GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series User Manual

APPENDIX C
C-3
The value of the compensation resistor is equal to the resistance of RETURN 1 plus HOT 1.
Assuming,
R
Lead Compensation
= R
Lead Hot
V
17,18
= V
Lead Hot
+ V
Lead Hot 1
+ V
RTD
+ V
Lead Return 1
+ V
Lead Return
V
18,19
= V
Lead Comp.
+ V
R Comp.
+ V
Lead Return
Since,
V
Lead Compensation
= V
Lead Hot
⇒ V
17,18
- V
18,19
= {V
Lead Hot +
V
Lead Hot 1
+ V
RTD
+ V
Lead Return 1
+ V
Lead Return
} -
{V
Lead Comp.
+ V
R Comp.
+ V
Lead Return
}
V
17,18
- V
18,19
= {V
Lead Hot 1
+ V
RTD
+ V
Lead Return 1
} - V
R Comp.
⇒ V
17,18
- V
18,19
= V
RTD
ONLY IF
V
R Comp.
= V
Lead Hot 1
+ V
Lead Return 1
or
R
Comp
= R
Lead Hot 1
+ R
Lead Return 1
The illustration shown in figure 3 is for RTD #8, but it may be applied to any of the RTDs.

GE MULTILIN 269 MOTOR MANAGEMENT RELAY Series Specifications

General

Brand	GE
Model	MULTILIN 269 MOTOR MANAGEMENT RELAY Series
Category	Relays
Language	English