Chapter 9. SPECIFICATIONS
9 - 1 General Specifications
9-1
■
Electrical specifications
■
Environmental specifications
■
Mechanical specifications
*If the screws are tightened too strongly, the
EST
may be damaged.
Items
Specifications
Power supply voltage
24Vdc ±15% (20.4 to 27.6V)
Current
1A or less
Withstand voltage
500Vac for 1 min. (Power supply - FG, signal cables - power supply /FG)
Insulation resistance
More than 10M
Ω
(500Vdc)
(Power supply - FG, signal cables - power supply /FG)
Grounding
Less than 100
Ω
Items
Specifications
Storage temperature
-20 to +60°C
Operating temperature range
0 to 50°C
Storage and operating humidity
30 to 85% RH, non-condensing
(In case the ambient temperature is 40°C or more, the storage and operating
humidity should be same as the absolute humidity at 40°C85%)
Storage and
No presence of corrosive gas
operating atmosphere
Vibration resistance
Conforms to JIS C0911, the equipment is exposed to 10 to 55Hz vibrations,
9.8m/s
2
in X, Y and Z directions, single sweep: 6 minute., 2 hours in each
direction
Impact resistance
Conforms to JIS C0912: 98m/s
2
for 20ms or less
Noise resistance
DC power supply ±1000V, 100ns to 1µs (using impulse noise simulator )
Degree of protection
IP65(dust-protected, water-proof)
Items
Specifications
External dimensions
140(H)
×
210(W)
×
71.2(D)[mm]
Mass
1.3kg
Mounting Structure
Vertical panel mounting, secured by auxiliary mounting brackets from backside
Cooling
Natural convection
Torque of terminal block screws
Recommended torque: 0.5N·m
Torque of rear cover
Recommended torque: 1.2N·m
Tightening of EST body metal
Turn screws an extra half to 1 turn when the EST is seated.
fittings*
Applicable standards
EN50081-2,EN61000-6-2
