Installing Option Modules - Honeywell Micro-Pro UDC1200 Startup Manual

9. Installing Option Modules

Installing Option Modules
CAUTION: Turn off all power. Remove instrument by gripping the sides of the front panel and pulling the
instrument out of its housing. Note its orientation.
To access modules 1 or A, first detach the PSU and CPU boards from the front moulding by lifting
first the upper, and then lower mounting struts. Gently separate the boards.
a). Plug the required option modules into the correct connectors, as shown below.
b). Locate the tongues on each module into the corresponding slot in the board opposite.
c). Hold the main boards together while relocating them back on the mounting struts.
d). Replace the instrument by aligning the CPU and PSU boards with their guides in the
housing, then slowly push the instrument back into position.
Note: The instrument will automatically detect which option modules have been fitted.
CPU PCB
Option Module 1
Option Module 2
Option Module 1
Connectors PL7 & PL8
Option Module 2
Connector PL4A
Option Module 3
Connector PL4B
UDC 1200 Start-up Guide
Mounting Struts
Option Module A
Option Module 3
PSU PCB
Option Module A
Connectors PL5 & PL6
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Rev 2