ThermoFlex-Manual - 第132页
Thermo Scientific D-8 ThermoFlex Appendix D Thermo Scientific Thermo Scientific Request Status T able Basic nn 4 b0 Chiller Running b1 RTD1 open or shorted b2 RTD2 open or shorted d1 b3 RTD3 open or shorted b4 High T emp fix…
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Appendix D
ThermoFlex D-7
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SET STATUS SETTINGS
SET KEYSTROKE M: lc a1 a2 80 01 d1 cs See Keystroke in this Appendix
S: lc a1 a2 80 01 d1 cs
SET ON/OFF ARRAY M: lc a1 a2 81 nn d1 … dn cs See Set On/Off Array in this Appendix
S: lc a1 a2 81 nn d1 … dn cs d1: 0 = OFF, 1 = ON, 2 = no change
SET LOW ALARM VALUES
SET LO FLOW1 M: lc a1 a2 B0 02 d1 d2 cs Process Alarm
S: lc a1 a2 B0 03 d1 d2 d3 cs
SET LO TEMP1 M: lc a1 a2 C0 02 d1 d2 cs Process Alarm
S: lc a1 a2 C0 03 d1 d2 d3 cs
SET LO ANALOG1 M: lc a1 a2 C8 02 d1 d2 cs Pressure Process Supply Alarm
S: lc a1 a2 C8 03 d1 d2 d3 cs
SET HIGH ALARM VALUES
SET HI FLOW1 M: lc a1 a2 D0 02 d1 d2 cs Process Alarm
S: lc a1 a2 D0 03 d1 d2 d3 cs
SET HI TEMP1 M: lc a1 a2 E0 02 d1 d2 cs Process Alarm
S: lc a1 a2 E0 03 d1 d2 d3 cs
SET HI ANALOG1 M: lc a1 a2 E8 02 d1 d2 cs Pressure Process Supply Alarm
S: lc a1 a2 E8 03 d1 d2 d3 cs
SET PID Settings
SET SETPT1 M: lc a1 a2 F0 02 d1 d2 cs Process Fluid Setpoint
S: lc a1 a2 F0 03 d1 d2 d3 cs
SET COOL P TERM1 M: lc a1 a2 F4 02 d1 d2 cs Cool P Term
S: lc a1 a2 F4 03 d1 d2 d3 cs
SET COOL I TERM1 M: lc a1 a2 F5 02 d1 d2 cs Cool I Term
S: lc a1 a2 F5 03 d1 d2 d3 cs
SET COOL D TERM1 M: lc a1 a2 F6 02 d1 d2 cs Cool D Term
S: lc a1 a2 F6 03 d1 d2 d3 cs
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D-8 ThermoFlex
Appendix D
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Request Status Table
Basic
nn 4
b0 Chiller Running
b1 RTD1 open or shorted
b2 RTD2 open or shorted
d1 b3 RTD3 open or shorted
b4 High Temp fixed fault
b5 Low Temp fixed fault
b6 High Temp fault or warn
b7 Low Temp fault or warn
b0 High Pressure fault or warn
b1 Low Pressure fault or warn
b2 Drip Pan fault
d2 b3 High Level fault
b4 Phase Monitor fault
b5 Motor Overload fault
b6 LPC fault
b7 HPC fault
b0 External EMO fault
b1 Local EMO fault
b2 Low Flow fault
d3 b3 Auto Refill fault/ Low Level fault
b4 Sense 5V fault
b5 Invalid level fault
b6 Low fixed flow warn
b7 High pressure fault (set at factory)
b0 Low pressure fault (set at factory)
d4 b1 Chiller powering up
b2 Chiller powering down
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Appendix D
ThermoFlex D-9
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Error
The slave detected an error in the message it received from the master, so it returns this command
instead of echoing the command sent by the master. The slave returns the command it received
from the master in the ed byte, and an error code in the en byte.
en Error
1 Bad command – not recognized by slave
2 Bad data
3 Bad checksum
Some errors may not result in any response. The slave ignores incoming bytes until it sees the valid
lead character and its slave address. Then it must receive the correct number of bytes (determined
by the length byte) before it can respond. If an incomplete frame is received, the slave will time out
and clear its input buffer without responding.
Set On/Off Array
This command is used to set the state of the chiller, on or off. Sending a 0 in the array turns off
the chiller while sending a 1 turns it on. Sending a 2 does not change the state. The array is re-
turned showing the state after the command has been carried out. Sending all 2’s effectively turns
this command into a request status command.
nn 1
d1 Chiller On/Off
Set Keystroke
This command is used to affect a keystroke remotely as if someone pressed the key on the HMI.
Value
0 Null
1 Enter
2 Up/Yes
3 Down/No
4 Mode
5 On/Off