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Emerson OpenComms-485 - page 1
M ONITORING OpenComms - 485 Modbus Reference Guide ...
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Emerson OpenComms-485 - page 2
REV. 5 7/6/2007 Liebert Monitoring Group –Development iii Revision Level Updates: Revision Date Description 1 11/30/04 Initial Revision 2 04/10/06 Added Liebert DS Modbus Registers 3 09/15/06 Updated DS Registers with additional BMS Fan Control data 4 12/06/06 Update S300/ S600 register map 5 7/6/2007 Document Holding/Inpu t Register, Status and ...
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Emerson OpenComms-485 - page 3
REV. 5 7/6/2007 Liebert Monitoring Group –Development iv TABLE OF CONTENTS Modbus Communications .................................................. 4 Liebert Nfinity ...................................................................... 4 Liebert Nx ............................................................................. 4 Liebert PowerSure ...
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Emerson OpenComms-485 - page 4
REV. 5 7/6/2007 Liebert Monitoring Group –Development 1 Modbus Communications Connectivity to OpenComms-485 using Modbus This design specification describes t he Modbus communications protocol as supported by the OC-485 interface card. It includes information on how to pass information to and from the OC-485 card vi a Modbus. It is also intended ...
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Emerson OpenComms-485 - page 5
REV. 5 7/6/2007 Liebert Monitoring Group –Development 2 Modbus Packet Format Each Modbus packet consists of the following fields: • Device Address • Function Code • Data Field(s) • Error Check Field Device Address: The address field immediately follows the beginning of the frame and consists of 8-bits (RTU). This bit indicates t he user a ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 3 16 Write multiple Registers Write values into a block of contiguous registers (1 to 120) Data Field(s): The data field varies in length depending on whether the message is a request or a response to a packet. This field typically contains information required by the slave device to perform t ...
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Emerson OpenComms-485 - page 7
REV. 5 7/6/2007 Liebert Monitoring Group –Development 4 Liebert Nfinity Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes/ Units Automatic Battery Test Enabled 10003 3 1 1 Battery Charger On 10044 1 1 Inverter Ready 10047 1 1 Power Factor Correction State 10050 1 1 Load On Inverter 10073 1 1 Bypass Active 10074 1 1 Replace Batt ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 5 UPS Power Not Redundant 10296 1 1 Power Module Failure 10298 1 1 Battery Module Failure 10299 1 1 Power Module Warning 10300 1 1 Battery Module Warning 10301 1 1 Data Point Input Register Holding Register # of Reg. Scale Notes/ Units Number Of Input Lines 30004 40004 1 1 Bits 12 - 15 Number ...
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Emerson OpenComms-485 - page 9
REV. 5 7/6/2007 Liebert Monitoring Group –Development 6 Battery Charge Percentage 30116 1 1 % Battery Temperature 30117 1 1 deg C Transformer Temperatu re 30121 1 1 deg C Redundant Power Module s 30124 1 1 Active Power Module Count 30126 1 1 Battery Module Active Count 30127 1 1 Battery Test Result 30130 1 1 Input Voltage L1 30153 1 1 V Input Cur ...
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Emerson OpenComms-485 - page 10
REV. 5 7/6/2007 Liebert Monitoring Group –Development 7 Liebert Nx Supported Modbus Points Data Point Status Coil # of Reg. Scale Not es / Units Economode 10005 5 DC-To-DC Converter On 10042 Battery Charge Compensation 10046 Inverter Ready 10047 Power Factor Correction State 10050 Battery Charge Mode 10051 Load On Inverter 10073 Bypass Acti v e 1 ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 8 Over Temperature DC Bus Balancer Over Temperature 10180 Input Power Supply Fail 10186 Input BrownOut 1018 9 Bad Input Frequency 10190 Bypass Phase Rotation Error 10191 Bypass Phase Loss 10201 Bypass Input Voltage/Frequency Fault 10202 Output Fuse Blown 10217 Output Over Voltage 10219 Charger ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 9 Static Bypass Switch Inverter Communication Fail 10281 Rectifier Communication Failure 10282 Parallel Communication Fault 10283 Operation Fault 10289 Data Point Input Register Holding Register # of Reg. Scale Notes / Units Number of Input Lines 30004 40004 1 1 Bits 12 - 15 Number of Bypass L ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 10 Nominal Battery Float Voltage 30038 40038 1 V Load Bus Sync Mode 30040 40040 1 Auto Restart Delay 30051 40051 1 1 Seconds Device Low Battery Time 30053 40053 1 Minutes Input Frequency 30107 1 10 Hz Output Frequency 30108 1 10 Hz Bypass Frequency 30109 1 10 Hz Battery Charge Status 30112 1 1 ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 11 Power L1 Output Power L1 30172 2 VA Output Current Crest Factor L1 30186 1 V Input Voltage L2-L3 30201 2 W Input Voltage L2 30203 1 V Input Current L2 30204 1 A Input Power Factor L2 3020 5 1 100 Bypass Voltage L2 30209 1 V Output Voltage L2 30213 1 V Output Current L2 30214 1 A Output Load ...
