GXM7S-RS485 [IVO]
Absolute encoders - bus interfaces; 绝对值编码器 - 总线接口
| 型号： | GXM7S-RS485 |
| 厂家： | 
BAUMER IVO GMBH & CO. KG |
| 描述： | Absolute encoders - bus interfaces |
| 文件： | 总4页 (文件大小：648K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Absolute encoders - bus interfaces
End shaft max. ø14 mm
Optical multiturn encoders 13 bit ST / 12 bit MT, RS485
GXM7S - RS485
Features
– Encoder multiturn / RS485
– Optical sensing
– Resolution: singleturn 13 bit, multiturn 12 bit
– End shaft ø12 mm / ø14 mm
– Fieldbus protocol
– Max. 4 bus users
– Bus access according to master/slave principle
Optional
– Integration of customer-specific RS485 protocols
GXM7S with end shaft
Technical data - electrical ratings
Technical data - mechanical design
Voltage supply
10...30 VDC
Housing
Shaft
ø58 mm
Reverse polarity protection Yes
ø12 mm end shaft
ø14 mm end shaft
Consumption w/o load
Initializing time (typ.)
Interface
≤50 mA (24 VDC)
Protection DIN EN 60529 IP 54
250 ms after power on
RS485
Operating speed
≤6000 rpm (mechanical)
≤6000 rpm (electric)
≤0.015 Nm IP 54
20 gcm²
Transmission rate
User address
38.4 kBaud
Starting torque
Rotor moment of inertia
Materials
Coded by connection
8192 / 13 bit
Steps per turn
Number of turns
Absolute accuracy
Sensing method
Code
Housing: steel
Flange: steel
4096 / 12 bit
±0.025°
Operating temperature
-25...+85 °C
-40...+85 °C (optional)
Optical
Relative humidity
Resistance
95 % non-condensing
Binary
DIN EN 60068-2-6
Code sequence
Output circuit
CW/CCW coded by connection
RS485
Vibration 10 g, 16-2000 Hz
DIN EN 60068-2-27
Shock 100 g, 6 ms
Interference immunity
Emitted interference
Approval
DIN EN 61000-6-2
DIN EN 61000-6-4
UL approval / E63076
Weight approx.
E-connection
600 g
Connector or cable
www.baumerivo.com
1
Absolute encoders - bus interfaces
End shaft max. ø14 mm
Optical multiturn encoders 13 bit ST / 12 bit MT, RS485
GXM7S - RS485
Part number
GXM7S.
Accessories
Connectors and cables
10
01
Z 130.001
Z 130.003
Z 130.005
Z 130.007
Female connector M23, 12-pin, less cable
Female connector M23, 12-pin, 2 m cable
Female connector M23, 12-pin, 5 m cable
Female connector M23, 12-pin, 10 m cable
Interface
01 RS485
E-connection
Mounting accessories
A1 Connector M23, 12-pin, radial
21 Cable 1 m, radial
Z 119.024
Torque support and spring washer for
encoders with 9.5 mm pin
End shaft
Z 119.041
Torque support by rubber buffer element for
encoders with 15 mm pin
0
1
B
4
5
F
End shaft ø12 mm without pin
End shaft ø12 mm with pin 15 mm
End shaft ø12 mm with pin 9.5 mm
End shaft ø14 mm without pin
End shaft ø14 mm with pin 15 mm
End shaft ø14 mm with pin 9.5 mm
Z 119.050
Z 119.053
Z 119.070
Z 119.072
Spring coupling
Spring coupling height 19.1 mm
Spring coupling height 29.1 mm
Spring coupling for encoders with ø58 mm
housing, hole distance 73 mm
Z 119.073
Z 119.076
Z 119.082
Spring coupling for encoders with ø58 mm
housing, hole distance 68 mm
Spring coupling for encoders with ø58 mm
housing
Spring coupling for encoders with ø58 mm
housing, hole distance 63 mm
Data transmission format
Basic settings of RS485 serial interface
• 1 start bit
• 8 data bits (least significant bit first)
• 1 stop bit
• Parity none
• Baud rate: 38.4 kBaud
Structur of data fields
Demand from master
SOH 80h ADR 80h EOT
Reply of encoder
SOH EAD MT_H MT_L ST_H ST_L LRC EOT
Explanation
SOH
ADR
EOT
Value = 01h
Address of encoder, value 02h - 05h
Value = 04h
EAD
Bit 0 - 3 response of encoder address (bit 4 -7 not defined)
High byte revolution
MT_H
MT_L
ST_H
ST_L
LRC
Low byte revolution
High byte steps
Low byte steps
EAD XOR MT_H XOR M_T_L XOR ST_H XOR ST_L
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2
Absolute encoders - bus interfaces
End shaft max. ø14 mm
Optical multiturn encoders 13 bit ST / 12 bit MT, RS485
GXM7S - RS485
Terminal significance
Terminal assignment
UB
Encoder voltage supply.
Connector
Pin 1
Core colour Assingment
GND
Encoder ground connection relating to UB.
brown
black
blue
UB
T,R IN
T,R OUT
Serial data lines.
Pin 2
GND
To avoid stub lines the data lines are
guided outside on a pair of 2 wires. The
arriving bus is on T,R+ IN and T,R- IN, the
departing bus on T,R+ OUT und T,R-. If the
encoder serves as bus termination or is
the only user, only the pair of wires T,R+ IN
and T,R- IN is utilized. Note: External
connection of terminating resistor 150 Ω
to final user.
Pin 3
T,R+ IN
Ident 1
T,R- OUT
Ident 2
T,R- IN
Pin 4
beige
green
yellow
violet
Pin 5
Pin 6
Pin 7
Pin 8
brown/yellow UP/DOWN
pink T,R+ OUT
black/yellow Zero setting
Pin 9
Zero setting
Input for setting a zero point anywhere
within the programmed encoder resolution.
The zero setting operation is triggered by a
High impulse and has to be in line with the
selected direction of rotation (UP/DOWN).
Connect to GND after setting operation for
maximum interference immunity. Impulse
duration >100 ms.
Pin 10
Pin 11
Pin 12
–
–
–
–
Please use cores twisted in pairs (for
example T,R+ / T,R-) for extension
cables of more than 10 m length.
8
9
1
10
12
2
3
7
6
UP/DOWN
Ident 1...2
UP/DOWN counting direction input.
This input is standard on High. UP/DOWN
means ascending output data with clock-
wise shaft rotation when looking at flange.
UP/DOWN-Low means ascending values
with counterclockwise shaft rotation.
Ident 1...2 are utilized for setting the en
coder addresses (identifiers). Less poten
tial the inputs are internally against UB
(=“1“) by pull-up resistors what equals
address 2.
11
4
5
Trigger level
Interface
Circuit
Data
Linedriver RS485
Control inputs
Input level High
Input level Low
Input resistance
Input circuit
>0.7 UB
<0.3 UB
10 kΩ
Address
Ident 1
Ident 2
2
1
1
3
0
1
4
1
0
5
0
0
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3
Absolute encoders - bus interfaces
End shaft max. ø14 mm
Optical multiturn encoders 13 bit ST / 12 bit MT, RS485
GXM7S - RS485
Dimensions
15 (9.5)
58
20
60.5
7.5
60.5
7.5
ø14 H7 x 35 (ø12 H7 x 35)
16
12
30
GXM7S connector dimensions
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