Frick QUANTUM LX - MODBUS ASCII (SERIAL COMMUNICATIONS); MODBUS RTU (SERIAL COMMUNICATIONS)

S90-020 M FRICK
®
QUANTUM™ LX COMPRESSOR CONTROL PANEL
Page 36 MAINTENANCE
Quantum™ LX +5 DC Voltage Measurement Location
PL13
LK9
LK8
LK10
PL16
PL8
PWR
SUSP
FLASH
LK11
LK12
PL24
PL3
PL
LK1
PL7
PL9
LK2
PL17
PL12
PL19
PL18
PL14
PL10
PL6
PL2
PL4
PL1
Flash Card
Socket
(Located
under
board)
PL3
PL
5
PL11
LK3
A
B
LK4
PL15
TB1
TB2
LK2
COM-2
TB
3
RS-232
3
2
1
LK6
B
A
LK5
LK7
COM-2
COM-1
1
2
3
4 1
2
3
4
LK8
LK7
LK10LK9
D3
LK16
A
B
A
B
PL2
3
4
5 6 7
0
1
2
D8
D1
0
D11
D12
PORT 80H
D4
D5
D7
D13
SW1
O
N
1
2
3
4
5
6
7
8
D6
D2
LK11
B
A
LK1
LK4 LK3
LK6LK5
D1
D8
LK17
RS-422
RS-485
RS-422
RS-485
PL1
+5 VDC
(Red Lead)
Common
(Black Lead)
A voltage
regulator to
the flash port
allows the
Quantum™ 4
5 VDC to be
set to +5.15
VDC as
measured
here.