LEM EM4TII+ User manual

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EM4TII+ Manual

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Table of contents
1. Safety instructions and hazard warnings.............................................................................................3
2. Product description................................................................................................................................4
3. Installation and connection ...................................................................................................................7
3.1 Wall mounting............................................................................................................... 7
3.2 Electrical connection..................................................................................................... 9
4. Displays and parameterization, data interfaces ................................................................................11
4.1 Display screen and operating display ......................................................................... 11
4.2 Parameters and reading out meter data...................................................................... 14
4.2.1 Protocol diagram ........................................................................................................ 14
4.2.2 Command and data formats ....................................................................................... 15
4.2.3 Communication cycle.................................................................................................. 18
4.2.4 Access authorizations................................................................................................. 19
4.2.5 OBIS codes................................................................................................................ 19
4.2.6 Structure of load profile compilation............................................................................ 22
4.2.7 Recognition of the traction power system ................................................................... 25
4.2.8 Error register (F.F)...................................................................................................... 26
4.2.9 Examples of read-outs from the EM4TII+ ................................................................... 27
4.3 Data input for GPS receiver connection...................................................................... 29
5. Maintenance..........................................................................................................................................30
6. Measurement........................................................................................................................................31
6.1 Measuring principle .................................................................................................... 31
6.2 Formula: generation of measured values.................................................................... 31
7. Technical data.......................................................................................................................................32
7.1 General specifications ................................................................................................ 32
7.2 Applied standards and regulations.............................................................................. 33
Revisions
Version
Date
Evolution
Preliminary
2020-10-30
Creation- Preliminary version
V1.0
2020-11-05
First official version

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1. Safety instructions and hazard warnings
Please read this chapter through carefully. It familiarises you with the important safety
instructions and hazard warnings for handling the EM4TII+ device.
Explanation of markings:
NOTE
The device is designed for a maximum secondary voltage converter voltage of 300 V.
CAUTION
Do not under any circumstances open the device! Opening the device can cause electric
shocks.
This device does not contain any parts which can be maintained by the user. Have all
maintenance work carried out by servicing specialists only.
Protective earth
CE certification
Warning of a hazard
(adhere to the documentation!)

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2. Product description
This operating manual describes all design variants of the EM4TII+. Be aware that meters may be
designed differently with regard to configuration, interface, inputs/outputs etc. It is possible that some
meter characteristics are described here which do not apply to your meter.
The EM4TII+ is a single-phase energy meter as per EN 50463-x:2017 and thus meets the
requirements of the EU directive 1302/2014/EU in accordance to Commission Implementing
Regulation (EU) 2018/868 and 2019/776.
The energy meter EM4TII+ contains the energy measurement function (EMF) as well as the vehicle-
side Data Handling System (DHS) up to the output-side interface for the communication function
(transfer of the CEBD to the communication function). The communication device must process and
transfer the data to the ground site in XML format in accordance with EN 50463-4: 2017.
The EM4TII+ processes signals from transformer-based and electronic transducer systems for current
and voltage and generates a load profile from the energy values they calculate.
The load profiles are recorded in datasets with a default period length of 5 minutes (other period
lengths available on request). These datasets contain the date, time, traction type and events together
with the primary energy (delta) values and can optionally contain the location coordinates too. The
measured energy data consists of consumed and regenerated active and reactive (for AC) energy in
separate registers and is stored in the load profile for at least 300 days (for 5-minute period length).
The energy values are generated separately from the signals from 2 AC and 2 DC input channels (U
and I in each case). In the process the highly precise measurement of energy values is achieved using
the digitally sampled converter signals and thus makes for the highest degree of temperature and
long-term stability. The EM4TII+ is also optionally available for DC measurement in a design with 1
voltage input and up to 3 current inputs which records the energy consumption on vehicles with more
than one current consumption points.
The EM4TII+ is suitable for use in multi-system vehicles. It can be used on 25 kV 50 Hz and 15 kV
16.7 Hz as well as 750 V DC, 1.5 kV DC and 3 kV DC. A system change is detected by the energy
meter and recorded in the load profile and in the logbook.
The EM4TII+ has a separate input for capturing serial data telegrams from a GPS receiver (NMEA
0183 format) from which the location coordinates can be generated and matched to the appropriate
energy data. When receiving GPS data, the internal RTC device clock synchronises, if necessary,
using the time information contained in the data telegrams.
As well as the load profiles special events can be saved in a logbook, as per EN 50463-3:2017. This
includes, for instance, the activation and deactivation of the supply voltage, activation and deactivation
of the rail network voltage, synchronisation of the time and changing the parameters important for
energy calculation.
In addition, the identification data on the EM4TII+ for the vehicle (CPID - Consumption Point ID) or the
train number, for instance, can be stored and read out separately. The illuminated display on EM4TII+
shows a rolling list of all the relevant energy and status information without it being necessary to
activate a mechanical or optical key.
The data is transferred via serial interfaces. All the measured and stored data can be read out via the
RS interface (via modem or locally). The interface variants RS232, RS422 or RS485 are available.
The applied data communication protocol is IEC 62056-21 and thus easily adapted by all common
remote read out systems.

