Samson 3730-6 Feuille d'instructions
Conguration Manual
KH 8384-3 EN
Edition February 2015
Series 3730/3731
Type 3730-3, Type 3730-6 and
Type 3731-3 (Ex d) Electropneumatic
Positioners
HART®Communication
Supplementary Conguration Instructions
2 KH 8384-3 EN
Denition of the signal words used in these mounting and operating instructions
DANGER!
indicates a hazardous situation which,
if not avoided, will result in death or
serious injury.
WARNING!
indicates a hazardous situation which,
if not avoided, could result in death or
serious injury.
NOTICE
indicates a property damage mes-
sage.
Note:
Supplementary explanations, informa-
tion and tips
KH 8384-3 EN 3
Contents
1 General ........................................................................................................4
1.1 HART® revisions.............................................................................................4
2 Device status and response code....................................................................5
2.1 Communication status ....................................................................................5
2.2 Response code...............................................................................................6
2.3 Device status..................................................................................................7
3 Universal commands .....................................................................................8
3.1 Command 0 (Read Unique Identier)..............................................................8
3.2 Command 1 (Read Primary Variable).............................................................8
3.3 Command 3 (Read Dynamic Variables and Loop Current)................................9
3.4 Command 33 (Read Device Variables)..........................................................10
3.5 Command 38 (Reset Conguration Change Flag)..........................................10
3.6 Command 48 (Read Additional Status) .........................................................11
3.6.1 Type 3730-3 and Type 3731-3 .....................................................................11
3.6.2 Type 3730-6 ...............................................................................................15
3.7 Starting and assessing the partial stroke test (PST)...........................................21
3.7.1 Type 3730-3 and Type 3731-3 .....................................................................21
3.7.2 Type 3730-6 ...............................................................................................23
General
4 KH 8384-3 EN
1 General
This Manual (KH 8384-3 EN) supplements the standard instructions for Types 3730-3, 3730-6
and 3731-3 Positioners and the associated diagnostics instructions.
Table 1: Associated documentation
Positioner Standard instructions Diagnostics instructions
Type 3730-3 u EB 8384-3 EN u EB 8389 EN
Type 3730-6 u EB 8384-6 EN u EB 8389-1 EN
Type 3731-3 u EB 8387-3 EN u EB 8389 EN
These instructions describe the most important HART® commands used together with the above
listed SAMSON positioners.
1.1 HART® revisions
Type3730-3 and Type3731-3
HART® revision5 is used in these positioners by default. Switchover to HART® revision6 is pos-
sible using the operator interface.
Type3730-6
HART® revision5 is used in this positioner by default. Switchover to HART® revision6 is not
possible.
Device status and response code
KH 8384-3 EN 5
2 Device status and response code
The device response consists of 2 bytes. The rst byte represents either the communication sta-
tus or the response code. If the most signicant bit (0x80) of the rst byte is set, this byte rep-
resents the communication status. If the bit is not set, the rst byte represents the response code
according to Table 3.
2.1 Communication status
A communication status is indicated by the response code when a communication error occurs.
Table 2: Communication status
Bit Denition
0x80 This bit must be set to 1 to show a communication error.
0x40 Vertical Parity Error – The parity of one or more of the bytes received by the device
was not uneven.
0x20 Overrun Error – At least one byte of data in the receive buffer of the UART was
overwritten before it was read (i.e. the slave did not process the incoming byte fast
enough).
0x10 Framing Error – The stop bit of one or more bytes received by the device was not de-
tected by the UART (i.e. a marking or 1 was not detected if a stop bit should have oc-
curred).
0x08 Longitudinal Parity Error – The Longitudinal Parity calculated by the device did not
match the Longitudinal Parity byte at the end of the message.
0x04 Reserved – set to zero.
0x02 Buffer Overow – The message was too long for the receive buffer of the device.
0x01 Reserved – set to zero.
If a communication error has not occurred, the response code contains a zero in the highest
valued bit and the code represents the following described code (0 to 127). The response code
is transferred in the rst byte of the data eld and indicates the status of the command. A zero
value indicates that the command is OK. A value unequal to zero means that there is an error
(see section 2.2 Response code on page 6).
Device status and response code
6 KH 8384-3 EN
2.2 Response code
Table 3: Response codes
Value Denition
0Success
2Invalid selection
3Passed parameter too large
4Passed parameter too small
5Too few data bytes received
6Device-specic command error
7In write protect mode
9Invalid date code detected
10 Lower range value too low
11 Upper range value too high
12 Upper range value too low
16 Access restricted
18 Invalid units code
17 Invalid device variable index
20 Invalid extended command number
29 Invalid span
32 Busy
Device status and response code
KH 8384-3 EN 7
2.3 Device status
This byte indicates the current status of the eld device.
Table 4: Device status
Bit Denition
0x80 The device has detected a serious error. This error endangers the functioning of the
device.
0x40 Conguration Changed – The device conguration has been changed. It can have
been changed by HART®, TROVIS-VIEW or using the local operation.
0x20 Cold Start – The device has been restarted.
0x10 More Status Available – Further status information is available in Code 48, Read
Additional Status Information.
0x08 Loop Current Fixed – The loop current is kept at a xed value and does not respond
anymore to the process variables.
