Specifications – Rockwell Automation 1738-IJM23 ArmorPOINT I/O 5V DC Encoder/Counter Modules, Series A User Manual
Page 15

Publication 1738-IN012B-EN-E - August 2013
ArmorPOINT I/O 5V DC Encoder/Counter Module, Series A 15
Specifications
Following are specifications for the 1738 ArmorPOINT Encoder/Counter
module.
ArmorPOINTArmorPOINT 1738-IJM23 Module
Input Specifications
Number of Inputs
1 – 1 group of A/A return, B/B return, and Z/Z return
Input Voltage
5V
Input Current
19.1 mA @ 5V DC
25.7 mA @ 6V DC
Input OFF-State Voltage
<1.25V DC
Input OFF-State Current, max
<0.250 mA
Input ON-State Voltage
>2.6V DC
Input ON-State Current
>5 mA
Maximum ON-State Voltage
+6V
Input Filter Selections
(per A/B/Z group)
Off
10
μ
s
100
μ
s
1.0 ms
10.0 ms
Maximum Input Frequency
1.0 MHz counter and encoder X1 configurations
500 kHz encoder X2 configuration (no filter)
250 kHz encoder X4 configuration (no filter)
Keyswitch Position
2
General Specifications
LED Indicators
1 yellow input status, logic side
1 green/red network status, logic side
1 green/red module status, logic side
POINTBus Current, max
160 mA
Power Dissipation, max
1.1 W @ rated load
Thermal Dissipation, max
3.75 BTU/hr @ rated load
Isolation Voltage
(continuous-voltage withstand rating)
50V rms
Tested @ 1250V AC rms for 60s
External DC Power (does not represent power
required to supply outputs)
No additional external power required to power module
Dimensions
(H x W x D)
31.75 x 66.80 x 107.95 mm
(1.25 x 2.63 x 4.25 in.)
Temperature, Operating
IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20...60°C (-4...140°F)
Temperature, Nonoperating
IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat),
-40...85°C (-40...185°F)
Relative Humidity
IEC 60068-2-30 (Test Db, Un-packaged Nonoperating Damp Heat):
5...95% noncondensing
Shock, Operating
IEC60068-2-27 (Test Ea, Unpackaged Shock):
30g
Shock, Nonoperating
IEC60068-2-27 (Test Ea, Unpackaged Shock):
50g