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Advanced Environment-resistive Terminals Section 6-4
6-4-3 Environment-resistive Terminals with 16 Transistor Inputs (IP67):
DRT2-HD16C (NPN) and DRT2-HD16C-1 (PNP)
Input Specifications
I/O Status Indicators The I/O status indicator displays and their meanings are shown in the follow-
ing table. Refer to the section following on names of parts and functions for
details on the location of the I/O status indicators. In the indicator name “1-A,”
the “1” indicates the connector number, and the “A” indicates that it is an I/O
status indicator.
Item Specifications
Model DRT2-HD16C DRT2-HD16C-1
Internal I/O common NPN PNP
Input points 16 points
ON voltage 9 V DC min. (between each
input terminal and V)
9 V DC min. (between each
input terminal and G)
OFF voltage 5 V DC max. (between each
input terminal and V)
5 V DC max. (between each
input terminal and G)
OFF current 1 mA max.
Input current 3 mA min./point (at 11 V DC)
11 mA max./point (at 24 V DC)
Sensor power supply
voltage
Maximum communications power supply voltage: +0 V
Minimum communications power supply voltage: −1.5 V
ON delay time 1.5 ms max.
OFF delay time 1.5 ms max.
Number of circuits 16 points with one common
Indicator Color Status Meaning
1-A Yellow ON Input 0 is ON.
Red ON The sensor power
of connector 1 has
shorted.
Red Flashing The sensor of con-
nector 1 is discon-
nected.
1-B Yellow ON Input 1 is ON.
2-A Yellow ON Input 2 is ON.
Red ON The sensor power
of connector 2 has
shorted.
Red Flashing The sensor of con-
nector 2 is discon-
nected.
2-B Yellow ON Input 3 is ON.
3-A Yellow ON Input 4 is ON.
Red ON The sensor power
of connector 3 has
shorted.
Red Flashing The sensor of con-
nector 3 is discon-
nected.
3-B Yellow ON Input 5 is ON.
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