Nidek Medical LM-500 User manual

INTERFACE MANUAL
December 2010
Pages in total: 88
MLM22*RTZ001D/E
LM-500/600/600P/600PD
AUTO LENSMETER

NIDEK CO., LTD. :34-14, Maehama, Hiroishi-cho, Gamagori, Aichi 443-0038, Japan
(Manufacturer)Telephone:[phone]
Facsimile: [phone]
NIDEK CO., LTD. :3F Sumitomo Fudosan Hongo Bldg., 3-22-5, Hongo,
(Tokyo Office)Bunkyo-Ku, Tokyo 113-0033, Japan
Telephone:[phone]
Facsimile: [phone]
NIDEK INCORPORATED: 47651 Westinghouse Drive, Fremont, California 94539, U. S. A.
(United States Agent)Telephone:[phone]
Facsimile: [phone]
NIDEK S.A. : Europarc 13, rue Auguste Perret, 94042 Créteil, France
(EU Authorized Representative)Telephone: [phone]
Facsimile: [phone]

Table of Contents
1
1. OUTLINE OF COMMUNICATION. . . . . . . . . . . . . . . . . . . . 3
1.1 Outline of Communication Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.1.1 Basic interface specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.1.2 Installation of the USB driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.1.3 Cable connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2. DATA FORMAT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Communication Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.1.1 Command Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.2 Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
2.2.1 Basic format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
2.2.2 Format of each data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
2.3 Error Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
2.4 Example of Data Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
3. COMMUNICATION PROCEDURE (other than NCP20) . 41
3.1 Outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
3.2 Communication Control Signals (DTR Output to DSR Input). . . . . . . . . . . . . .42
3.3 Actual Communications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
3.3.1 The LM requests the computer to receive measured data. . . . . . . . . . . . . . . . . . .46
3.3.2 The computer requests the LM to send measured data. . . . . . . . . . . . . . . . . . . . .47
3.3.3 The computer controls all the operations of the LM.. . . . . . . . . . . . . . . . . . . . . . . .48
3.4 Example of Communication Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
3.4.1 Communication Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
3.5 Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
4. COMMUNICATION PROCEDURE (NCP20). . . . . . . . . . . 57
4.1 Block Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
4.2 Normal sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
4.3 Error sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
5. INSTALLATION OF USB DRIVER . . . . . . . . . . . . . . . . . . 63
5.1 Installation Procedure (Windows 7). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
5.2 Installation Procedure (Windows Vista) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
5.3 Installation Procedure (Windows XP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

:
2
5.4 Installation Procedure (Windows 2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
5.5 Installation Procedure (Windows 98) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
5.6 Installation Procedure (Windows ME). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

3
1
1. OUTLINE OF COMMUNICATION
1.1 Outline of Communication Function
The LM-500/600/600P/600PD comes standard with an RS-232C interface and USB interface that
enables transmission of measured data to an external computer. This manual explains the method of
receiving the measured data from the LM-500/600/600P/600PD through the RS-232C/USB interface.
The following sections describe the specifications for the interface for communication between the
LM-500/600/600P/600PD and an external device such as a personal computer.
1.1.1 Basic interface specifications
{RS-232C Communication
* The underlined options show the factory settings for communication with NIDEK devices.
The settings of Parameter 4 Com mode to Parameter 9 CR code are changeable.
For the procedure for changing the parameter settings, see “Setting Parameters” of the LM-500
operator’s manual and LM-600/600P/600PD operator’s manual.
• In the LM-600/600P/600PD, be sure to set the Auto prt. S and Auto prt. R/L parameters to
Off before communication.
Failure to do so could cause a printer error.
• Priority of interface (RS-232C/USB)
Communication is established with the port received data first.
When Com mode parameter is set to NIDEK, communication is possible only with RS-232C. After
the RS-232C communication is normally finished, data is sent through USB interface in NCP10
mode.
1 Basic specifications In accordance with the RS-232C specifications
2 Communication method Asynchronous
3 Transmission type Half duplex
4Com mode (LM-500)
Com mode (LM-600/600P/600PD) Off, NIDEK, PC, NCP10, NCP20
Off, NIDEK, PC, NCP10, NCP20
5 Baud rate 1200, 2400, 4800, 9600, 19200 (bps)
6 Parity (Parity check) Off, Odd, Even
7 Data bits 7bit, 8bit
8 Stop bits 1bit, 2bit
9 CR code Off, On
10 Data code ASCII code

