Myron L 729II - Manual (Page 43)

E. DUAL TEMPERATURE MODULE &
4-20mA OUTPUT MODULE
(Digital and OEM Models ONLY)
-TP/TPO Temperature Module.
-4A/4AO 4-20mA Self/Remote-powered Isolated
output module.
1. DESCRIPTION
The following instructions describe how install BOTH the 4A/4AO
and the TP/TPO Modules to a Digital model Monitor/controller.
Specifications
See individual Data Sheets and installation instructions.
Requires Plastic Spacers P# SP4819.
2. INSTALLATION
Briefly -
The Temperature Module replaces the plastic display retainer
plate attached to the front panel as described in Temperature
Module Installation Instructions except threaded plastic spacers
are utilized in place of the screws.
The 4AO Module is STACKED on top of the TPO Module utilizing
above spacers as shown in figure III.E.1.
Setup and operation for both modules is the same as described in
their respective Data Sheet/Installation Instructions.
WARNING: BEFORE STARTING, IF MONITOR/
CONTROLLER IS INSTALLED, ENSURE THE POWER
IS OFF. FAILURE TO DO SO COULD CAUSE DAMAGE
TO THE INSTRUMENT, AND COULD BE HARMFUL OR
FATAL TO PERSONNEL. ONLY QUALIFIED
PERSONNEL SHOULD INSTALL OR SERVICE
ELECTRICAL EQUIPMENT.
This procedure assumes the front panel is removed, and the
TP/TPO has already been installed.
1. Install spacers as shown in figure III.E.1.
2. Attach 4AO Module five (5) wire harness, and signal
and power wires as required as described in 4AO
Data Sheet/Installation Instructions.
3. Carefully reinstall the front panel, bottom first.
Ensure no wires have been pinched between
enclosure and front panel.
4. Reinstall the screws and tighten.
5. To operate, turn power ON.
39
!
CAUTION - READ FOLLOWING CAREFULLY
FRONT PANEL
LEFT SIDE VIEW
PLASTIC
SPACERS (4)
TP/TPO
4A/4AO
SCREWS
Figure III.E.1