Rockwell Automation Publication 1734-UM001E-EN-P - July 2013
178        Mounting Dimensions
POINT I/O Module with a 
1734-PDN Module 
See the figure for mounting dimensions for POINT I/O module with a 
1734-PDN DeviceNet Communication Interface module. 
L = 1.0 + [# of I/O x 0.47] + [# of FPD x 1.0] in.
Allow a 25.4 (1.0) 
air gap all around
133.4
(5.25)
mm (in)
L = 25.4 + [# of I/O x 12.0] + [# of FPD x 25.4] mm
1734-FPD (HxWxL)
76.2 (3.0) x 25.4 (1.0) x 133.4 (5.25)
1734-PDN (HxWxL)
76.2 (3.0 ) x  25.4 (1.0) x 133.4 (5.25)
1734-TB or 1734-TBS (HxWxL)
76.2 (3.0) x 12.0 (0.47) x 133.4 (5.25)
Secure DIN rail to mounting surface approximately every 200 mm (7.8 in.).