4
OUTLINE OF COMMUNICATION: Outline of Communication Function
If Parameter 4 Com mode is set to NIDEK, Parameter 5 Baud rate to Parameter 8 Stop bits
are automatically set for connection with NIDEK devices; once the parameters are set auto-
matically, the settings are unchangeable.
If Parameter 4 Com mode is set to NCP20, Parameter 7 Data bits is automatically set to 8bit;
once the parameter is set automatically, the settings are unchangeable.
The settings of Parameter 5 Baud rate, Parameter 6 Parity and Parameter 8 Stop bits are change-
able.
Type of Com mode
When the Com mode parameter is set to NCP20, set the following parameters.
NIDEK Communication method with DSR/DTR
PC Communication method without DSR/DTR
NCP10 Communication method without DSR/DTR, only output of the
measurement result
NCP20 Communication method by command handshake without DSR/DTR
1 Source 0 to 255, factory setting: 1
2 Destination 0 to 255, factory setting: 0
3 Request 0.1 to 10.0 (seconds), factory setting: 2
4 Reception 1 to 100 (seconds), factory setting: 10
5 Response 0.1 to 10.0 (seconds), factory setting: 2
6 Re-request 0.1 to 10.0 (seconds), factory setting: 2
7 Retry 0 to 5 (times), factory setting: 3
• Addition of CR code
Set the CR code parameter to ON when the communication software on the computer side needs
the CR code to terminate the reception of the character strings. (BASIC language etc.)
The CR code is added to the data sent from the LM; For character strings sent from the computer,
whether the CR code is added or not does not matter.
• To enable communication with a computer, it is necessary to keep consistency in the
settings of communication parameters between the LM and computer.
Before data communication, also confirm the settings of the communication parameters on the
computer side.

5
OUTLINE OF COMMUNICATION: Outline of Communication Function
1
{USB Communication
Among the parameters related to communication, set the two parameters below: The other parame-
ters related to communication have no influence on the data exported through the USB interface.
* The underlined option shows the factory setting.
For the method of setting parameters, see “Setting Parameters” of the LM-500 operator’s manual and
LM-600/600P/600PD operator’s manual.
1 Communication specifications In accordance with the USB V1.1 specifications
(B-type connector on the LM side)
2 Interface cable Standard USB cable (Shield type)
1 Com mode PC, NCP10, NCP20
The NIDEK option is unavailable in USB communication.
2 CR code Off, On

6
OUTLINE OF COMMUNICATION: Outline of Communication Function
{Setting related to the transmission of prism data
Set the Prism Tx parameter to suit the needs for prism data.
* The underlined option shows the factory setting.
This is for selecting whether to transmit the measured prism value.
1.1.2 Installation of the USB driver
The computer needs the USB driver to receive the data measured by the LM-500/600/600P/600PD.
Install the USB driver provided with the USB cable (option) to the computer.
For the USB driver installation procedure, refer to “5. INSTALLATION OF USB DRIVER”
(page 63).
Purchase a program used for data reception by yourself.
1 Prism Tx Off, On, Display
Off The measured prism value is not transmitted at any time.
On The measured prism value is transmitted at all times.
Choose the option to make the external device control and align measured lenses.
Display When the measured prism value is displayed on the screen, it is transmitted. If
not, it is not be transmitted.
• Set the representation form of prism data by setting the Prism parameter.

