HEIDENHAIN LB 302 User manual

Mounting Instructions
LB 302
LB 382
Singl
e
-
Sectio
n
11/2008
安装说明
单段光栅尺

2
Pag
e
4 Items Supplied/Connecting Cable
6 Mounting Configuration
Mounting
7 Preparatory Work
8 Configuring the Cable Outlet
9 Reference Mark Position LB 302/LB 382
10 Dimensions
12 Mounting Tolerances
13 Securing the Encoder
14 Checking the Encoder
15 Final Steps
16 Linear Error Compensation
17 Tensioning the Scale Tape
18 Protective Measures
Electrical Connection
19 LB 302/LB 302C
21 LB 382/LB 382C
Electrical Data
20 LB 302/LB 302C
22 LB 382/LB 382C
Mechanical Data
23 LB 302/LB 302C
23 LB 382/LB 3
8
2
C
Contents
页
4 自带零件/连接电缆
6 安装形式
安装
7
准备工作
8
调整电缆引线方向
9
参考点位置LB 302/LB 382
10 尺寸
12 安装公差
13 固定光栅尺
14 检查光栅尺
15 最后步骤
16 线性误差补偿
17 张紧钢带光栅尺
18 防护措施
电气连接
19 LB 302/LB 302 C
21
电气参数
20 LB 302/LB 302 C
22
机械数据
23 LB 302/LB 302 C
23 LB 382/LB 382 C
LB 302/LB 302 C
LB 302/LB 302 C
目录

3
DIN EN 61340  5  1
DIN EN 61340  5  2
Note: Mounting and commissioning is to be conducted by
a specialist in electrical equipment and precision mechanics
under compliance with local safety regulations.
Do not engage or disengage any connections while under
power.
The drive must not be put into operation during installation.
Dimensions in m
m
Warnings
注意： 安装和调试任务只能由电气和精密机械专业技术
人员并在符合当地安全法规要求的条件下进行。
带电时，严禁连接或断开任何连线。
安装期间，严禁驱动系统工作。
尺寸单位 mm
提示

4
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IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
IIIIIIIIOIIIIIIOIIIIIIIIIIIIIIII
P
F
(2x)
Items supplie
d
Reference mark slider S1)
Connecting piece A
Plugs PF(replacement)
1) with LB 302/LB 382
Items Supplied/Connecting Cable
自带零件/连接电缆
自带零件
参考点滑架S1)
接头A
塞帽PF（备件）
1) 用于LB 302/LB 382

5
a)
b)
c)
Order cable separately:
a) Adapter cables
b) Connecting cable
Both with or without metal
armor tubing and connector
c) Adapter cables with D-sub
connector
单独订购电缆：
a) 适配电缆
b) 连接电缆
带或不带金属网和接头
c) D-sub接头的适配电缆

6
58
216
Choose a mounting position to
ensure that the scanning unit
cannot touch the end sections.
When mounting vertically,
remove the drain screw if
compressed air is not used.
Moun
t
with sealing lips facing away
fr
om possible sources of
contamination.
Mounting Procedure
选择安装位置，确保读数头不接
触端头。
安装时，必须使密封条背离可能的污染源。
安装步骤
垂直安装时，如果不用压缩空
气，拆下放气螺丝。

7
Loosen screws on shipping
braces slightly. Remove the shipping brace clip.
1.5 ± 0.3
R
1.
2.
Md = 1 Nm
The shipping brace can be used
to adjust the scanning gap
between the scanning unit and
the scale.
Screw on the adapter cables
(1 Nm). Configure the cable such
that the bending radius R is not
smaller than permissible (see
Specifications).
Preparatory Work
轻轻松开安装辅件的螺栓。
安装辅件用于调整读数头与光
栅尺间的扫描间隙。
拆下安装辅件卡子。
拧入适配电缆（1
Nm）。 调整电
缆位置使电缆弯曲半径不小于最小
半径R（参见“技术参数”）。
准备工作

8
DIN EN 61340  5  1
DIN EN 61340
 5  2
Protect the electronics from acc
u
-
mulating electrostatic charge.
A grounded bracelet can ensure
protection during handling.
Detach the cover and (if
necessary) the adapter cables.
5.
4.
3.
180°
1.
2.
2.
1.
Md = 1 Nm
3.
Tilt the printed circuit board down
carefully, pull it out and rotate it
by 180°. Insert board connector
side first. Do not pinch the
wires.
Then attach cover and adapter
cables again (1 Nm).
Changing the Cable Outlet
改变电缆引线方向
确保电子设备无静电。
操作期间，戴上接地手链确保无静
电。
小心使印刷电路板朝下方，拉出
印刷电路板并将它转动180°。 先
插入电路板接头端。 禁止捏紧电
线。
打开读数头盖子和（根据需要）
拔出适配电缆。
然后再安装盖和连接适配电缆（1
Nm）。