0x04 Loop Current Saturated – The loop current has reached its top (or bottom) limit and
cannot rise (or fall) any further.
0x02 Non-Primary Variable Out of Limits – A device variable, other than that of the
Primary Variable, is beyond the operating limits of the device.
0x01 Primary Variable Out of Limits – The Primary Variable PV is beyond the operating
limits of the device.
Universal commands
8 KH 8384-3 EN
3 Universal commands
3.1 Command 0 (Read Unique Identier)
Table 5: Command 0
Byte Denition
Byte 0 254
Byte 1 Manufacturer identication code (66 stands for SAMSON)
Byte 2 Device type (373x-3: 239, 3730-6: 238)
Byte 3 Minimum number of preambles (master to slave): 5
Byte 4 HART® revision number: 5
Byte 5 Device revision number: 1
Byte 6 Software version number: 1
Byte 7 Hardware version number: 8 (does not exist)
Byte 8 Flags: 0
Byte 9 to 11 Serial number of the device
Byte 12 Minimum number of preambles (slave to master)
Byte 13 Maximum number of device variables: 12
Byte 14 and 15 Counter for conguration change
Byte 16 Maintenance indicator (total valve travel exceeded)
3.2 Command 1 (Read Primary Variable)
Command 1 indicates the percent of the Primary Variable. The Primary Variable corresponds
to the reference variable in the default setting.
Table 6: Command 1
Byte Denition
Byte 0 Unit of the Primary Variable
Byte 1 to 4 Value of the Primary Variable
Universal commands
KH 8384-3 EN 9
3.3 Command 3 (Read Dynamic Variables and Loop Current)
Command 3 reads the values of the four Dynamic Variables.
The assignment between the four Dynamic Variables and the selection from the twelve device
variables is made by command 51. Table 7 shows the currently available device variables.
In Type 373x-3, the reference variable is xed as the rst Dynamic Variable and cannot be
changed.
In Type 3730-6, the rst Dynamic Variable can be selected as required.
−Value 0 corresponds to the control value.
−Value 1 corresponds to the valve set point.
−Value 2 corresponds to the target position.
−Value 3 corresponds to the valve position.
−Value 4 corresponds to the error e.
−Value 5 corresponds to the total valve travel.
−Value 6 corresponds to the state of the binary input.
−Value 7 corresponds to the status of the internal solenoid valve/forced venting.
−Value 8 corresponds to the NAMUR condensed status.
−Value 9 corresponds to the current temperature.
−Value 10 corresponds to the sound level value (leakage sensor).
−Value 11 corresponds to the differential pressure.
Table 7: Command 3
Byte Denition
Byte 0 to 3 Reference variable in mA
Byte 4 Unit of the Primary Variable
Byte 5 to 8 Value of the Primary Variable
Byte 9 Unit of the Secondary Variable
Byte 10 to 13 Value of the Secondary Variable
Byte 14 Unit of the Tertiary Variable
Byte 15 to 18 Value of the Tertiary Variable
Byte 19 Unit of the Fourth Variable
Byte 20 to 23 Value of the Fourth Variable
Universal commands
10 KH 8384-3 EN
3.4 Command 33 (Read Device Variables)
Command 33 allows a maximum of four of the device variables listed below to be read. The
indices of the variables to be read are specied in the readout.
Table 8: Command 33
Value Denition
Value 0 Control value
Value 1 Valve set point
Value 2 Target position
Value 3 Valve position
Value 4 Error e
Value 5 Total valve travel
Value 6 State of the binary input (optional)
Value 7 Status of the internal solenoid valve/forced venting (optional)
Value 8 NAMUR condensed status
Value 9 Current temperature
Value 10 Sound level value (leakage sensor)
Value 11 Differential pressure (Type 3730-6)
3.5 Command 38 (Reset Conguration Change Flag)
Command 38 resets the conguration change ag. This ag is always reset when a value is
written to the EEPROM.
Autres manuels pour 3730-6
1
Ce manuel convient aux modèles suivants
2
Table des matières
Autres manuels Samson Positionneur de vanne
Samson
Samson 3730 Series Manuel de service
Samson
Samson TROVIS 3730-1 Manuel de service
Samson
Samson 3730 Series Manuel de service
Samson
Samson FOUNDATION 3730-5 Feuille d'instructions
Samson
Samson 373 Series Manuel utilisateur
Samson
Samson 4763 Manuel de service
Samson
Samson TROVIS 3730-3 Manuel utilisateur
Samson
Samson 4763 Manuel de service
Samson
Samson 3730 Series Manuel de service
Samson
Samson 3730-2 Manuel de service
Samson
Samson 4765 Manuel de service
Samson
Samson TROVIS SAFE 3730-6 Manuel de service
Samson
Samson TROVIS 3730-3 Manuel de service
Samson
Samson 4763 Manuel de service
Samson
Samson 3730-4 Manuel utilisateur
Samson
Samson 3730-2 Manuel utilisateur
Samson
Samson TROVIS 3731-3 Manuel de service
Samson
Samson 3730 Series Manuel de service
Samson
Samson TROVIS 3730-1 Guide de configuration
Samson
Samson 3780 series Manuel de service
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