Instruction manual

SR84 / SR85, CH33
(E) 17
Model name SR85-XXX
Item
Measuring length (ML) 140 to 3040 mm (24 types)
140, 240, 340, 440, 540, 640, 740, 840, 940, 1040, 1140, 1240, 1340, 1440,
1540, 1640, 1740, 1840, 2040, 2240, 2440, 2640, 2840, 3040
Thermal expansion coefficient 12 ±1 ✕ 10
–6
/
o
C
Output signal Incremental serial bidirectional signal, compliant with EIA-485
For details, see section 3-1, “Scale (SR84/85).”
Accuracy (at 20
o
C) 3 + 3ML/1000 µmp-p or 5 + 5ML/1000 µmp-p
Resolution Selectable from 0.01, 0.05, 0.1, 0.5, and 1.0 µm (set at factory shipping)
Bidirectional reference point • None • Center point • User-selected point (1 mm pitch)
Power supply voltage DC 4.75 - 5.25 V (At cable connection end)
Consumption current 200 mA (at 120
Ω
terminal) or less
Inrush current 2 A max. (When the power supply rising time is 10 ms)
Maximum response speed 180 m/min (User-selected resolution setting)
Vibration resistance 250 m/s
2
(50 Hz to 2 kHz)
Shock resistance 450 m/s
2
(11 ms)
Protective design grade IP54 (Air purge not included), IP65 (Air purge included)
For details, see section 4-1, “Air purge.”
Other protections Oil lubricant can also be used under severe environmental conditions.
For details, see section 4-2, “Oil Lubrication.”
Power supply protection In the case of errors such as a reverse-connected power supply or over-voltage,
the internal fuse is cut to protect the power being supplied and wiring.
Safety standards FCC Part15 Subpart B Class A
ICES-003 Class A Digital Device
EN55011 Gp1 Class A, EN61000-6-2
Safety standards not applicable (60 V DC or less)
Operating temperature range 0 to + 50
o
C
Storage temperature range –20 to +55
o
C
Mass Approx. 1.24 kg + 4.00 kg/m
Slider sliding resistance 1 N
Dimensions See section 6, “Dimensional Diagrams.”
The information here is subject to change without notice. When designing machines, please request the latest
specifications from your nearest sales representative.