67
Digital I/O Units Section 4-6
Dimensions (Same for GRT1-ID4 and GRT1-ID4-1)
4-6-2 Four-point Transistor Output Units:
GRT1-OD4 (NPN), GRT1-OD4-1 (PNP), GRT1-OD4G-1 (PNP),
GRT1-OD4G-3 (PNP)
Output Specifications
12
12
84
3 3
15
11.7
(74.4)
(84)
74.414.1
(88.5)
14.3
OMRON
Item Specification
Model GRT1-OD4 GRT1-OD4-1 GRT1-OD4G-1 GRT1-OD4G-3
Internal I/O common NPN PNP PNP PNP
Number of I/O points 4 outputs
Rated output current 0.5 A/point max. 2.0 A max./point up to an
ambient temperature of 30°C
(Refer to the table in Rated
Output Current for restrictions
at higher ambient tempera-
tures.)
Output overcurrent
and short-circuit pro-
tection
Not supported. Not supported. Supported (with
automatic recovery).
(See note.)
Supported (with automatic
recovery). (See note.)
Residual voltage 1.2 V max. (at 0.5 A
between each output
terminal and G)
1.2 V max. (at 0.5 A between each output
terminal and V)
1.2 V max. (at 2 A between
each output terminal and V)
Leakage current 0.1 mA max.
ON delay time 0.5 ms max.
OFF delay time 1.5 ms max.
Number of circuits 4 outputs with one common 4 points, common V/G
I/O power supply 24 V I/O power supply voltage supplied via the slice I/O bus 24 V I/O power supply voltage
supplied via the unit I/O termi-
nal connector.
Refer to 3-2 Power Supply
Wiring.
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