Thermo Ramsey Micro-Tech 3000 Series - Chapter 3.6 PC-Master Protocol; PC-Master Protocol Message Details

Serial Communications 3104
REC XXXXX 3-25
z. Hhpos_dev_set
The set point for the alarm of high high positive deviation. Entered or downloaded by
the user.
aa. Hneg_dev_set
The set point for the alarm of high negative deviation. Entered or down loaded by
the user.
bb. Hhneg_dev_set
The set point for the alarm of high high negative deviation. Entered or downloaded
by the user.
cc. Start_ref
The set point to start the refill phase. Entered or downloaded by the user.
dd. End_ref
The set point to end the refill phase. Entered or downloaded by the user
ee. Ing_ratio
The percent of ingredient for the remote (analog input) regulation setpoint.
ff. Control_set
When read it is the actual regulation set point in rate units. When write it is the
remote regulation set point. It will be used by the instrument when it is switch in
remote.
gg. Control_dev
It is the actual regulation error in percent.
3.6 PC-Master Protocol
The PC-Master protocol is fully described in the following manual (available from
Thermo Ramsey on request) :
PC-MASTER COMMUNICATION PROTOCOL Rev.08.01.1996
The following messages are used to communicate with MT3104 type of instruments:
- Message #97 : Send a Key to the MT3104
- Message #98 : Send a variables to the MT3104
- Message #99 : Get variables from the MT3104
3.6.1 Description
1. Message #97 : SEND A KEY TO THE 3104
With this command, the code of one or more key can be sent to the
instrument. When the keys are received by the instrument, they are
processed as the normal keyboard entries.
QUERY MESSAGE
Begin of frame STX 02
DLE 10H
Address xxx xxx
Code 97 61H
Stamp xxx xxx