Emerson Process Management 53eA instruction manual 4054eA03

MODEL 54eA	SECTION 3.0
	WIRING

DWG. NO.	REV.
4054eA05	A

Although the blue wire is connect- ed to a terminal labeled solution ground, the blue wire does not connect to a solution ground in the sensor. The 399-14 sensor has no solution ground. The blue wire, instead, ties the preamplifier in the sensor to instrument common.

FIGURE 3-6. 499ACL-01 sensor with standard cable and 399-14 pH sensor having internal preamplifier.

DWG. NO.

4054eA03

REV.

A

FIGURE 3-7. 499ACL-01 sensor with standard cable and 399-09-62 pH without internal preamplifier.

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