Connector No.
Function
Input or
Output
Configurable
Signal Response
SW2
SW2
Switches in or out a filter capacitor
for optional use when internal
terminal is selected. May be of use
if data errors occur with long
lines.
13.8
Standard - 9 way D - RS232 Use
Recommended control cable: 7/0.2 mm 24AWG screened, circular, up to 25 core. The cable screen
should be earthed with a 360 deg connection to a conductive back-shell.
Earth
Network commands and protocol
The pump allows you to choose whether you would like to use the historical basic protocol or the new
enhanced protocol.
New enhanced protocol
Command strings have a comma separated format, without spaces and with an optional checksum,
enclosed within a start of message (SOM) indicator and an end of message (EOM) indicator.
SOM,address,command,parameter,(parameter,parameter,...)checksum,EOM
e.g. <1,SP,1032,CS>
Message structure - additional definitions
SOM <
Address range: 1 to 16 for RS232 and 1 to 32 with RS485, leading zeros are not required but can be
present
EOM >
Command
Parameter
Meaning
DO
Num1, or Num1,Num2
Set and run one dose of Num1 tacho
pulses. Note that "Num2", is optional and
specifies the number of drip tacho pulses
(maximum 11000) (see Note 2)
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Summary of Contents for 630 Du
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