Section 3 | |
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The 991TW insert sensors are designed to be used in pipes equipped with Thermowells. These are
3.2.1 WIRING TEMPERATURE SENSOR TO THE ANALOG INPUT MODULE
WARNING: Set flowmeter and instrumentation power to OFF when inserting or removing the Analog Input Module, or when making connections to TB1, TB2, TB3, and TB4.
zOpen the 1010 NEMA flowmeter top cover by releasing the cover latch.
zPlace the power switch to the OFF position.
zLoosen the captive thumbscrew securing the Access Cover and remove Access Cover.
zUsing a
zCarefully remove the I/O board and set it aside.
Access Cover
Screw
TOP VIEW
1010N
Power Switich
Latch
SHORT TERMINALS 1 AND 4 SINCE T2 IS NOT BEING USED - see note below.
Refer to paragraph 3.2.1 step 3 on next page.
NOTE: If this meter is using only one RTD temperature sensor, short terminals 1 and 4 of TB2 with a jumper wire to complete the dual RTD current loop.
TO SENSOR