7
OUTLINE OF COMMUNICATION: Outline of Communication Function
1
1.1.3 Cable connection
Connect signal wires between the LM and the external device as shown above.
Be sure to connect a wire between RTS (7) and CTS (8) on the computer side.
It is unnecessary connect a wire between RTS (4) and CTS (5) on the LM side.
Use the DIN 8-pin connector (DIN Standard No.45329) on the LM side.
In the above example, the D-Sub 9-pin connector is connected to the computer side.
If the used connector is different from the D-Sub 9-pin connector, connect respective signal wires as
shown by referring to the instruction manual provided with the computer.
Use a special interface cable that is available as an option (OPIF-11, 5 m) between the DIN 8-pin and
D-Sub 9 pin connectors if necessary.
1
2
3
4
5
67
8
1
9
5
6
Signal name Signal Connector
Pin No. Connection Connector Pin No. Signal Signal name
11
Transmit exchange
Data TXD 2 2 RXD Received exchange Data
Received exchange
Data RXD 3 3 TXD Transmit exchange
Data
(Ready To Send) RTS 4 4 DTR Data Terminal Ready
(Clear To Send) CTS 5 5 SG Signal Ground
Data Set Ready DSR 6 6 DSR Data Set Ready
Signal Ground SG 7 7 RTS (Ready To Send)
Data Terminal Ready DTR 8 8 CTS (Clear To Send)
Frame Ground FG Housing 9
Housing FG Frame Ground
D-Sub 9P (Female) at the computer side
DIN 8P at the LM side
RS-232C cable (Option: OPIF-11, standard length of 5 m)
<LM-500/600/600P/600PD> <Computer (external device)>

8
OUTLINE OF COMMUNICATION: Outline of Communication Function

9
2
2. DATA FORMAT
2.1 Communication Format
Among transmitted data are commands such as “Request to Send” other than measured data. In a
sequence of transmission of measured data from the LM to the computer etc., the computer transmits
“Send Data command” to the LM, and the LM receives the command and sends “measured data”. The
software on the computer reads the received data strings according to the format information and then
performs necessary processing (display of data on the screen, storage of data on disks, etc.)
* When the Com mode parameter is set to NCP10, the transmission and reception of com-
mands are not performed.
This chapter explains the formats of these commands or measured data.
Symbols other than ordinary characters in commands or data strings are described as “com-
munication control characters” that are commonly used in data transmission.
These signals are added at the start or end of character strings or to delimit data.
Character
name Decimal Hexadecimal Description
SOH 1 01H Start of heading character
STX 2 02H Start of text character
ETB 23 17H End of transmission block
EOT 4 04H End of character string
CR 13 0DH
Means the end of the input character string for some software on
the computer.
The CR code is added to the data output from the LM when the CR
code parameter is set to On.
The CR code is not added to the character strings transmitted from
the computer.
In addition, whether the line feed (LF: 0AH) code is added or not after
the CR code does not matter.

10
DATA FORMAT: Communication Format
2.1.1 Command Format
The commands (control character string) that are transmittable from and receivable by the LM are
described below. These commands reciprocally control the LM and computer to make them transmit
and receive data. The format of a basic command is described immediately below:
(1) RD command (Computer →LM)
Command for the computer to request the LM to save the measured data. The command
corresponds to the actuation of the read key of the LM. The command also holds the values
displayed on the screen. Before making the LM to transmit data to the computer, this com-
mand should make the LM to save the measured data.
(2) SD command (Computer →LM)
Command for the computer to request the LM to transmit measured data. The computer
sends this command to the LM when the computer is ready for the reception of measured
data.
(3) RS command (LM →Computer)
Command for the LM to request the computer to receive measured data and to send the SD
command. The command is used to transmit data with switch operation of the LM.
The computer sends the SD command to the LM when the computer receives the RS com-
mand and is ready for the reception of measured data.
“C**” represents that the LM sends the command to an infinite number of destinations.
SOH C L M STX R D ETB EOT CR : Character string (10 characters in this
case)
01H 43H 4CH 4DH 02H 52H 44H 17H 04H 0DH : Character code (H = Hexadecimal)
The CR code is added.
Characters representing the RD com-
mand
Command to be sent to the LM. “** ” rep-
resents the unspecified commands.
Characters representing a command
SOH C L M STX RDETBEOTCR
01H 43H 4CH 4DH 02H 52H 44H 17H 04H 0DH
SOH C L M STX SDETBEOTCR
01H 43H 4CH 4DH 02H 53H 44H 17H 04H 0DH
SOH C * * STX RSETBEOTCR
01H 43H 2AH 2AH 02H 52H 53H 17H 04H 0DH