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Emerson OpenComms-485 - page 15
REV. 5 7/6/2007 Liebert Monitoring Group –Development 12 Liebert PowerSure Interactive Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes /Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 10047 1 1 Load Circuit 1 State 10057 1 1 Load Circuit 2 ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 13 Input Power Supply Fail 10186 1 1 Input Over Voltage 10187 1 1 Input Under Voltage 1018 8 1 1 Bad Input Frequency 10190 1 1 Output Under Voltage 10218 1 1 Output Over Voltage 10219 1 1 Data Point Input Register Holding Register # of Reg. Scale Notes /Units Number Of Input Lines 30004 40004 ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 14 Output Voltage L1 30163 1 1 V Output Current L1 3016 4 1 1 A Input Maximum Voltage L1 30180 1 1 V Input Minimum Voltage L1 30181 1 1 V Output Maximum Voltage L1 30182 1 1 V Output Minimum Voltage L1 30183 1 1 V Black Out Count 30301 1 1 Brown Out Count 30302 1 1 ...
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Emerson OpenComms-485 - page 18
REV. 5 7/6/2007 Liebert Monitoring Group –Development 15 Liebert PowerSure Interactive 2 Supported Modbus Points Data Point Status Coil # of Reg. Scale Not es / Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 DC-To-DC Converter On 10042 1 1 Battery Charger On 10044 1 1 Load Circuit 1 State 10057 1 1 Load Circuit ...
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Emerson OpenComms-485 - page 19
REV. 5 7/6/2007 Liebert Monitoring Group –Development 16 Hardware Load On Battery 10128 1 1 Output Off Pending 10151 1 1 Low Battery - Shutdown Imminent 10152 1 1 Output Overload 10154 1 1 Over Temperature Warning 10171 1 1 Input Power Supply Fail 10186 1 1 Input Over Voltage 10187 1 1 Input Under Voltage 10188 1 1 Input BrownOut 10189 1 1 Bad In ...
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Emerson OpenComms-485 - page 20
REV. 5 7/6/2007 Liebert Monitoring Group –Development 17 Ambient Temperature Warning Point 30069 40069 1 1 deg C Over Temperature Limit Point 30072 40072 1 1 deg C Load (Apparent Power) 30102 2 1 VA Load (Real Power) 30104 2 1 W Load / Capacity 30106 1 1 % Input Frequency 30107 1 10 Hz Output Frequency 30108 1 10 Hz Battery Charge Status 30112 1 ...
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Emerson OpenComms-485 - page 21
REV. 5 7/6/2007 Liebert Monitoring Group –Development 18 Liebert GXT2 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Audible Alarm Enabled 10002 2 1 1 Automatic Battery Test Enabled 10003 3 1 1 DC-To-DC Converter On 10042 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 10047 1 1 Power Factor Correction State ...
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Emerson OpenComms-485 - page 22
REV. 5 7/6/2007 Liebert Monitoring Group –Development 19 Replace Battery 10081 1 1 Battery Under Test 10082 1 1 Shutdown Reason - Over Tempera ture 10086 1 1 Shutdown Reason - Overload 10087 1 1 Shutdown Reason - Link Over Voltage 10088 1 1 Shutdown Reason - Output Short 10089 1 1 Shutdown Reason - Line Neutral Swap 10090 1 1 Shutdown Reason - Lo ...
