Allen-Bradley 1734-OB8S - Precautions

54 Rockwell Automation Publication 1734-UM013C-EN-P - August 2010
Chapter 4 Wire the Module
Emergency stop
button
Door monitoring
switch
Yes Connect the device
between I0 and T0,
and I1 and T1.
4
No Connect the devices
between T0 and I0
and I1, noting that
T0 is configured for
24V power supply.
3
Connect the devices
between 24V DC
and I0 and I1.
Light Curtain Yes Connect the OSSD1
and OSSD2 to I0
and I1, respectively.
Connect the 24V
power supply
commons.
3 or 4 based on
light curtain
being used
Connected Device Test Pulse
from Test
Output
Connection Schematic Diagram Safety
Category
I0 I1 T0 T1
I0 I1 T0 T1
I0 I1 T0 T1
24V DC
I0 I1 T0 T1In -
24V
DC
Com
OSSD2 OSSD1
OSSD2 OSSD1