26
Chapter 1
If you have to connect a DC 2-wire output device to an input unit, recommend our product.
If a product manufactured by another company is used, the conditions should be checked by follow-
ing the procedure shown in the following flowchart.
This is because the output device of another company does not fit our input unit.
CAUTION
DC 2-wire output device should be
used
Our product is used
Connection is possible without any
bleeder resistor
Connection is possible if the R
B1
bleeder resistor is attached
Connection is possible if the R
B2
bleeder resistor is attached
Connection is possible if the R
B1
or R
B2
(small value) bleeder resistor is attached
Condition A
Normal connection
Connection to the
S-LINK V
system
is not possible
The bleeder resistance is necessary
Condition B
Decision of condition
Check 1
21.6V-V
THON
≥ V
A
and
21.6V-V
THOFF
=In specified op
-
eration voltage range
YES
NO
NO
NO
Condition B
Condition B
YES
Condition A
Condition A
YES
YES
NO
Check 2
≥
Minimum load current
21.6V-V
A
R
i
Check 3
≥ A
1
(Leakage current
in OFF mode)
V
THOFF
R
i
Calulation of bleeder resistance
Minimum load current-
21.6V-V
A
R
B1
≤
21.6V-V
A
R
i
Calulation of bleeder resistance
A
1
-
V
THOFF
R
B2
≤
V
THOFF
R
i
Decision of condition
V
A
: Residual voltage in ON mode
A
1
: Leakage current
V
TH
: Input voltage of input unit
V
THON
: Input unit ON voltage
V
THOFF
: Input unit OFF voltage
R
i
: Input impedance
R
B
: Bleeder resistance
Connection of DC 2-Wire Output Device to Input Unit
Содержание S-LINK V
Страница 2: ...2 ...
Страница 5: ...5 Before Using This System ...
Страница 12: ...12 Before Using This System MEMO ...
Страница 13: ...13 Chapter 1 Designing System ...
Страница 35: ...35 Chapter 2 Wiring ...
Страница 60: ...60 Chapter 2 MEMO ...
Страница 61: ...61 Chapter 3 Starting System ...
Страница 71: ...71 Chapter 4 Specifications ...
Страница 161: ...161 Chapter 5 Troubleshooting ...
Страница 169: ...169 Appendix ...
Страница 180: ...180 Appendix MEMO ...