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Below is a list of the meter Firmware changes for the ZAPTRONIX Meters
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To determine the Firmware Version of the  of the meter. The startup display should 
 be programed to display Firmware Revision (on by default). 
 When the meter is powered up "VER ?.?" will be seen
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ZAP03BE 230/110V Demand TOU meter
 Ver 2.?
	Any Version less than 3.0 are sample meters and should not be used for billing 	purposes
 Ver 3.0
	1st release 
 Ver 3.1
 	Not released
 Ver 3.2
	1) Updated spurious Maximum Demand Resets if meter set to External EOB pulse 
	when the meter powers up
	2) Thermal Demand is now cleared on powerup 
	3) Thermal Demand calculations do not reset on Max Demand Reset 
	4) Thermal Demands Absolute calculation updated to calculate if meter CT reversed
	5) Counter Icons (kwh) removed from display
	6) Display CTVT ratio updated 
 Ver 3.3
	1) Minor Communications update
 Ver 3.5
	1) Added Per Phase Logging
 Ver 3.6
	1) Fixed display scroll button
 Ver 3.7
	1) Meter delay removed before next signon after break command
	2) When meter is in auto scroll, will now scroll manually
 Ver 3.8
	1) Time meter has been on register since last MDR fixed
 Ver 3.9
	1) Passwords updated for logging and LM registers
	2) Modbus Beta implemented
	3) Datalogging dump speedup by allowing binary data dump
 Ver 4.0
	1) 1st Modbus release
 Ver 4.2
	1) LM meter has operate modem on flag port (fixed baud)
	2) Fixed bug from 4.1 that stopped Ext MDR EOB pulse
 Ver 4.3
	1) Added logging for counter inputs


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ZAP03LM 230/110V Load managment,Demand, TOU meter
 Ver 3.0-3.1
	These are sample meters and should not be used for billing purposes
 Ver 3.2
	1) Load Managment relays set (on) on powerup 
	2) Updated thermal Load management relay hysteresis calcs 
	3) Load Managment relay status logging added
 Ver 3.3
	1) Minor Communications update 
 Ver 3.4
	1) Fixed LM override limit so that relays drop out within 10sec
 Ver 3.5
	1) Added Per Phase Logging
 Ver 3.6 >
	1) As Per ZAP03BE


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The Firmware of the meter can be updated. 
Please contact Zaptronix for details on Updating meter Firmware.