Mirion Technologies LDM 320 User manual

LDM 320
User's
Manual
Dosimetry
Hands-Free Reader
150532EN-C

Revision Log
Rev. Date Verified by Approved by Origin and description of
revision Revised pages
A — — — Not issued —
B 16/02/2012 Perez J Salle JL. Translation of the French version —
C 2012–06 Perez J Salle JL. DEVS20569: All document
updated All
LDM 320 Revision Log
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Perez J
Salle JL.

Table of Contents
1. Introduction 1
1.1. Related Documents and Product References 1
1.2. Associated Software 1
2. Description 2
2.1. Product Description 2
2.2. General Reader Operation 3
2.3. LDM 320 Block Diagram 4
2.4. Reader Operating Modes 4
2.4.1. Normal Operating Mode 5
2.4.2. Specific Mode 5
2.4.3. Test Modes 5
2.4.4. Downloading and Programming Mode 5
3. Installation, Connection and Start-up 6
3.1. Hardware Installation 6
3.1.1. Installation 6
3.2. Installation of USB Driver 7
3.2.1. Checking the LDM 320 Driver Installation 8
3.2.2. Installation of LDM 320 for Windows XP 9
3.2.3. Installation of LDM 320 for Windows Seven 12
4. Operation 15
4.1. Setting Up the LDM 320D 15
4.2. Setting Up the LDM 320W 16
4.2.1. Wall-Mounting Several LDM 320W Readers 16
4.2.2. Installing a Dosimeter Rack 17
4.3. Operating significance of the lights 18
5. Maintenance 19
5.1. Failure Analysis 19
5.2. Replacement of Sleeve 19
6. Characteristics 21
6.1. Physical Characteristics 21
6.1.1. LDM 320D 21
6.1.2. LDM 320W 21
6.2. Electrical Characteristics 21
6.3. Environmental Conditions 22
6.4. USB Link 22
6.5. Extension Connector 23
7. Spare Parts and Accessories 25
7.1. Spare Parts 25
8. Glossary 26
Table of Contents LDM 320
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9. Certificate 27
LDM 320 Table of Contents
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1. Introduction
1.1. Related Documents and Product References
Designation Reference
Mounting Assembly LDM 320D 147636
Mounting Assembly LDM 320W 150518
LDM 320D 150534
LDM 320W 150517
Note: The LDM 320S (ref 149119) was designed specifically to operate in a strong magnetic
background.
1.2. Associated Software
Designation Reference
DMCUser basic Package (Single User) 154646
DosiCare Package 135380
LDM 3000 SW Package 131385
DosiServ Contact MRION Technologies
Sentinel HEH-8013
Smart Turnstyle HEH-5008
DMC Viewer HEH-8020
LDM 320 Introduction
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2. Description
2.1. Product Description
Both of these hands-free readers are interface hardware which provide a centralized system
(DOSICARE, DOSISERV and SENTINEL or configuration software (such as DMCUser)) to
communicate with DMC 2000, DMC 3000 and SOR dosimeters.
The LDM 320 is connected to a USB port of a PC. It is available in two versions:
Desk version (LDM 320D):
Figure 1 - LDM 320D
Description LDM 320
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Wall mount version (LDM 320W):
Figure 2 - LDM 320W
2.2. General Reader Operation
The dosimeter reader is connected to a "host" PC through a USB link.
Users operate the reader by computer via a USB cord. Most commands are intended for
communication with a dosimeter present in the reader coverage area.
Dosimeter reader typical use:
"Office" use: The reader is used to configure the dosimeters and ommunicate to the PC
the dosimeter's stored measurements and event histories.
"Access control" use: The reader is used to identify presented dosimeters, check them
for good condition, switch them to "Measurement" (Run) mode at "area entry" and to
"Pause" mode at "area exit", and retrieve their essential data (doses, dose rates, etc.).
LDM 320 Description
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2.3. LDM 320 Block Diagram
Figure 3 - Block Diagram
2.4. Reader Operating Modes
The reader has several operating modes. Switching from one mode to another is done via
computer. Upon power-on, the reader starts in the mode indicated by the associated
configuration parameter.
The following modes are available for use:
Normal mode
Specific mode
"Test" modes
Downloading and Programming mode
Description LDM 320
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2.4.1. Normal Operating Mode
This is the reader operational functioning mode. In this mode the reader operates as a slave
to the PC:
It retrieves the PC commands.
It searches for dosimeters.
It runs the commands (reading or writing dosimeter information or parameters).
It sends a report to the PC.
2.4.2. Specific Mode
This mode is reserved for specific autonomous applications.
2.4.3. Test Modes
These test modes are intended to check reader integrity (Factory use only.)
"Antenna tuning" test mode
"AGC programmable amplifier" test mode
"Autonomous" test mode
MMI and digital input/output test mode
2.4.4. Downloading and Programming Mode
This mode is used to update the reader firmware (Factory use only.)
LDM 320 Description
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3. Installation, Connection and Start-up
Keep the reader away from sources of electromagnetic fields
(f = 125 kHz: video terminals, power supplies, rotary machines, etc.).
Install readers in accordance with §4 recommendations.
To install and start up the LDM 320, take the following steps:
Install the software on the PC.
Connect the reader to the PC.
3.1. Hardware Installation
The LDM 320D does not require any installation as it only has to be placed on a desk
