Bio-Rad Model 550, Ultramark, and Benchmark Microplate Reader Accessories User Manual

Page 36

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7.3 Command Language for the Model 550 Microplate Reader

SYNTAX:<device name><space><command>[ <space><command args.>] <cr>

device name: “EIA. READER” -Model 550 Microplate READER

1. <command>: “ID”-request device ID. 550 READER id; “550”; no arguments

<response>:

“ERE” <space><error code><space><id><cr>

<ID>:

“0550”: Model 550 Microplate READER ID code]

2. <command>: “AQ” - Acquire remote control of the device and lock front panel

key pad; no arguments
When acquired, the reader will be in the Remote Control mode. The
LCD will display Remote Control mode, and the printer will automat-
ically be deactivated. The reader will stay in the remote control mode
until the release (RL) command is received or the STOP button on the
front panel is pressed.

3. <command>: “RL”- Release remote control of the device and release front panel key

pad; no arguments

4. <command>: “RS”- Reset device to power up configuration local mode; no arguments

5. <command>: “MR”- Transmit maintenance report; no arguments

<response>: “ERE” <space><error code><cr><mrecords><cr>
< >: maintenance records;

“On/off:” <#on/off><cr> :Number of times the reader was turned on.
“Hours:” <#hours><cr> :Number of hours the reader was on.
“Plates:” <#plates><cr> :Number of plates read.

Note: <#on/off>,<#hours> and <#plates> are 4 ASCII encoded decimal values. This
information is kept in battery backup RAM.

6. <command>: “RM”- Reset maintenance report values; no arguments

7. <command>: “RWELL”- Read a plate well; arguments <c1>, <rw>, <s/d>

<cmd args>:

cl - Column number ASCII encoded decimal (1-12)

rw - Row number ASCII encoded decimal (1-8)
wp1 - Measurement filter position ASCII encoded decimal (1-4)
wp2 - Reference filter position ASCII encoded decimal (1-4)
Optional; only present for Dual wavelength reading

<response>: “ERE” <space><error code><space><abs. val1)

<abs. val1>: Absorbance values at measurement wavelength (ASCII encoded

floating point format) ex.” 1.234”

<abs val2>:

Absorbance values at reference wavelength (ASCII encoded floating
point format) ex.”1.234”

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