11
DATA FORMAT: Communication Format
2
(4) CL command (Computer →LM)
Command for the computer to make the LM clear the data in it.
The command corresponds to the actuation of the clear button / of the LM. This
command also releases the fixed data indication.
(5) AB command (Computer →LM)
Command for the computer to set the abbe number for the LM in accordance with the mate-
rial of the measured lens. This command should be sent before measurements. When the
LM receives the AB command from the computer, the screen of the LM changes to yellow
frame (base color)
If the abbe number is not specified, the LM measures lenses with the abbe number that is
set internally. The abbe number specified by the AB command is in effect until it is reset on
the LM.
nn = Abbe number (20 to 60)
e.g.) 34H, 31H for number 41
SOH C L M STX CLETBEOTCR
01H 43H 4CH 4DH 02H 43H 4CH 17H 04H 0DH
SOH C L M STX A B n nETBEOTCR
01H 43H 4CH 4DH 02H 41H 42H 17H 04H 0DH

12
DATA FORMAT: Data Format
2.2 Data Format
2.2.1 Basic format
The measured data transmitted from the LM is provided below:
The basic data format is described in details.
When the LM receives “SD command”, it sends data out in the following format.
Only when the Com mode parameter is set to “NCP10”, a checksum is added after “EOT”.
The hexadecimal numbers in the low-order two bytes are represented by four-byte ASCII
codes as a simple sum of SOH (01H) at the header of the data to “EOT (04H)”.
Be aware that “CR code (0DH) ” is excluded from the calculation of the checksum.
SOH D L M STX Data ETB CR Data ETB CR Data ETB CR EOT CR
01H 44H 4CH 4DH 02H 17H 0DH 17H 0DH 17H 0DH 04H 0DH
Data character string
Separated by the data type.
The CR codes are added.
Represents “LM data”.
Represents “Data”.
… Data ETB CR EOT CS3 CS2 CS1 CS0 CR
17H 0DH 04H 30H 43H 33H 42H 0DH
Checksum
If the hexadecimal numbers in the low-order two bytes are 0C3BH:

13
DATA FORMAT: Data Format
2
The LM transmits the following types of data. These types of data are output according to the lens
measurement mode, whether the data has been measured or not, and the condition for the lenses
(single, left or right).
{: Output if measured ×: Not output
*1: When there is 2nd addition power, 2nd addition power is output.
*2: In the case of “Single (not the right- nor left-eye lens)” state, only single data is output.
When both left- and right-eye lenses are measured, the data is output in following order:
“Right” “Left”.
In the order of 1) →Right 2) - 5) data →Left 2) - 5) data - 6)
*3: LM-600/600P/600PD only.
*4: LM-600PD only.
Measured lens mode Prism
layout *3
Lens*2
Single
vision Progressive power Contact lens Single Right Left
1) Manufacturer/model name {{{{
Once at the beginning
2) SPH, CYL, AXIS { { {{{{{
3) SE (Spherical Equivalent value) × × {×{{{
4) ADD (1st/2nd addition power) {*1 {××{{{
5) PRISM { { {{{{{
6) PD*4{{ ×{×{{
• Measured data has been rounded off according to the cylinder mode, the indication form of
the measured prism data, and indication step specified on the LM.

