Extension module with 1 additional micromodule slot

772478

The extension module is plugged onto the interface board of the control panel. The extension module can only be used on system terminal 1 of the control panel interface board.
Additional Information:
Only one (Part No. 772477/78/79) module can be plugged onto the interface board.
Quiescent currentapprox. 5 mA (without micromodule)