Emerson VISSION 20/20 service manual Analog Inputs

Analog Inputs

BOARD	I/O	DESCRIPTION	TYPE
#
6	1	Motor Current	4-20 mA, 0-5A
6	2	Suction Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
6	3	Discharge Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
6	4	Oil Filter Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
6	5	Oil Manifold Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
6	6	VRS Oil Injection Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
6	7	% slide Valve Position	0-5V, 4-20 mA, Potentiometer
6	8	% Volume Position	0-5V, 4-20 mA, Potentiometer
7	9	Suction Temperature	4-20 mA, RTD, ICTD
7	10	Discharge Temperature	4-20 mA, RTD, ICTD
7	11	Oil Separator Temperature	4-20 mA, RTD, ICTD
7	12	Oil Manifold Temperature	4-20 mA, RTD, ICTD
7	13	Process Temperature	4-20 mA, RTD, ICTD
7	14	Level Probe (Cool Compression)	4-20 mA
7	15	Condenser Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
7	16	Remote Set point	0-5V, 4-20 mA
8	17	Economizer Pressure	0-5V, 1-5 V, 0-10V, 4-20 mA
8	18	Chiller In Temperature	4-20 mA, RTD, ICTD
8	19	Motor Winding Temperature #1	4-20 mA, RTD
8	20	Motor Winding Temperature #2	4-20 mA, RTD
8	21	Motor Winding Temperature #3	4-20 mA, RTD
8	22	Auxiliary #1	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
8	23	Auxiliary #2	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
8	24	Auxiliary #3	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
9	25	Auxiliary #4	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
9	26	Auxiliary #5	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
9	27	Auxiliary #6	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
9	28	Auxiliary #7	0-5V, 1-5V, 0-10V, 4-20 mA, RTD, ICTD
9	29	Bearing Accelerometer/Temp #1	0-5V, 4-20 mA, RTD
9	30	Bearing Accelerometer/Temp #2	0-5V, 4-20 mA, RTD
9	31	Bearing Accelerometer/Temp #3	0-5V, 4-20 mA, RTD
9	32	Bearing Accelerometer/Temp #4	0-5V, 4-20 mA, RTD

MOTOR CURRENT – Default is a 0-5 Amp current transformer (CT). Current transformer ratio is set in the calibra- tion screen.

SUCTION PRESSURE – Default signal is 4-20Ma. Suction pressure transducer range and calibration is set in the calibration screen.

DISCHARGE PRESSURE - Default signal is 4-20Ma. Discharge pressure transducer range and calibration is set in the calibration screen.

OIL FILTER PRESSURE - Default signal is 4-20Ma. Oil filter pressure transducer range and calibration is set in the calibration screen.

21