14
DATA FORMAT: Data Format
2.2.2 Format of each data
The number inside the parentheses indicates the number of characters transmitted.
(1) Company name / Model name
The name of the manufacturer (NIDEK) and the name of model (LM-500/600/600P/600PD)
are output.
* In the lower line, the ASCII codes are represented by hexadecimals.
1) LM-500
2) LM-600
3) LM-600P
4) LM-600PD
(2) SPH, CYL and AXIS data
Measured data of SPH, CYL, and AXIS are output.
The ETB and CR codes are added to the end (when the CR code parameter is set to On).
(The codes are added to the end of all the following types of data.)
Each measured data is output by fixed digits with the leading digit 0 remaining.
IDNIDEK/LM-500ETBCR
49H 44H 4EH 49H 44H 45H 4BH 2FH 4CH 4DH 2DH 35H 30H 30H 17H 0DH
Company name Model name (LM-500)
IDNIDEK/LM-600ETBCR
49H 44H 4EH 49H 44H 45H 4BH 2FH 4CH 4DH 2DH 36H 30H 30H 17H 0DH
Company name Model name (LM-600)
IDNIDEK/LM-600PETBCR
49H 44H 4EH 49H 44H 45H 4BH 2FH 4CH 4DH 2DH 36H 30H 30H 50H 17H 0DH
Company name Model name (LM-600P)
IDNIDEK/LM-600PDETBCR
49H 44H 4EH 49H 44H 45H 4BH 2FH 4CH 4DH 2DH 36H 30H 30H 50H 44H 17H 0DH
Company name Model name (LM-600PD)
Identification
code
Single “ ” (Space, space)
Right “ R” (Space, R)
Left “ L” (Space, L)
SPH Four digits with a fixed decimal point and with a polarity sign
CYL Four digits with a fixed decimal point and with a polarity sign
AXIS Three-digit integer

15
DATA FORMAT: Data Format
2
1) Example of single data (SPH = +1.00 D, CYL = 0.00 D, AXIS = 0°)
2) Example of Right data (SPH = -11.25 D, CYL = -9.75 D, AXIS = 90°)
3) Example of Left data (SPH = 0.00 D, CYL = +1.50 D, AXIS = 180°)
(3) SE (Spherical Equivalent value, only in the contact lens measuring mode)
Measured of the SE value is output.
Measured data is output by fixed four digits including a decimal point with a polarity sign and
the leading digit 0 remaining.
1) Example of the single data (SE = +2.00 D)
2) Example of the right data (SE = -10.00 D)
+01.00+00.00000ETBCR
20H 20H 2BH 30H 31H 2EH 30H 30H 2BH 30H 30H 2EH 30H 30H 30H 30H 30H 17H 0DH
SPH (6 characters) CYL (6 characters) AXIS
(3 characters)
R-11.25-09.75090ETBCR
20H 52H 2DH 31H 31H 2EH 32H 35H 2DH 30H 39H 2EH 37H 35H 30H 39H 30H 17H 0DH
SPH (6 characters) CYL (6 characters) AXIS (3
characters)
L+00.00+01.50180ETBCR
20H 4CH 2BH 30H 30H 2EH 30H 30H 2BH 30H 31H 2EH 35H 30H 31H 38H 30H 17H 0DH
SPH (6 characters) CYL (6 characters) AXIS
(3 characters)
Identification
code
Single “S ” (S, Space)
Right “SR”
Left “SL”
S+02.00ETBCR
53H 20H 2BH 30H 32H 2EH 30H 30H 17H 0DH
SE (6 characters)
SR-10.00ETBCR
53H 52H 2DH 31H 30H 2EH 30H 30H 17H 0DH
SE (6 characters)

16
DATA FORMAT: Data Format
(4) ADD data
Measured data of the addition power is output.
If the secondary addition power has been measured, the data is sent subsequently to the
primary addition power.
Measured data is output by fixed four digits including a decimal point with no polarity sign
and the leading digit 0 remaining.
If the Near parameter is set to Near SPH, near SPH data is added to the end of the addition
powers.
(Both the addition power and near SPH data are output because some devices recognize
the addition powers (ADD data) only).
Measured data is output by fixed four digits including a decimal point with a polarity sign and
the leading digit 0 remaining.
1) Example of the primary addition power in single data (ADD = + 2.00 D)
2) Example of the primary and secondary addition powers in the right data (ADD = +2.00 D, ADD2
= +2.50 D)
3) Example of the primary and secondary addition powers represented by spherical powers in the
left data
(ADD = +2.00 D, ADD2 = +2.50 D)
(NSPH = -1.00 D, NSPH2 = -0.50 D)
Identification
code
Single “A ” (A, space)
Right “AR”
Left “AL”
Identification
code
Single “N ” (N, space)
Right “NR”
Left “NL”
A02.00ETBCR
41H 20H 30H 32H 2EH 30H 30H 17H 0DH
ADD (5 characters)
AR02.00ETBCR02.50ETBCR
41H 52H 30H 32H 2EH 30H 30H 17H 0DH 30H 32H 2EH 35H 30H 17H 0DH
ADD (5 characters) ADD2 (5 characters)
AL02.00ETBCR02.50ETBCR
→To be
continued
41H 4CH 30H 32H 2EH 30H 30H 17H 0DH 30H 32H 2EH 35H 30H 17H 0DH
ADD (5 characters) ADD2 (5 characters)
NL-01.00ETBCR-00.50ETBCR
4EH 4CH 2DH 30H 31H 2EH 30H 30H 17H 0DH 2DH 30H 30H 2EH 35H 30H 17H 0DH
NSPH (6 characters) NSPH2 (6 characters)

