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Appendix A Specifications
A.1 General Specifications
Table A-1 General Specifications (EN711, EN721, EN731, EN741)
Item
Specifications
EN711 EN721 EN731 EN741
Working temperature range
(Product ambient temperature)
Vertical installation: 0 to 55
o
C
Horizontal installation 0 to 40
o
C (With forced air cooling: 0 to
55
o
C)
Working humidity range 10 to 95% RH (No condensation)
Storage temperature range
-25 to 70
o
C
Storage humidity range 5 to 95% RH (No condensation)
Source voltage range 4.75 to 5.25 VDC (Rated:5.0VDC)
3.0V to 3.6VDC (Rated:3.3VDC)
Current drain
(at rated power input)
1.1 A or less
(5.0VDC)
1.3 A or less
(5.0 VDC)
1.5A or less
(5.0VDC)
1.7 A or less
(5.0 VDC)
Power consumption
(at rated power input)
6.5W or less 7.5 W or less 8.6W or less 9.6 W or less
Insulation resistance
(between signal and F.G.)
10 megohms or more
Withstand boltage
(between signal and F.G.)
500 VAC for 1 minute
Dust
0.3 mg/m
3
or less
Vibration resistance
4.9m/s
2
1.5mm
p-p
Shock resistance
19.6m/s
2
(3 times without power supply)
Grounding Class D (Grounding resistance: 100 ohms or less)
Cooling Natural air cooling or forced air cooling
Module dimensions 249 (H) × 35 (W) × 112.7 (D) mm
Weight 500g or less 550g or less 500g or less 550g or less
Communication interface 10BASE5
Single bus
10BASE5
Dual bus
10BASE2
Single bus
10BASE2
Dual bus
Backup • Backup memory: SRAM 512 kilobytes
• Backup time : 24 hours or more (at ambient temperature of
25
o
C)
+12 VDC external power +12.0 VDC +/-5%, 0.5 A/ch maximum (Applicable to EN711 and
EN721)