Rockwell Automation 1492 Modicon 800-to-1756 I/O Swing-arm Conversion System User Manual

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(Version 00)

II. Conversion Steps

9) Attach the 1492 Cables with 1756 Swing-Arms to the Appropriate 1756 I/O Module

Use the following procedure:
a) Closely review the labels on the conversion modules and the 1492 cables to ensure they are the correct mates for the 1756 I/O module (Refer to

Appendix B).

b) Making sure you have the correct cable, slowly guide the terminal block end into the mating connector of the 1756 I/O module (Refer to Figure 9a).

c) Refer to Figure 9b. Firmly press the two components together and secure the terminal block to the 1756 I/O module.

d) Repeat steps a through c for all remaining conversion module/cable assemblies until all conversion are complete.
e) Recheck that all cables are fully engaged into the mating connectors and that the tabs are locked on the conversion module. Ensure the 1756

terminal blockes are secured to the 1756 I/O module.

f) Ensure all analog cable ground wires are secured to a 1756 chassis mounting screw. A lug is provided on each analog cable for this purpose.
g) Secure the cover-plate to the base-plate by using the M5 screws supplied with the system (recommended torque 2 Nm)

System Testing Before Applying Power

Before applying power to the system, check continuity from the field wiring terminal block (typically at the bottom of the control panel) to the 1756 I/O
module terminal block. This should be done for several points of each I/O module to ensure connection of the conversion system.

Figure 9a

Figure 9b

Figure 9c

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