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The supply voltage for the EM4TII+ can be selected between 24 V and 110 V as per EN 50155.
Two hardware variants are available, one for 24V or 48V, the other one for 72V, 96V or 110V
Optionally a communication unit (modem) can be supplied with 12V DC voltage from the EM4TII+.
The conditions of use (with regard to EMC, temperature, vibrations etc.) meet the special
requirements for locomotives, including the EN 50155, EN 50121-3-2, EN 50124-1 and EN 61373.
Concerning shock and vibrations, the meter has been tested in respect to category 1, class B severity
defined in EN 61373.
The compact and fireproof housing provides protection from the penetration of moisture and foreign
bodies to level IP 65.
Figure 2.1: Block diagram

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View of the rating plate:
1
Serial number
2
Test LED for active and reactive power
3
LC display
4
Space for ownership marking
5
Specifications on operation of the meter
6
Connection plan and terminal assignment
7
Year + date-code (day of the year) of manufacture
8
Type designation and type code
9
Protection type
10
Adhere to the operating manual
Scope of delivery:
•1x EM4TII+ base device
•Operating manual
•Additional locking bolts for cable gland (2 x Ø 6.4 x 25 mm and 2 x Ø 9.3 x 20 mm)
1
7
2
3
4
5
6
8
9
10

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3. Installation and connection
3.1 Wall mounting
The EM4TII+ device is designed for three-point mounting as per DIN 43857-2. For a detailed view of
the fastening holes see figure 3.1. The four sealing screws for the terminalcover are tightened evenly
and alternately to 0.5 Nm with a PZ2.
ATTENTION!
Damage of the unit due to excessive torque!
•Tighten the sealing screws with a maximum torque of 0.5 Nm.
Once the connections are correctly done and the cover applied, the two lower screws of this
transparent cover can be sealed, so that it is not possible any more to easily open the meter.
An existing EM4T installation can be adjusted to an EM4TII+ model using an installation kit which is
available as an accessory. For compliance with Standard EN 50463:2017 an exchange of the
measurement-System (meter + communication) is necessary.
Figure 3.1: Scale drawing

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DANGER!
Contact of parts under voltage is extremely dangerous!
When installing or changing the meter, the conductors to which the meter is connected must be free of
voltage.
•Remove the relevant back-up fuses and store them in such a way that other people cannot re-insert
the back-up fuses without notice.
•If you use selective circuit breakers for disconnection from the mains, secure them against
unintentional reconnection.
•When installing and connecting the meter, only use the screw terminals provided for this purpose.
ATTENTION!
Damage to the connection terminals due to excessive torque!
The appropriate torque depends on the type of the wire and the maximum current.
•Tighten the connection terminals with the appropriate torque according to IEC 60999-1.

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3.2 Electrical connection
DANGER!
Contact of parts under voltage is extremely dangerous!
•Secure meters with a transformer connection in the voltage path with a back-up fuse of <6 A.
The supply lines to the device - which can total up to nine depending on the energy meter design -
must be laid with cable glands and connected as per figure 3.2.
Note: When using the EM4TII+ with the communication device PEMG, connections for power supply,
communication and GPS are combined in one cable
Figure 3.2: Terminal block

