Morehouse Instrument Company, Inc.
1742 Sixth Ave., York, PA 17403-2675 USA
Phone: (717) 843-0081
www.mhforce.com
Page 20
Rev. 3/2022
4215-HS Indicator
Manual
(PM-4101)
RS232 Run Mode Commands
The commands listed in this section mirror (and in some cases extend) the functions that are available from
the front panel of the Model 4215-HS when it is in Run Mode.
Each entry will include the name of the command, followed by a short description that includes the command
format, an example that shows what you would type (shown in plain font) and what the Model 4215-HS would
return (shown in italics).
Hello Command (H)
This command fetches the model, version, and serial number of any unit at the specified address.
Example:
@123H
Acknowledge:
@123 ESL Model 4215-HS Version 4.4.0 Serial #-980500
Question Mark Command (?)
This command returns a list of item numbers and unit numbers that are available on the Model 4215-HS that is
addressed. These numbers are used as arguments for the many of the commands shown below.
Example:
@123?
RS232 Run Mode Command Summary