Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 297)

Publication 1758-UM002D-EN-P - October 2010
Extension Modbus Protocol for DataSite Controllers (1758-FLO) 297
Command Number 16: Read the Alarm Range of Input Parameters
Use command number 16 to read the upper and lower alarm limits and alarm
dead-band of static pressure, temperature, and differential pressure or pulse.
Parameters for command number 16
Address Data Type Attribute Description
49025 u_short RW 16
49026 u_short R Return code
49027 u_short W Meter run (0…7)
49028 u_int W Pass code for user
49030…49034 — — Reserved
49035 u_short R Whether the alarm for differential
pressure or pulse is enabled
0: Disable
1: Enable
49036 float R Upper alarm limit of differential
pressure or pulse
49038 float R Lower alarm limit of differential
pressure or pulse
49040 float R Alarm dead-band of differential
pressure or pulse
49042 u_short R Whether the alarm for static
pressure is enabled
0: Disable
1: Enable
49043 float R Upper alarm limit of static
pressure
49045 float R Lower alarm limit of static
pressure
49047 float R Alarm dead-band of static
pressure
49049 u_short R Whether the alarm for
temperature is enabled
0: Disable
1: Enable
49050 float R Upper alarm limit of temperature
49052 float R Lower alarm limit of temperature
49054 float R Alarm dead-band of temperature