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Version
Channel 1
Channel 2
Channel 3
Channel 4
AC
AC-voltage
AC-current
ACDC
AC-voltage
AC-current
DC-voltage
DC-current
DC
DC-voltage
DC-current
DCDC
DC-voltage
DC-current
DC-current
DCDCDC
DC-voltage
DC-current
DC-current
DC-current
DC-voltage is always measured via a voltage/current transducer.
The connection wires to be used:
Screw terminals:
•Interfaces: 0.14 mm² to 1.5 mm² (use wire end ferrule)
•Measuring and supply terminals: 0.2 mm² to 4 mm² (use wire end ferrules)
Parallel to the screw terminal for the RS interface there is a plug connector (grid dimension 2.54 mm)
to which a computer/laptop can be connected locally. The plug connector and the screw terminals are
connected to each other electrically. Thus, both interfaces are of the same RS type. When reading out
locally you must make sure that there is currently no communication in process via the RS screw
terminals. An active communication process is indicated in the display by an arrow over "RS". If an
attempt to communicate is made whilst another communication process is in process, the current
communication process breaks down.
Cable glands (properties):
•Measuring signal 3 x M16 x 1.5 (Ø 6.5 –9.5 mm)
1 x M20 x 1.5 (Ø 9.5 –13.5 mm)
•Supply and communication 4 x M16 x 1.5 (Ø 4.0 –6.5 mm)
13 –GPS (in) - RS232-TxD
16 –RS232-n.c. RS485-n.c. RS422-A
14 –GPS (in) - RS232-RxD
17 –RS232-n.c. RS485-n.c. RS422-B
15 –GPS (in) - RS232-GND
18 –RS232-TxD RS485-B + RS422-B’
19 –RS232-RxD RS485-A - RS422-A’
20 –RS232-GND RS485-GND RS422-GND
1 –U_Modem + (out)
5 –CH1 high 9 –CH3 high
2 –U_Modem - (out)
6 –CH1 low 10 –CH3 low
3 –U_Batt + (in)
7 –CH2 high 11 –CH4 high
4 –U_Batt - (in)
8 –CH2 low 12 –CH4 low
Since the nomenclature of the terminals of the RS422 interface for the LEM Products EM4T and
EM4TII+ are different, please use in case of replacement of the EM4T with EM4TII+ in an installation
the table below to connect the RS422 interface.
Marking of the
connector
Data flow direction
(relative to EM4T/EM4TII+)
EM4T
EM4TII+
Tx+
A
Send
Rx+
A‘
Receive
Tx-
B
Send
Rx-
B‘
Receive
Figure 3.3: Connection assignment (n.c: not connected)
Table 3.1: EM4TII+ inputs configurations

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4. Displays and parameterization, data interfaces
4.1 Display screen and operating display
Display of detected mains system on the display screen (possible values):
12 →16.7 Hz measurement of current on channel 2 (only possible with AC or ACDC version)
52 →50 Hz measurement of current on channel 2 (only possible with AC or ACDC version)
62 →60 Hz measurement of current on channel 2 (only possible with AC or ACDC version)
D4 →DC measurement of current on channel 4 (only possible with ACDC version)
D2 →DC measurement of current on channel 2 (only possible with DC, DCDC or DCDCDC version)
D 3 →DC measurement of current on channel 3 (only possible with DCDC or DCDCDC version)
D4 →DC measurement of current on channel 4 (only possible with DCDCDC version)
Figure 4.1: LC display

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Cursor field:
Cursor arrow
Function
Q LED
OFF: Reference variable for the LED is active energy
ON: Reference variable for the LED is reactive energy
GPS
OFF: no GPS telegram received
FLASHING: GPS telegram received
ON: Valid GPS telegram received -> clock engaged
RS
OFF: No communication on the RS232 interface
ON: Communication on the RS232 interface
CLK
OFF: Power reserve for the device clock not depleted
ON: Power reserve for the device clock depleted
F.F
OFF: There is no fatal device fault
ON: There is a fatal device fault
The individual pieces of energy and operation information are displayed cyclically (approximately 10
seconds) as shown in table 4.2:
Table 4.1: Cursor arrows definition