and connected to a PC through a USB cable.
The LDM 320W must be wall-mounted through the support plate. It is also connected to
a PC through a USB cable.
The USB cable can be positioned as follows:
by passing it behind the reader, through the partition by drilling a hole for this purpose, or
by passing it outside, through the notch at the bottom of the reader.
3.1.1. Installation
Remove the wall mount from the LDM 320W by unscrewing the four side screws.
Attach the plate to the wall via back-facing holes using four screws (not supplied).
Installation, Connection and Start-up LDM 320
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Figure 4 - Back-facing Screw Holes
Then secure the reader using the attaching plate (located behind the reader) to the wall
mount by screwing it in on both sides (four 4x10 CHCM screws).
Figure 5 - Mounting Reader
3.2. Installation of USB Driver
Some software programs such as DMCUser automatically install the USB driver specific to
the LDM 320 readers.
In the event of malfunction (hardware type not detected), the driver can be checked for
correct installation by using the instructions below.
LDM 320 Installation, Connection and Start-up
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3.2.1. Checking the LDM 320 Driver Installation
In order to check this driver for correct installation, follow the instructions below:
Connect the LDM 320 reader to the computer USB port once the driver is installed.
Using Windows, select the "Workstation" and right-click with the mouse.
Select "Properties." The "System Properties" screen will display.
Select the "Hardware" tab and then "Device Manager."
Drop down the list of Ports (COM and LPT) and check that the two "USB Serial Ports
(ComX)" are present.
Note: X designates the port number used. It may differ with the PC and available ports. It
represents ports 3 and 4 in this example.
Note: When you disconnect the LDM 320, the COM Device Port disappears.
When you reconnect the LDM 320, the COM Device Port reappears.
Installation, Connection and Start-up LDM 320
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3.2.2. Installation of LDM 320 for Windows XP
The USB driver for the LDM 320 must be installed for Windows XP.
In some cases, after the first LDM 320 connection, Windows XP automatically installs a
"Human Interface Devices (HID)" driver. This device does not support the LDM 320.
Drivers are available on request from Mirion Technologies (MGPI) or by downloading it from
the following address:
http://www.mirion-hp.com/support
Once the file is recovered, create a folder, and uncompress the compressed file into this
folder.
Connect the LDM 320 to a USB port. The computer will recognize a new device:
LDM 320 Installation, Connection and Start-up
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Click "Next" and indicate the access path to the uncompressed folder.
Installation, Connection and Start-up LDM 320
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Once this operation is completed, the following screen will appear:
Once the installation is complete, the computer will again detect a new "USB Serial Port"
device.
The LDM 320 is ready for use when the last screen indicates that the installation is
completed.
LDM 320 Installation, Connection and Start-up
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3.2.3. Installation of LDM 320 for Windows Seven
The USB driver for the LDM 320 must be installed for Windows Seven.
Drivers are available on request from Mirion Technologies (MGPI) or by downloading it from
the following address:
http://www.mirion-hp.com/support
Once the file is recovered uncompress the file into a folder.
Connect the LDM 320 to a USB port. The computer will recognize a new device.
Note: If Windows does not self start any installation procedure, open the Device Manager and
apply the following procedure to install the driver.
Right-click on "Dual RS232" and then "Update Driver.”
Search for the downloaded and uncompressed driver and then click "Next."
Installation, Connection and Start-up LDM 320
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A security window should appear. Click "Install."
The port A driver is successfully installed.
Once the port A driver is installed, repeat the same procedure for port B.
The LDM 320 is ready for use.
LDM 320 Installation, Connection and Start-up
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Installation, Connection and Start-up LDM 320
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4. Operation
4.1. Setting Up the LDM 320D
It is recommended to place the dosimeter on the reader, in the notch provided for this
purpose, as represented below:
During the exchanges between the reader and dosimeter, move other dosimeters at least 30
cm away from the reader.
Figure 6 - Minimum Distance
LDM 320 Operation
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4.2. Setting Up the LDM 320W
The LDM 320W readers feature a sleeve designed to accommodate the following
dosimeters:
DMC 2000
DMC 3000
SOR/R
SOR/T
IPAM-Tx, complete with dosimeter
Figure 7 - DMC 3000 with and iPAM-Tx
4.2.1. Wall-Mounting Several LDM 320W Readers
It is recommended to install the readers 1 meter apart when working with DMC 2000
dosimeters and 40 cm apart when working with DMC 3000 dosimeters.
Figure 8 - Minimum Distance between Readers
Operation LDM 320
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