Chapter 3 Specifications 3-1 To; General Specifications; Performance Specifications - Hitachi EH-150 Applications Manual

Chapter 3
3.1

General Specifications

The general specifications of this module are show in Table 3.1.
Dielectric withstand voltage
Internal current consumption
Operating ambient temperature
Storage ambient temperature
Operating and storage humidity
Noise resistance
Vibration resistance
Usage environment
Structure
Cooling
Number of modules
I/O assignment method
3.2

Performance Specifications

The performance Specifications of this module are shown in Table 3.2.
Communication
method
Number of ASR connection
H-protocol (Taskcode communication)
Specifications
Table 3.1
Items
Table 3.2 Performance Specifications
Items
Standard for Ethernet
Transmit modulation method
Media access method
Transmit speed
Maximum segment length
Recommended cable
General Specifications
Specifications
250 V DC between the communication signal and case ground (FE)
5 to 95 % RH (no condensation)
Noise voltage 1,500 Vpp, Noise pulse width 100 ns, 1 μs
(Noise created by the noise simulator is applied across the
power supply module's input terminals. This is determined by
this company's measuring methods.)
Static noise: 3,000 V at metal exposed area
Conforms to IEC61131-2
Conforms to IEC60068-2-6
No corrosive gases, no excessive dust
Attaches to an open wall
Natural air cooling
EH-CPU: 2 units / CPU, EHV-CPU: 8 units / CPU
Conforms to IEEE802.3
10 Mbps / 100 Mbps (Auto negotiation)
CAT5 or higher (UTP / STP, straight)
Maximum connection is 6 at once.
Maximum data is 1,454 bytes / each sending or receiving
Maximum connection is 4 at once.
3-1
Chapter 3 Specifications
5 V 470 mA
0 to 55 °C
-10 to 75 °C
COMM
Specifications
Base band
CSMA/CD
100 (m)