C200H-CN221 Omron, C200H-CN221 Datasheet - Page 105
C200H-CN221
Manufacturer Part Number
C200H-CN221
Description
C200H I/O CABLE, 2M (COO)
Manufacturer
Omron
Datasheet
1.C200H-CN211.pdf
(172 pages)
Specifications of C200H-CN221
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Specifications
C200H-OD214 Short-Circuit Protection
The C200H-OD214 Output Unit is equipped with two types of short-circuit pro-
tection. One is overcurrent protection, and the other is thermal protection. The
short-circuit should be eliminated immediately in order to avoid damage to the
Unit.
Overcurrent Protection When the output current reaches 2 A, the alarm output
turns ON, and the alarm LED lights. Make sure the surge current of the load does
not exceed 2 A, or the alarm may be activated.
Thermal Protection When the junction temperature of the output transistor
reaches its upper limit, the output turns OFF, the alarm output turns ON, and the
alarm LED blinks. But the output transistor is provided with a heat sink. So in
some cases, when the output is short-circuited the thermal protection may not
activate because the extra heat is dissipated by the heat sink. However, the
alarm LED will still light and the alarm output will still turn ON.
How It Works When the short-circuit protection activates, the output displays
the characteristic shown below.
Each pair of outputs share one alarm LED and one alarm output bit as shown
below (bits 12 through 15 cannot be used as work bits)
Both the alarm LED and alarm output bit for the short-circuited output turn ON
even if only one of the outputs is short-circuited. Both outputs should be discon-
nected until the short-circuit can be traced.
Clearing the Alarm When the short-circuit has been eliminated, reset the Unit
by pressing the reset button. The alarm LED will go out, the alarm output will turn
OFF, and the output will be reset.
Output No.
Alarm LED No.
Alarm Output Point No.
Output
Voltage
0
Output LED
Alarm LED
Reset button (use a screwdriver
or other similar object to press it).
0
08
0
1 2
09
2
3
Output current
2 A (minimum value)
4
10
4
5 6
Overcurrent
limit alarm
output point
11
6
7
Appendix B
91
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