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Emerson OpenComms-485 - page 23
REV. 5 7/6/2007 Liebert Monitoring Group –Development 20 Voltage Data Point Input Register Holding Re gister # of Reg. Scale Notes / Units Number Of Input Lines 30004 40004 1 1 Bits 12 - 15 Number Of Bypass Lines 30004 40004 1 1 Bits 4 - 7 Number Of Output Lines 30004 40004 1 1 Bits 8 - 11 Number Of SubModules 30009 40009 1 1 Load Circuit Present ...
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Emerson OpenComms-485 - page 24
REV. 5 7/6/2007 Liebert Monitoring Group –Development 21 Battery Charge Status 30112 1 1 - 100% Charged 2 - Less than 100% Charged 3 - Charging 4 - Discharging 5 - Float Charging 6 - Equalize Charging Battery Voltage 30113 1 1 V Battery Time Remaining 30115 1 1 min Battery Charge Percentage 30116 1 1 % Ambient Tempera ture 30119 1 1 deg C Battery ...
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Emerson OpenComms-485 - page 25
REV. 5 7/6/2007 Liebert Monitoring Group –Development 22 Liebert HiNet Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units DC-To-DC Converter On 1004 2 1 1 Load On Inverter 10073 1 1 Bypass Acti v e 10074 1 1 Load On Battery 10128 1 1 Permanently On Bypass 10133 1 1 Bypass SCR Open Circuit 10149 1 1 Low Battery - Shutdown ...
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REV. 5 7/6/2007 Liebert Monitoring Group –Development 23 Input Current L2 30204 1 1 A Input Voltage L3 30253 1 1 V Input Current L3 30254 1 1 A Liebert UPS Series 600 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Battery Charger On 10044 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 1004 7 1 1 Auto Retran ...
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Emerson OpenComms-485 - page 27
REV. 5 7/6/2007 Liebert Monitoring Group –Development 24 Input Phase Rotation Error 10191 1 1 Bypass Phase Missing 10201 1 1 Bypass Input Voltage Fail 10202 1 1 Bypass Under Voltage Fail 10203 1 1 Bypass Under Voltage Warning 10204 1 1 Bypass Over Voltage Fail 10205 1 1 Bypass Over Voltage Warning 10206 1 1 Output Under Voltage 10218 1 1 Output O ...
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Emerson OpenComms-485 - page 28
REV. 5 7/6/2007 Liebert Monitoring Group –Development 25 Battery Temperature 30117 1 1 deg C PFC Temperature 30118 1 1 deg C Ambient Temperature 30119 1 1 deg C Local 1 Temperature 30118 1 1 deg C Local 2 Temperature 30119 1 1 deg C Input Voltage L1 30153 1 1 V Input Current L1 30154 1 1 A Bypass Voltage L1 30159 1 1 V Bypass Current L1 30160 1 1 ...
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Emerson OpenComms-485 - page 29
REV. 5 7/6/2007 Liebert Monitoring Group –Development 26 Liebert UPS Series 300 Supported Modbus Points Data Point Status Coil # of Reg. Scale Notes / Units Automatic Restart Enabled 10001 1 1 1 Battery Charge Compensation 10046 1 1 Inverter Ready 1004 7 1 1 Load Circuit 1 State 10057 1 1 Load Circuit 2 State 10058 1 1 Load Circuit 3 State 10059 ...
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Emerson OpenComms-485 - page 30
REV. 5 7/6/2007 Liebert Monitoring Group –Development 27 Battery Charger Fail 10234 1 1 Data Point Input Register Holding Register # of Reg. Scale Notes / Units Number Of Input Lines 30004 40004 1 1 Bits 12 - 15 Number Of Bypass Lines 30004 40004 1 1 Bits 4 - 7 Number Of Output Lines 30004 40004 1 1 Bits 8 - 11 Number Of SubModules 30009 40009 1 ...
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Emerson OpenComms-485 - page 31
REV. 5 7/6/2007 Liebert Monitoring Group –Development 28 Input Voltage L1 30153 1 1 V Input Current 30154 1 1 A Bypass Voltage L1 30159 1 1 V Bypass Current L1 30160 1 1 A Output Voltage L1 30163 1 1 V Output Current L1 30164 1 1 A Input Voltage L2 30203 1 1 V Input Current L2 30204 1 1 A Bypass Voltage L2 30209 1 1 V Bypass Current L2 30210 1 1 ...
