在该部件的某一均质材料中的含量超出SJ/T11363-2006标准规定的限量要求.
Z000057-0A
