Hitachi SJ-DG, Instruction Manual

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CHAPTER 3 WIRING, CONNECTION
5
3.3 SPECIFICATION OF TERMINAL
Table 3-3 shows specification of terminal.
Table 3-3 Specification of terminal
Terminal
symbol
Terminal name Specification Electric characteristics
D15 to D0
(Hereinafter
called as
Dn)
Data input terminal
Input
STRB
Strobe terminal
(Data take in command
signal terminal)
Photo coupler input
(1a contact signal)
Sink source type
Input impedance : 4.7k
Ù
Allowable
SEQ
Sequence error signal
(Data input error signal
output terminal) Sink source type
Between SEQ and CMB
Voltage drop at on : less than 4V
Allowable max. voltage : DC27V
Allowable max. current : 50mA
Output
CMB
Common terminal for
sequence error signal
output Common terminal for
sequence error signal output
Note)
P24B
Power source terminal
for interface
DC24V power source for
contact input signal
In case of selecting source
logic, contact input common.
Allowable max. current : 90mA
Power
source
CM1
Power source terminal
for interface Common
terminal
Common terminal for data
input terminal, power source
for interface and strobe
terminal
Note)
Note) Never connect to earth of ground.
3.4 APPLICABLE WIRING
Make sure to use applicable wiring as the following items.
wire that is shield less than 0.5mm
2.
Connect the wire which peeling length of sheathed signal wire is 5 –
In case of connecting twist wire, make sure not to loose
Use signal wire which max, outside diameter is less than 2.0mm
2
SEQ
CMB
DC24V
SJ-DG
CMB
COM
DC24V
SJ-DG