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Emerson OpenComms-485 - page 32
REV. 5 7/6/2007 Liebert Monitoring Group –Development 29 Liebert DS Data points Mapped to Input Status and Coils Reference Document: ST100I&C PA Parameters and Events, Ver sion 18. 0 Data Description Status Coil# # bit - Notes iCOM Reference Sleep on Monday 10001 1 1 U603 Sleep on Tuesday 10002 2 1 U603 Sleep on Wednesday 10003 3 1 U603 Sleep ...
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Emerson OpenComms-485 - page 33
REV. 5 7/6/2007 Liebert Monitoring Group –Development 30 Humidification On 10030 - 1 HumSym Dehumidification On 10031 - 1 DehumS y m Audible Alarm On 10032 - 1 HornSym Reserved 10033 - 1 087 MAIN FAN OVERLOAD 10034 - 1 006 LOSS OF AIRFLOW 10035 - 1 007 LOSS OF FLOW 10036 - 1 107 COMP 1 HIGH PRESSURE 10037 - 1 001 COMP 1 LOW PRESSURE 10038 - 1 002 ...
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Emerson OpenComms-485 - page 34
REV. 5 7/6/2007 Liebert Monitoring Group –Development 31 SENSOR A FAILURE 10079 - 1 032 UNIT HRS EXCEEDED 10080 - 1 026 COMP 1 HRS EXCEEDED 10081 - 1 027 COMP 2 HRS EXCEEDED 10082 - 1 060 FC HRS EXCEEDED 10083 - 1 089 EL HEAT1 HRS EXCEEDED 10084 - 1 111 EL HEAT2 HRS EXCEEDED 10085 - 1 112 EL HEAT3 HRS EXCEEDED 10086 - 1 113 HW/HG HRS EXCEEDED 100 ...
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Emerson OpenComms-485 - page 35
REV. 5 7/6/2007 Liebert Monitoring Group –Development 32 Data Points Mapped to Input and Holding Registers (A value read from an input register is the real-time data value. A value read fr om a holding register is the value last set to this modbus server by a user.) Reference Document: ST100I&C PA Parameter s and Events, Ver sion 18.0 Data De ...
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Emerson OpenComms-485 - page 36
REV. 5 7/6/2007 Liebert Monitoring Group –Development 33 Hour:Minute Sleep Interval 2 Start Time Hour:Minute 30042 40042 1 MSB:Hr U607 (FROM) Sleep Interval 2 End Time Hour:Minute 30043 40043 1 MSB:Hr U607 (TO) Timer Dead Band 30044 40044 1 X10 C° U611 Manual VSD Timer/Counter[6] 30045 40045 1 High Temperatur e 30050 40050 1 X10 C° U203 Low Tem ...
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Emerson OpenComms-485 - page 37
REV. 5 7/6/2007 Liebert Monitoring Group –Development 34 Events/Alarm EventCount Summary Alarm Status [8] 30102 - - - EnvState. AlarmState Fan Ramp 30103 - 1 % EnvState. FanRamp Cooling Ramp 30104 - 1 % EnvState. CoolRamp Free Cooling Ramp 30105 - 1 % EnvState. FCRamp Heating Ramp 30106 - 1 % EnvState. HeatRamp Humidification Ramp 30107 - 1 % Env ...
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Emerson OpenComms-485 - page 38
REV. 5 7/6/2007 Liebert Monitoring Group –Development 35 Free cooling run hours 30146 - 1 Hour S505 Electrical Heaters #1 run hours 30147 - 1 Hour S507 Electrical Heaters #2 run hours 30148 - 1 Hour S508 Electrical Heaters #3 run hours 30149 - 1 Hour S509 Hot Water / Hot Gas run hours 30150 - 1 Hour S506 Daily High Temperatur e 30151 - x10 C° S3 ...
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Emerson OpenComms-485 - page 39
M ONITORING OpenComms - 485 Modbus Reference Guide T HE C OMPANY B EHIND T HE P RODUCTS With over a million installations around the globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems for sensitive electronics. While every precaution ...
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