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Display
Meaning
Duration of the
display
Rolling list
Display test
Appears after
commissioning
for approximately
1 s
Energy register for
positive active energy
Appears
for 10 s for each
Energy register for
negative active energy
Energy register for
positive reactive energy
Energy register for
negative reactive energy
Fault display
Identity number
Firmware identification
Time
Date
Manufacture number
Locomotive number
Train number
Consumption point ID
(if string is longer than 16
characters, it is displayed
in 2 parts for 5 sec each)
Display test
Appears for 1 s
Table 4.2: Rolling list
1 . 8 . 0 k Wh
0 0 0 0 0 0 0 . 0 0
2 . 8 . 0 k Wh
0 0 0 0 0 0 0 . 0 0
3 . 8 . 0 k v a r h
0 0 0 0 0 0 0 . 0 0
4 . 8 . 0 k v a r h
0 0 0 0 0 0 0 . 0 0
F . F
0 0 0 0 0 0 0 0
0 . 0 . 1
0 0 0 0 0 0 0 0
0 . 2 . 0
1 0 2 0 0 0 0 0
0 . 9 . 1 hh . mm. ss
22 . 57 . 42
..
. .
0 . 9 . 2 YY - MM- DD
12 - 06 - 20
C. 1 . 0
0 0 0 0 0 0 0 0
C. 72 . 1
0 0 0 0 0 0 0 0
C. 72 . 2
0 0 0 0 0 0 0 0
C. 1 . 9
consumpt i onPoi n

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4.2 Parameters and reading out meter data
Communication with the EM4TII+ follows the standard IEC 62056-21 (formerly IEC 61107).
Knowledge of this standard is assumed for the development of any kind of terminal software dedicated
to read the meter data.
All data objects are identified here by the OBIS Code System (formerly EDIS code system).
OBIS codes are given here in part as a full 6-digit code. On the possibly shortened reference OBIS
codes are referred to in this document, if any.
4.2.1 Protocol diagram
Here is a representation of a possible communication between the train computer or communication
unit and the EM4TII+ to select the load profile:
Command message: e.g.: Request for
load profile data from 31/1/2013, 08:00
to 1/2/2013, 08:00
<SOH> R5 <STX> P.01
(01301310800;01302010800)
<ETX> <BCC>
Request message
/ ? ! <CR> <LF>
Identification message
/EMH5\@D4EM4TWII001--<CR> <LF>
Acknowledgement/option select message
<ACK> 051 <CR> <LF>
Acknowledgement of baud rate selection
<SOH>P0<STX>()<ETX>
Data message
<STX> LP data block <ETX> <BCC>
Communication Master EM4TII+
Command message: password message
<SOH> P1 STX (00000000) <ETX>
Acknowledgement message
<ACK>
Command message: end of communication
<SOH> BO <ETX> <BCC>

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4.2.2 Command and data formats
In chapter 4.2.1 an example of a data exchange was given. In the present chapter, all notions related to messages
needed for communication will be explained.
In chapter 4.2.9,a sample communication cycle with explanations is given to show the use of the messages.
Please note:
The EM4TII+ interface parameters are:
Baud rate: 9600 bps
Data bits: 7
Stop bit: 1
Parity: even
Message explanation generally:
/
?
→Command character
1
5
→Please find the related explanation
after the message descriptions.
Request message
/
?
Device address
!
CR
LF
1
9
20
2
3
Identification message
/
X
X
X
Z
Ident
CR
LF
1
11
12
13
3
Acknowledgement/option select message
ACK
0
Z
Y
CR
LF
4
*)
12
10
3
*) always “0”
Data message (except in programming mode)
STX
Data
!
CR
LF
ETX
BCC
5
14
2
3
6
8
Data message (in programming mode)
STX
Data
ETX
BCC
5
18
6
8
Data message (in programming mode with
optional partial blocks)
STX
Data
EOT
BCC
5
18
7
8
Command sequence
Command sequence
Answer f. EM4TII+
Answer f. EM4TII+
Answer f. EM4TII+
Answer f. EM4TII+

