When embedding the V680-D1KP52MT into a metal surface, use the V680-HS51, V680-HS52 Antenna.
Transmission will not be possible if the V680-HS63 Antenna is used.
V680-HS52V680-D1KP52MT
V680-HS52
V680-HS63V680-D1KP52MT
V680-D1KP52MT embedded in
metal (steel)
Read0.5 to 6.5 mm (Axis offset: ±2 mm)
Write0.5 to 6.0 mm (Axis offset: ±2 mm)
Read0.5 to 3.5 mm (Axis offset: ±2 mm)
Write0.5 to 3.0 mm (Axis offset: ±2 mm)
Read0 to 9.0 mm (Axis offset: ±2 mm)
Write0 to 8.5 mm (Axis offset: ±2 mm)
Read0 to 4.5 mm (Axis offset: ±2 mm)
Write0 to 4.0 mm (Axis offset: ±2 mm)
Read0 to 12.0 mm (Axis offset: ±2 mm)
Write0 to 9.5 mm (Axis offset: ±2 mm)
• Measurement Conditions
RFID System
44
User's Manual
Section 3
Read
Write
−15−10−50 5−1015
Y
X
Y
X
V680-HS51 & V680-D1KP52MT
X Axis
Y Axis
0
5
10
15
(Unit: mm)
Read
Write
−15−10−50 5−1015
X Axis
Y Axis
0
5
10
15
(Unit: mm)
V680-HS51 & V680-D1KP52MT
Embedded in Metal (Steel)
V680-HS52 & V680-D1KP52MT
X Axis
Y Axis
V680-HS52 & V680-D1KP52MT
Embedded in Metal (Steel)
−25 −20 −15 −10 −50 510152025
0
5
10
15
20
25
30
(Unit: mm)
Read
Write
Y
X
X Axis
Y Axis
−25 −20 −15 −10 −50 510152025
0
5
10
15
20
25
30
(Unit: mm)
Read
Write
Y
X
V680-HS63 & V680-D1KP52MT
X Axis
Y Axis
−25 −20 −15 −10 −50 510152025
0
5
10
15
20
25
30
(Unit: mm)
Read
Write
Y
X
Communications Specifications
Communications Area (Reference)
The communications areas given here are for reference only. For information on communications distances, refer
to p.44.
The communications area depends on the type of ID Tags used, the ambient temperature, surrounding metals,
and noise. Be sure to check carefully when installing the system.
The communications areas given here are for reference only. For information on communications distances, refer
to p.52.
The communications area depends on the type of ID Tags used, the ambient temperature, surrounding metals,
and noise. Be sure to check carefully when installing the system.
52
RFID System
User's Manual
Communication Time (Reference)
)
Communications Time (Reference)
Communications Time
V680-HA63A:V680-HS@@:V680-H01-V2:V680-D1KP@@
Communications
speed setting
Normal modeReadT = 1.3 N + 31
High-speed mode
(See note.)
Note: When using multi-access or FIFO communications options, normal-mode communications speed will be
used regardless of the high-speed mode setting.
Note: The high-speed mode cannot be used when SW1-1 on the V680-H01-V2 Antenna is turned ON.
CommandCommunications time
N: No. of bytes processed
Write (with verification)T = 2.1 N + 58
Write (without verification)T = 1.8 N + 56
ReadT = 1.0 N + 29
Write (with verification)T = 1.8 N + 51
Write (without verification)T = 1.5 N + 47
Section 3
Communications Specifications
Section 3 Communication Time (Reference)
Communications speed: Normal modeCommunications speed: high-speed mode
2,500
2,000
Write (with verification)
1,500
1,000
Communications time (ms)
500
0
200400
Reading
800 1,000
600
No. of bytes (byte)
Write
(without verification)
1,200
2,000
1,800
1,600
1,400
1,200
1,000
Communications time (ms)
800
600
400
200
0
Write (with verification)
200400
Reading
800 1,000
600
No. of bytes (byte)
Write
(without verification
1,200
RFID System
User's Manual
53
Section 3
Maximum speed =
D (Distance travelled in communications area)
T (Communications time)
Y
−50 −40 −30 −20 −10 010 20 30 40 X
(Unit: mm)
50 mm
X
Y
40
30
20
10
50
=
Distance travelled in communications area
Communications time
50 (mm)
363.8 (ms)
= 8.24 m/min
Communications Specifications
Calculating Tag Speed
When communicating with a moving Tag, specify an AUTO command or POLLING command.
The maximum speed for communicating with the Tag can be calculated simply using the following formula.
D (Distance travelled in communications area) is calculated from the actual measurement or the communications area between the Antenna and Tag.
Section 3 Communication Time (Reference)
Y
Communications area
X
Y
Direction of travel
D
X
Unit: mm
Calculation Example
In this example diagram, the V680-D1KP66T, V680-HA63A, and V680-HS63 are combined and 256
bytes are read.
This diagram shows the following:
Distance travelled in communications area (D) = 50 mm when Y (communications distance) = 20 mm
Communications time, T = 1.3N +31 = 1.3 × 256 + 31 = 363.8 (ms)
Accordingly, the movement speed in this case will be as follows:
Note 1. The distance travelled in the communications area depends on the read/write distance and the
axis offset. Refer to the diagrams in Communications Area.
2. The speed of the Tag is provided as a guideline. Before using the RFID System, run a test to
3. The above values do not take into account the processing of errors in communications with the
54
RFID System
User's Manual
determine the speed under actual operating conditions.
host device or Tags.
Section 4
Installation
Installing Antennas56
Mounting Amplifiers65
Installing Tags67
Section 4Installation
RFID System
User's Manual
55
Section 4
12
+0.5
0
Mounting Hole Dimensions
dia.
22
+0.5
0
Mounting Hole Dimensions
dia.
Installation
Installing Antennas
V680-HS51
Install the Antenna using the nuts and toothed washers that are provided on both sides of the mounting
material, as shown in the diagram below.
Antenna
Material
Nuts
Section 4 Installing Antennas
Securely tighten the screws to a maximum torque of 6 N⋅m.
Toothed washer
V680-HS52
Install the Antenna using the nuts and toothed washers that are provided on both sides of the mounting
material, as shown in the diagram below.
When the Antenna is mounted to a metal object, the communications distance will be reduced by approximately 10%
compared with mounting to a non-metallic object. For details on the effect of metal surrounding the Antenna, refer to
Effect of Surrounding Metals on the Antenna (Reference) on page 61.
P. 6 1
Non-metallic material
Nuts
Antenna
RFID System
56
User's Manual
Toothed washers
Securely tighten the screws to a maximum torque of 40 N⋅m.
V680-HS63
28+0.2
40
27
53
Coil center
Two, M4 holes
28+0.2
A
27
Nut
Two, 4.5 dia. holesCoil center
Installation from the Front
Installation from the Back
Insert the nuts that come with the Antenna into sections A.
Section 4
Installation
Section 4 Installing Antennas
Securely tighten screws to a maximum torque of 1.2 N⋅m.
RFID System
User's Manual
57
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