80
model 2000 Ethernet Module Operation Manual
Appendix A Specifications
A
Table A-2 General Specifications (EN651, EN651A, EN661)
Item
Specifications
EN651A
EN651
EN661
Working temperature range
(Product ambient temperature)
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)
Current drain
(at rated power input)
1.0 A
(5.0VDC)
1.5A
(5.0VDC)
Power consumption
(at rated power input)
5W or less
9W or less
Insulation resistance (between
signal and F.G.)
10 megohms or more
Dielectric strength (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
Module dimensions
130 (H)
×
35 (W)
×
114 (D) mm
Weight
200g or less
500g or less
Communication interface
100BASE-TX/10BASE-T
Single bus
Dual bus
Backup
• Backup memory:
SRAM 512 kilo-
bytes
• Backup time : 20
hours or more (at
ambient tempera-
ture of 25
o
C)
• Backup memory: SRAM 512 kilobytes
• Backup time : 7 hours or more (at
ambient temperature of 25
o
C)
+12 VDC external power
-