9
50 50 50 50 50 50 50 50 50 50
ML/2
58
A refere
n
ce mark can be activate
d
at any mounting hole and at
intervals of n x 50 mm therefrom.
As delivered, the reference mark
is activated at the midpoint of the
measuring length ML.
RM
RM
RM
S2.
R
Indicate the desired reference mark position by affixing the RM label on
the housing.
Carefully insert reference mark slider through the sealing lips and move
the selector plate to the desired position.
Reference Mark Position LB 302/LB 382
参考点位置 LB 302/LB 382
参考点可设置在任何一个固定孔
位置处和距固定孔n x 50 mm的位
置处。
交货时，参考点设置在测量长度
的中点位置处。
在所需参考点位置处的光栅尺外壳上固定一个RM标签以示参考点。
小心插入参考点滑架使其穿过密封条和使选择板运动至所需位置处。

10
d
0.1 F
76±0.2 k 7
88
ML + 276
50
M5
0.05
0.3 25
50
25
28
SW3
d
85
0.1 F
ML
58±2
40±0.2
k
25
40
17
8.5
ML/2
r
25
0.3 F
(n x 200) ±0.15
k
80±0.15
k
63
58.5
98
200±0.15
k
(168)
18
s
c
5
40.08
160
80
0
40.04
35
105
F= Machine guidewa
y
k=Required mating
dimensions
d= Compressed air inlet
r= Reference mark positio
n
LB 302/LB 382
c= Reference mark position
LB 302C/LB 382C
s= Start of measuring length ML
Dimensions, Standard Version
mm
ISO 2768 - m H
< 6 mm: ±0.2 mm
尺寸，标准版
F = 机床导轨
k = 要求配合尺寸
d = 压缩空气进气口
r = 参考点位置
LB 302/LB 382
c = 参考点位置
LB 302C/LB 382C
s = 测量长度ML起点
公差 ISO 8015

11
d
58.5
d
0.1 F
ML
128±2
40±0.2 k
25
40
17
8.5
ML/2
r
25
63
s
c
5
40.08
160
80
0
40.04
(n x 200) ±0.15 k
80±0.15 k
(98)
200±0.15 k
168
35
85
105
18
0.3 F
76±0.2 k 7
88
ML + 276
50
M5
0.05
0.3 2525
0.1 F
28
50
SW3
F= Machine guidewa
y
k=Required mating
dimensions
d= Compressed air inlet
r= Reference mark positio
n
LB 302/LB 382
c= Reference mark position
LB 302C/LB 382C
s= Start of measuring length ML
Dimensions, Mirror-Imaged Version
mm
ISO 2768 - m H
< 6 mm: ±0.2 mm
尺寸，镜像版
F = 机床导轨
k = 要求配合尺寸
d = 压缩空气进气口
r = 参考点位置
LB 302/LB 382
c = 参考点位置
LB 302C/LB 382C
s = 测量长度ML起点
公差 ISO 8015

12
10±0.3
// 0.1 F
79±0.3
62±0.3
0.1
// 0.1 F
15±0.3 25±0.2
// 0.3
0.05 F
// 0.1
45±0.3
// 0.1
k
k
k
kk
k
Mounting possi
b
ilities and tolerance
s
F= Machine guideway
k= Required mating dimensions
1±0.3
a1
a2
1.5±0.3
A horizontal mounting attitude is
possible. The scanning gap a must be
maintained over the entire
measuring length ML. The gap
can be set with the shipping
brace (a1) or the mounting gauge
(
a
2
) (ID 647 93
3
-
01).
Mounting Tolerances
安装公差
安装位置和公差
F = 机床导轨
k = 需要的配合尺寸
允许水平方向安装。 必须确保在整个测量长度（ML）
上扫描间隙保持一致。 用安装辅
件（a1）或安装量规（a2）调整扫
描间隙（ID 647 933-01）。

13
40
80
25
ML+276
M5[M6]
M6
M6 x 35
M5 x 50(55)
[M6 x 50(55)]
12 mi . B5.3 DIN 125
[B6.4 DIN 433]
10 mi .
M6
M6 DIN 555
Drill and tap fixing holes. Remove
paint from mounting surface. Secure the encoder. Attach screws loosely.
M5
8
Mounting possibility on the cover
of the scanning unit. Attach
screws loosely.
Mounting
钻固定孔和攻丝。 清除安装面油
漆。
固定光栅尺。 拧上但不拧
紧螺栓。
读数头盖上的安装位置。 拧
上但不拧紧螺栓。
安装

14
// 0.3 F
// 0.1
Align the encoder.
Gauging position at the ends.
Further gauging positions at
regular intervals.
Number of measuring points:
Up to ML 840: 2
Up to ML 1740: 3
Up to ML 3040: 4.
Check parallelism to machine
guideway F.
Tighten screws evenly:
M5: 5 Nm; M6: 8 Nm.
Check parallelism of side surface
of scanning unit to the scale
mounting surface.
Checking the Encoder
找正光栅尺。
两端测量点。 其它测量点在
等间距位置。
测量点数：
最大测量长度ML 840: 2
最大测量长度ML 1740: 3
最大测量长度ML 3040: 4.
检查与机床导轨F的平行度。
均匀紧固螺栓： M5: 5 Nm; M6: 8
Nm.
检查读数头端面与光栅尺安装面
的平行度。
检查光栅尺
检查光栅尺

