
5
Discrete Inputs (Range 0x0100 - 0x012F, Read Function 0x02)
The Read Discrete Inputs function code is used to read 1-2000 contiguous status of Discrete Inputs in a remote device. The starting address and number of
inputs is specied by the request Protocol Data Unit. Addresses start at 0 and Discrete Inputs numbered 1-16 would address as 0-15.
Description Address Value 0 Value 1
Alarm Temperature 0x0100 OK Over Temperature
Alarm Input Bad 0x0101 OK Input Bad
Alarm Output Bad 0x0102 OK Output Bad
Alarm Overload 0x0103 OK Overload
Alarm Bypass Bad 0x0104 OK Bypass Bad
Alarm Output Off 0x0105 Output On Output Off
Alarm UPS Shutdown 0x0106 OK Shutdown
Alarm Charger Failure 0x0107 OK Charger Failure
Alarm System Off 0x0108 System On System Off
Alarm Fan Failure 0x0109 OK Fan Failure
Alarm Fuse Failure 0x010A OK Fuse Failure
Alarm General Fault 0x010B OK General Fault
Alarm Awaiting Power 0x010C OK Awaiting Power
Alarm Shutdown Pending 0x010D OK Shutdown Pending
Alarm Shutdown Imminent 0x010E OK Shutdown Imminent
Buzzer Status 0x010F Silence Alarm
Economy Mode 0x0110 No Yes
Alarm Inverter Bad 0x0111 OK Inverter Bad
Emergency Power Off 0x0112 Off On
Buzzer State 0x0113 Disable Enable
Battery Ground Fault 0x0114 OK Battery Ground Fault
Reserved 0x0115
Reserved 0x0116
Reserved 0x0117
Alarm Rectier Main Fail 0x0118 OK Rectier Main Fail
Alarm Rectier Hi DC Stop 0x0119 OK Rectier Hi DC Stop
Alarm Over Temp or Fuse Fail 0x011A OK Over Temp or Fuse Fail
Alarm Battery Low 0x011B OK Battery Low
Alarm Battery Low Stop 0x011C OK Battery Low Stop
Alarm Battery Ground Fault 0x011D OK Battery Ground Fault
Inverter On 0x011E Inverter Off Inverter ON
Alarm Inverter Overload 0x011F OK Inverter Overload
Alarm Inverter Abnormal 0x0120 OK Inverter Abnormal
Alarm Load on Reserve 0x0121 Load Not On Reserve Load on Reserve
Alarm Reserve Mains Fail 0x0122 OK Reserve Mains Fail
Alarm Reserve Freq. Abnormal 0x0123 OK Reserve Freq. Abnormal
Alarm Test In Progress 0x0124 No Test In Progress Test In Progress
Alarm Test Error 0x0125 No Test Error Test Error
UPS In Sleep Mode 0x0126 UPS Not In Sleep Mode UPS In Sleep Mode
Reserved 0x0127
Alarm Bypass Volt/Freq Bad 0x0128 OK Bypass Volt/Freq Bad
Alarm Bypass Phase Sequence Bad 0x0129 OK Bypass Phase Sequence Bad
Alarm Bypass STS Overload 0x012A OK Bypass STS Overload
Alarm Bypass STS Over 0x012B OK Bypass STS Over
Alarm Bypass STS Fault 0x012C OK Bypass STS Fault
Reserved 0x012D
Reserved 0x012E
Reserved 0x012F
Note: Your UPS may not support all fields.
Operation