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E50H2, E50H5 Installation Guide
BACnet Programming Information (cont.)
Property
Object_List
Device_Address_Binding
Database_Revsion
Analog_Value Objects
Use the Present_Value property of the Analog_Value object for all writable variables in the meter other than those used specifically for BACnet configuration, Time
Synchronization (in the Device Object), or Data Logging (in the Trend_Log objects).
Values are checked when written, and errors are returned for invalid entries. This table describes how the meter uses those variables, what values are valid, and what their
defaults are. When writing values to the Present_Value properties of Analog_Value BACnet objects, there is a delay of up to about two seconds to validate and store the new
value. An immediate read of the same property before that delay has elapsed can return the prior value (even if the new value was accepted). To read a value immediately after
writing it, check the Reliability property first. When it reports a No_Fault_Detected status, the Present_Value of the object is current.
These objects support the Description and Reliability object properties and all required Analog_Value object properties, but Present_Value is the only writable property.
#
Name
Description R/W
AV1
Config
Configuration R/W
AV2
System_Type System Type
AV3
CT_Ratio_
CT Ratio -
Primary
Primary
AV4
CT_Ratio_
CT Ratio -
Secondary
Secondary
AV5
PT_Ratio
PT Ratio
ZL0071-0F
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R/W
NV
Value Returned
R
NV
DE1,AI1,AI2,AI3,AI4,AI5,AI6,AI7,AI8,AI9,AI1
0,AI11,AI12,AI13,AI14,AI15,AI16,AI17,AI1
8,AI19,AI20,AI21,AI22,AI23,AI24,AI25,AI2
6,AI27,AI28,AI29,AI30,AI31,AI32,AI33,AI3
4,AI35,AI36,AI37,AI38,AI39,AI40,AI41,AI4
2,AI43,AI44,AI45,AI46,AI47,AI48,AI49,AI5
0,AI51,AI52,AV1,AV2,AV3,AV4,AV5,AV6,AV
7,AV8,AV9,AV10,AV11,BI1,BI2,BI3,BI4,BI5,
BI6,BI7,BI8,BI9,BI10,BI11,BI12,BI13,BI14,B
I15,TL1,TL2,TL3
R
NV
{}
R
NV
0
NV
Units
Range
n/a
n/a
R/W
NV
n/a
40, 31, 12,
11, 10
R/W
NV
Amps
5-32000
R/W
NV
1/Volts
1,3
R/W
NV
Value
0.01 - 320.0
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Other companies' trademarks are hereby acknowledged to belong to their respective owners.
BI15, TL1, TL2, and TL3 are present in the E50H5 only.
Factory
Default
Value
Always
Command Register:
returns
- Write 30078 (0x757E) to clear all energy accumulators to 0 (All).
"0" when
- Write 21211 (0x52DB) to begin new Demand Sub-Interval calculation cycle and log
read
another data value on Trend_Log objects TL1-TL3 (when the meter is in Manual "Sync-
to Comms" mode). This takes effect at the end of the next 1 second calculation cycle.
Write no more frequently than every 10 seconds. Trend_Log values are only present on
the E50H5 model.
- Write 21212 (0x52DC) to reset Max Demand values to Present Demand Values. Takes
effect at the end of the next 1 second calculation cycle. Write no more frequently than
every 10 seconds.
- Write 16498 (0x4072) to clear pulse counters to 0.
40
System_Type:
- Write 10 for Single-Phase: A + N
- Write 11 for Single-Phase: A + B
- Write 12 for Split-Phase: A + B + N
- Write 31 for 3-Phase Δ: A + B + C, no N
- Write 40 for 3-Phase Y: A + B + C + N
100
Current Transducer Size - Primary Current Range (Default is set for 100 A CTs)
1
Current Transducer Type – Secondary Interface
- Enter 1 for CTs with 1V outputs (Default)
- Enter 3 for CTs with 1/3V outputs
1
Potential Transformer Ratio - The default is 1.00 (1:1), which is no PT attached. Set this
value before setting the System Voltage (below).
Additional information
Additional information
TM
0818
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