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Programming command message
SOH
C
D
STX
Data set
ETX
BCC
15
16
17
5
18
6
8
Error message
STX
E
R
R
(
Error
)
ETX
BCC
5
6
8
Explanations of the parameters in the tables above:
1 Start character „/“
2 End character „!“
3 Final characters
CR: Carriage return
LF: Line feed
4 Acknowledge character (ACK)
5 Start character for the generation of the block test character (BCC, STX = start of text).
6 This character is not necessary if no data set follows.
6 End character of a block (ETX)
7 End character in a partial block (EOT)
8 Block check character (BCC).
The block begins after the first recognized SOH or STX signal and extends through the ETX character that
ends the message. The calculated block check character follows immediately after the ETX character.
9 Request to send command „?“
10 „0“ – Read data
„1“ – Programming mode
11 Manufacturer identification „EMH“.
12 Baud rate identification (to change the baud rate)
The request message, the identification message and the acknowledge / option select message are sent
with the opening baud rate (9600 bits by default). The baud rate of the further communication depends on
the baud rate set in the protocol.
Communication baud rate:
„0“ 300 Bd
„1“ 600 Bd
„2“ 1200 Bd
„3“ 2400 Bd
„4“ 4800 Bd
„5” 9600 Bd
13 Manufacturer specific identification. Characters with the exception of “/” and “!”. Both last characters „/@“
point on the valid commands R5, R6 and W5.
14 Data block with the measured values. The measured values can be identified based on the table of EDIS
codes.
15 Header character (SOH)
Command sequence
Answer f. EM4TII+

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16 Programming command message identification
„P“ - Password command
„W“ - Write command
„R“ - Read command
„B“ - Cancel the execution of a command (break)
17 Command type identification (indicates the variant of the command)
Values:
a) for the password command „P“
„1“ – value is password 1 (W5 password according to IEC 62056-21)
b) for the write command „W“
„1“ – writes ASCII-coded values
„5“ – writes Format-coded (OBIS code)
c) for the read command „R“
„5“ – reads format coded (OBIS code)
„6“ – reads format coded (OBIS code) with partial blocks
18 Data set
Gives OBIS code and data of the message.
19 Error message
It consists of max. 32 characters except for "(", ")", "*", "/" and "!".
20 Serial number
Optional field, given as Manufacturer specific, maximum 8 characters, not used in standard version.
Note:
The serial number use/detection will require a special EM4TII+ configuration during manufacturing process.
The EM4TII+ standard version ignores this parameter, meaning that whatever the address given in the message,
the energy meter will respond.

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4.2.3 Communication cycle
To explain the use of the message notions explained in the previous chapter, a communication cycle is given as
an example:
Request message:
with <xxxxxxxxxxx> = device address (optionally).
If no address is specified, any connected meter will answer
Acknowledgement/option select message:
with Z = Communication baud rate
(0=300Bd, 1=600Bd, 2=1200Bd, 3=2400Bd, 4=4800Bd, 5=9600Bd),
Y = 0: switch to read mode
Y = 1: switch to programming mode
Password message (command message):
with <n> = 1: Password 1
<pppppppp>= Password
Programming mode:
Read
with <obis> = OBIS code number of the parameters/profiles to read.
<p1> = time stamp beginning
<p2> = time stamp end
<e1..4> = OBIS codes of the energy registers to be included in the load profiles (no information
-> select all)
<e5> = password, if necessary
Partial block reading
with <edis> = OBIS code of the profile to read
<p1> = time stamp beginning
<p2> = time stamp end
<p3> = number of records per block
<e1..4> = OBIS code of the energy registers to be read (no information -> select all)
Write
with <edis> = OBIS code of the parameter to be written
<p1> = parameter value
<e1> = password, if necessary
/?<xxxxxxxxxx>!<CR><LF>
<ACK>0ZY<CR><LF>
<SOH>P<n><STX>(<pppppppp>)<ETX><BCC>
<SOH>R5<STX><obis>([p1][;p2])[(e1)] [(e2)] [(e3)] [(e4)]
<ETX><BCC> [(e5)]<ETX><BCC>
<SOH>R6<STX><edis>([p1;p2][;p3])[(e1)] [(e2)] [(e3)]
[(e4)]<ETX><BCC>
<SOH>W5<STX><obis>([p1])[(e1)]<ETX><BCC>

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4.2.4 Access authorizations
The EM4TII+ user has two access levels via the data interface:
•The first level is the password level with read authorisation
•The second level is the service level with read and write authorisation
The password level enables the user to read data and parameters from the EM4TII+ using the login
password. This password level does not allow you to write parameters.
The authorized service user can also use a second password to access the service level (W5
password according to IEC 62056-21). This enables him to write certain parameters (refer to Table 4.4
- Obis codes).
Access authorisations
Read
(Data and parameters)
Write
(Parameters)
Password level
All (except PWD*)
Not allowed
Service level
Adjustable parameters
(*PWD→Definition of passwords)
Table 4.3: Access authorisations
4.2.5 OBIS codes
All data and parameters can be read out with any of both passwords, except the passwords
themselves.
For all write commands to the EM4TII+ the OBIS code must be given as 6-digit OBIS code (see table
below).
For all write commands the usage of a separate password (W5 password according to IEC 62056-21)
in addition to the obligatory login password is mandatory.

