Frick QUANTUM LX - Current Transformer (Motor Amps)

FRICK
®
QUANTUM™ LX COMPRESSOR CONTROL PANEL S90-020 M
MAINTENANCE Page 23
Current Transformer (Motor Amps)
Channel 16 of Enhanced Analog Board 1 is dedicated to
reading motor amps, either through the use of the on
board current transformer, or from an external source.
When reading motor amps directly, the input signal cannot
exceed 5
amps. If you are using an external current transformer,
remove the jumper at Link 2, and connect the wiring to
connector P8. If you intend on utilizing the on-board
current transformer, then install Link 2, and connect the
wiring to Channel 16, as shown in the diagram below:
P6B (Inputs)
(CH11) (CH12)
P4A (Inputs)
(CH1) (CH2)
P4B (Inputs)
(CH3) (CH4)
CH. 16
Current Transformer (CT)
connection - Standard direct
connection, 0 - 5 amp input
(
Install LK2
)
LK 2
Install this jumper when using
the on board Current
Transformer and connector P8 to
use CH. 16 (P8) to read Motor
Amps
Remove for CH. 16 external
Motor Amps signal and connect
to P7B directly
CH. 16
Motor Amps - Alternate external
signal connection, 0 - 50mA input
(Remove LK2)
D1
C25
U22
U2
5VDC
U14
P5A (Inputs)
(CH5) (CH6)
U4
U13
U23
P5B (Inputs)
(CH7) (CH8)
C4
U7
LK1
U15
U3
U10
D9 Act
D3 CRx
D2 CTx
D7 Rx
D8 Tx
P12
P6A (Inputs)
(CH9) (CH10)
P7A (Inputs)
(CH13) (CH14)
U6
U1
U15
U16
U17
U18
U8
P2
LK2
P7B (Inputs)
(CH15) (CH16)
P8