15
W
Slide shipping braces away from
scanning unit and remove them.
Check the shielding by measuring
the resistance between
connector housing and scale.
Desired value: 1
Ω max.
Check mounting tolerances and
functioning of encoder over the
entire traverse range.
Final Steps
最后步骤
使安装辅件离开读数头，将其
拆下。
测量接头外壳与光栅尺间电阻，检
查屏蔽情况。
允许值： 1 Ω max.
检查安装公差和光栅尺在整个运
动行程上的工作情况。

16
200µm
200µm
F
1m
2m
3m
200µm
200µm
F
1m 2m 3m L
L
0
0
Laser
HEIDENHAIN
LB
HEIDENHAIN
A
B
C
0.000
HEIDENHAIN
A
B
C
0.084
A linear error compensatio
n
of
up to ± 100 µm can be applied to
the entire measuring length with
the tape tensioning device.
Set up a comparator system (suc
h
as a laser interferometer) in the
workpiece plane and measure the
machine tool.
PF
K
X
Kµm = X
K
m L
K
µm/m
Remove plug
P
F. Calculate compensation value K:
measure distance XKand multiply
with linear compensation value L
K
(from measurement of machine).
Linear Error Compensation
如果钢带光栅尺有钢带张紧装
置，测量长度全长的最大线性误
差补偿值可达± 100 µm。
拆下塞帽PF。计算误差补偿K：
测量距离XK和乘以线性误差
补偿值LK（机床测量值）。
将比较仪系统（例如激光干涉
仪）安装在工件平面上和测量机
床。

17
HEIDENHAIN
A
B
C
2.125
P
F
Increase the tape tension until
the display shows the value
previously calculated.
Now replace plug
P
F.
Tensioning the Scale Tape
张紧钢带光栅尺
增加钢带光栅尺张力直到显
示值等于刚才的计算值。
安装回塞帽PF。

18
tab 2: class 1
tab 3: class 4
tab 4: class 1
ISO 8573-1: 1995
If there is signific
a
nt danger of
contamination, fit a protective
cover over the encoder with a
seal between it and the mounting
surface.
Compressed air: 14.5 psi only via
connecting piece.
Use only clean, dry air.
oder
or
DA 300
lD 348 249-01
IP 64
DA300
HEIDENHAIN
Connection of compressed
a
ir at
scanning unit.
Compressed air unit available as
accessory.
Connect compressed air at scale
end sections.
Protective Measures
Plastic tubing
¬ 6 x 1 mm
防护措施
如果光栅尺使用环境受污染可能
性高，在密封条和安装面间的全
长上安装一个防护盖，保护光栅
尺。
压缩空气： 14.5 psi，只允许用接
头连接。
只允许使用干燥干净空气。
塑料管¬ 6 x 1 mm
将压力空气连接至读数头。
压缩空气装置是附件。
将压缩空气连接至光栅尺端头。

19
7
6
5
4
2
8
9
3
1
1 2 5 6 7 8 3 4
Housing 9
6 1 8 3 9 5 7 2
Housing 4
I
1I 2I 05 V 0 V
+
–
+
–
+
–
UPUNExt. shiel
d
Int. shiel
d
Green Yellow Blue Red Gray Pink Brown White White/Brown
EN 50 178; PELV : EN 60 204-1
For general eletrical information, refer to the HEIDENHAIN brochure
Electrical Connection LB 302/LB 302C
Noise sources
绿色 黄色 蓝色 红色 灰色 粉色 棕色 白色 白色/棕色
外屏蔽 内屏蔽
壳
壳
噪声源
一般电气信息，参见海德汉样本
电气连接 LB 302/LB 302 C
9针海德汉接头 9针D-sub接头

20
Power supply 5 V ± 5 %/100 mA (with no load
)
I1
360° el.
0
0
0
I2
I0
90° el.
Output signal
s
I1
360° el.
0
0
0
I2
I0
90° el.
Incremental signal
s
2 sinusoidal signals
I
1and
I
2
Signal amplitude wit
h
1 kΩload
I
1: 7 to 16 µ
A
PP
I2: 7 to 16 µAPP
Reference mark signa
l
One (LB 302) or several (
L
B 302 C
)
signal peaks
I
0
Signal amplitude wit
h
1 kΩload
I
0: 2 to 8 µA (usable component
)
Cable lengt
h
to subsequent
electronics Max. 30
m
Electrical Data LB 302/LB 302C
电气参数 LB 302/LB 302 C
电源 5 V ± 5 %/ 100 mA（无负载）
输出信号
增量信号 两路正弦信号I1和I2
1 kΩ负载时信号幅值 I1: 7至16 µAPP
I2: 7至16 µAPP
参考点信号 一个（LB 302）或多个（LB 302 C）
信号峰值I0
1 kΩ负载时信号幅值 8 µA（可用分量）
连接后续电子设备的电缆长度 Max. 30 m
I0: 2至