17
DATA FORMAT: Data Format
2
(5) PRISM
Measured data of the prism power is output.
If the PrismTx parameter is set to On, the prism data is output in the format of “BU/D BI/O”
setting (by the rectangular coordinate system).
If the PrismTx parameter is set to Display, the form varies with the prism representation
mode.
When the Prism parameter is set to BU/D BI/O:
Measured data is output by fixed four digits including a decimal point with no polarity sign and the
leading digit 0 remaining.
In addition, a character representing the base direction is added to the end of the measured data.
E.g.:IN 3.00, UP 2.50: 03.00 I 02.50 U
OUT 1.25, DOWN 2.00: 01.25 O 02.00 D
When the Prism parameter is set to P-B:
Measured data is output by fixed digits with the leading digit 0 remaining.
1) Example of single data when the Prism parameter is set to BU/D BI/O:
(PRISM = IN 3.00Δ, UP 2.50Δ)
2) Example of right data when the Prism parameter is set to BU/D BI/O:
(PRISM = OUT 1.25Δ, DOWN 2.00Δ)
Identification
code
Single “P ”(P, Space)
Right “PR”
Left “PL”
Identification
code
Single “P ” “B ” (P, Space) (B, Space)
Right “PR” “BR”
Left “PL” “BL”
PRISM Four digits with a fixed decimal point with no polarity sign
BASE Three-digit integer with no polarity sign
P03.00IETBCRP02.50UETBCR
50H 20H 30H 33H 2EH 30H 30H 49H 17H 0DH 50H 20H 30H 32H 2EH 35H 30H 55H 17H 0DH
PRISM1 (6 characters) PRISM2 (6 characters)
BASE IN BASE UP
PR01 . 25OETBCRPR02 . 00DETBCR
50H 52H 30H 31H 2EH 32H 35H 4FH 17H 0DH 50H 52H 30H 32H 2EH 30H 30H 44H 17H 0DH
PRISM1 (6 characters) PRISM2 (6 characters)
BASE DOWN
BASE OUT

18
DATA FORMAT: Data Format
3) Example of left data when the Prism parameter is set to P-B: (PRISM = 6.5Δ, BASE = 70°)
(6) PD (LM-600PD)
The measured PD data is output.
* This data will not be included in the output unless PD has been measured for both sides.
The data is sent in the order of Total PD (T. PD), Right PD (R. PD) and Left PD (L. PD).
Measured data of the PD is output by fixed three digits including a decimal point.
If T. PD is 100.0 mm or more, 99.9 is output.
Sample of PD data (T. PD= 64.0 mm, R. PD= 31.5 mm, L.PD= 32.5 mm)
PL06.50ETBCRBL070ETBCR
50H 4CH 30H 36H 2EH 35H 30H 17H 0DH 42H 4CH 30H 37H 30H 17H 0DH
PRISM (5 characters)
BASE
(3 characters)
Identification
code PD
PD64.031.532.5ETBCR
50H 44H 36H 34H 2EH 30H 33H 31H 2EH 35H 33H 32H 2EH 35H 17H 0DH
T. PD (4 characters) R. PD (4 characters) L. PD (4 characters)