Terumo CDI 550, Operator'S Manual

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communication with other devices appendix c C-9
Command List.
The following is a table of major Command values. These are identical to the CDI
Pump Interface Protocol commands:
Value Name Direction Description
‘A’ Attention
From CDI
System
550
Information sent out in response to a re-
quest or a timed action, such as calibration
data, or sending out a line of analyte data
during operate mode.
‘K’ Acknowledge
From CDI
System
550
Acknowledge a request by echoing back the
Command and SubCommand, along with
the requested information in the Data por-
tion of the packet.
‘N’
No Acknowl-
edge
From CDI
System
550 Indicates a problem with packet communi-
cations. See the SubCommand list of NAK
conditions for more details.
‘E’ Error
From CDI
System
550
Indicates an error condition in the CDI
System 550. The data portion of the packet
will contain the error code, which should be
the same as seen on the CDI System 550
screen.
‘S’ Set
To/From
CDI Sys-
tem 550
Sent to the CDI System 550 to set certain
parameters, such as Arterial Flow or certain
toggles. The CDI System 550 also sends a
Set type packet to try and set the frequency
that Arterial Flow packets will come from the
pumping device.
‘G’ Get
To CDI
System
550
Sent to the CDI System 550 to request
information about the state of an element in
the system, such as the time or the operate
state.
SubCommand List.
Each major Command type has a list of ASCII numeric SubCommand values used to
produce a specific action. Below are the SubCommands listed for each Command.
Attention (‘A’) :
Value Name
Description
‘0’
Unsolicited Data
Packet
Analyte Packet sent by CDI System 550 at the speci-
fied output interval. See Analyte Packet section for
more information.
‘1’ Mark Data Packet
Analyte Packet sent by CDI System 550 when the
Mark key pressed.
‘2’ Store Data Packet
Analyte Packet sent by CDI System 550 when the
Store key pressed.
‘3’ Recal Data Packet
Analyte Packet sent by CDI System 550 when the
Recal key pressed.
‘4’
Solicited Data
Packet Analyte Packet sent by CDI System 550 in response
to a Data Request.