Chapter2 Specifications; Basic Specifications - Hitachi H Series Instruction Manual

Chapter 2 Specifications

2.1 Basic specifications

Items
Operating
temperature
Storage temperature
Operating humidity
Storage humidity
Consumption current
Dimensions
Mass
No. of connected link
modules
No. of mounted units
No. of link points *1
Data delivery system
Data area allocation
send/receive
distinction
Designation of
station No.
Transfer rate
Transfer method
Communication
method
Modulation method
Refresh time
Error check
Self-diagnosis
Items
Coaxial CPU Link
LINK-SH
20 to 90％ RH (without condensation)
10 to 90％ RH (without condensation)
5 V DC, Less than. 400 mA
35 W × 210 H × 130 D [mm]
MAX 64 units per system
MAX 2 units per CPU (2 loops per CPU)
1024 words per loop (2048 words per 2 loops)
(Power failure storage not permitted)
Shared data area system
Parameter setting from peripheral device
0 – 63; designated by rotary switch
Half-duplex serial transfer, frame synchronization
In the case of transfer of 1024 words with 64 stations
connected ･･･ approx. 390 ms
(Excluding the case where access is made
simultaneously by a peripheral device by making use
of the link)
CRC, over run check, time-out, open circuit,
parameter error (dual designation of station No.,
overlapped link area, etc.)
System ROM/RM check, watch dog timer check,
transfer loop back check
13
Specifications
Optical CPU Link
OLINK-SH
0 to 55℃
-10 to 75℃
Approx. 400 g
1.0 Mbps
Token passing
Base band
Specifications