1034793-02_800_series_en.pdf - 第9页
9 MODULARITY Model 841 Flameproof hollow shaft encoder intended for use in potentially explosive atmospheres. Certied to be used on most markets. Certication with temperature class T amb °C Rpm max II 2G Ex db IIC T6 I…
8
Model 861
Hollow shaft encoder.
Model 862
Extra robust hollow shaft encoder with ceramic bearings for extended lifetime.
Model 865
Dual hollow shaft encoder. Redundant scanning sensors and two separate electronic
circuits with galvanically insulated outputs. Ceramic bearings available as option.
Ø92
max 53
Ø12 G7
2 Ø92
70 1
4x M5
Depth 8
17 17
4x M5
Depth 6
53.6
72
Ø99.5
M8 (Only for dismounting)
9
MODULARITY
Model 841
Flameproof hollow shaft encoder intended for use in potentially explosive
atmospheres. Certied to be used on most markets.
Certication with
temperature class Tamb °C Rpm max
II 2G Ex db IIC T6
II 2D Ex tb IIIC T85°C -40°C…+40°C 4200
II 2G Ex db IIC T5
II 2D Ex tb IIIC T100°C -40°C…+60°C 4200
II 2G Ex db IIC T5
II 2D Ex tb IIIC T100°C -40°C…+70°C 1500
II 2G Ex db IIC T4
II 2D Ex tb IIIC T135°C -40°C…+70°C 6000
22.5
72
2
88
59.5
Ø92
40
4x M5
Ø12 G7
Ø107
4x M5
Ø100
10
Square wave signals
Interface TTL RS 422 HTL HCHTL
Supply
5 Vdc 9-30 Vdc 9-30 Vdc 9-30 Vdc
Output signal
5 Vdc 5 Vdc 9-30 Vdc 9-30 Vdc
Suitable for
Low frequencies over
short cables
High frequencies over
long cables
High frequencies over
medium-length cables
Medium frequencies
over long cables
Max frequency
200 kHz 200 kHz 200 kHz 200 kHz
Max cable length
50 m at 50 kHz 1000 m (TiA/EIA -
422-B)
100 m at 100 kHz 350 m at 100 kHz
Dual outputs
Two separate encoders can be combined into one and the same cover.
This solution provides added safety in the form of redundancy, the outputs are
based on two separate scanning LED:s and electronic circuits. The outputs are
galvanically insulated from each other and may be connected to two separate
systems for dierent functions or for redundancy.
Available in model 855 and 865
Electronics
2 (S00)
2 (S00)
1 (S90)
1 (S90)
0 (S ref)
0 (S ref)