E-Stop Safety Relay
– Model ES-TA-3D1
Figure 10. Gently pry up each of the
three wiring barriers.
Figure 11. Remove the module cover.
Figure 12. Gently push the sides of the
module outward
Replacement Circuit Boards
Model No.
Part No.
Replacement power supply and relay board
ESD-PST-1
54991
Replacement communication board with DeviceNet
ESD-AB-1D
54992
Replacement interconnection board
ESD-IB-1
54993
Replacement Reset Mode Selector
ESD-JB-1
54994
2) Remove the module cover by placing the blade of a small flat-blade screwdriver
in the slot located at either end of the cover, and gently prying the cover open
(Figure 11). The cover is not hinged; it will come completely off.
3) Gently push the sides of the module housing outward (at the top corners) to
dislodge the four locking tabs (on the two circuit boards) from the slots on the
sides of the housing (Figure 12). Pull the assembly of the three circuit boards
straight out of the module housing.
4) Disconnect the circuit boards from one another (Figure 15).
its boards. See the chart below for the proper replacements and the installation
instructions that follow.
Removing the Circuit Boards
1) Remove the three wiring barriers (leaving the wires connected to them, if
possible) by gently prying each barrier up and off, using a flat-blade screwdriver
(Figure 10).
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