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Table 4.4: OBIS codes
OBIS code
Description
Write
Read
Format
Remark
0-0:C.1.0*255
Manufacturing number
No
Yes
up to 8 digits
0-0:C.72.1*255
Locomotive number
W5-password
Yes
8-digits ASCII string
0-0:C.72.2*255
Train number
W5-password
Yes
8-digits ASCII string
1-0:C.1.9*255
Consumption Point-ID
W5-password
Yes
32-digits ASCII string
Note 3)
1-0:0.0.0*255
Identification register 0
W5-password
Yes
8-digits ASCII string
1-0:0.0.1*255
Identification register 1
W5-password
Yes
8-digits ASCII string
0:1.8.0
Active energy positive
No
Yes
Floating point (kWh)
accumulated value
0:2.8.0
Active energy negative
No
Yes
Floating point (kWh)
accumulated value
0:3.8.0
Reactive energy positive
No
Yes
Float. point (kvarh)
accumulated value
0:4.8.0
Reactive energy negative
No
Yes
Float. point (kvarh)
accumulated value
12:#.8.0
# energy of ch. 12
No
Yes
Floating point
(kWh/kvarh)
1: active positive
2: active negative
3: reactive positive
4: reactive negative
34:#.8.0
# energy of ch. 34
No
Yes
Floating point
(kWh/kvarh)
1-0:1.7.0*255
Total active power P
No
Yes
Floating point (kW)
all channels, Note 5)
1-##:1.7.0*255
actual active power P
No
Yes
Floating point (kW)
12: CH 1=U, CH 2=I
34: CH 3=U, CH 4=I
13: CH 1=U, CH 3=I
14: CH 1=U, CH 4=I
1-0:3.7.0*255
Total reactive power Q (AC)
No
Yes
Floating point (kvar)
all channels, Note 5)
1-##:3.7.0*255
actual reactive power Q (AC)
No
Yes
Floating point (kvar)
12: CH 1=U, CH 2=I
34: CH 3=U, CH 4=I
1-#:32.7.0*255
actual voltage of ch. #
No
Yes
Floating point (V)
CH 1 or 3
1-#:31.7.0*255
actual current of ch. #
No
Yes
Floating point (A)
CH 2, 3 or 4
1-#:14.7.0*255
actual frequency
No
Yes
Floating point (Hz)
CH 1 or 3
0-223:113.108.101*0
LED (P/Q) control
W5-password
Yes
1 bit
0 =P, 1 = Q
0.3.0
LED pulses per kWh
No
Yes
Floating point
0-223:110.112.118*#
Primary transformer ratio
No
Yes
Floating point
expressed as V or A
#: channel,Note4)
0 →CH 1, …
3 →CH 4
0-223:110.115.118*#
Secondary transformer ratio
No
Yes
Floating point
expressed as V or A
#: channel,Note4)
0 →CH 1, …
3 →CH 4
0-223:110.101.109*#
Secondary rated values
No
Yes
Floating point
expressed as V or A
#: channel,Note4)
0 →CH 1, …
3 →CH 4
0.9.1
Time
No
Yes
0.9.2
Date
No
Yes
C.8.0
Operating seconds
No
Yes
1-0:0.9.129*255
setting date and time
W5-password
Yes
Note 2)
0.8.4
Registration period time of
load profile
No
Yes
in minutes
0-223:103.112.115*0
GPS RMC last message
No
Yes
0-223:98.100.97*0
Baud rate
W5-password
Yes
2 digits
Note 1)
0-223:112.119.100*03
Login password
W5-password
No
8-digits ASCII string
0-223:112.119.100*35
W5-password
W5-password
No
8-digits ASCII string
0.2.0
Firmware version
No
Yes
0-223:98.100.97*255
Firmware date
No
Yes
C.90.#
Checksums (# = 0:
parameterization variables; #
= 1: configuration variables;
# = 2: firmware binary code)
No
Yes
8 hex digits
F.F
Error code
No
Yes
8 hex digits
Refer §4.2.8
P.01
Load profile
No
yes
P.98
Logbook
No
yes