Hach 900 MAX ユーザーズマニュアル
Page 102
Circuit Board Identification
Circuit Board Identification
8990mnt.fm
Section 7
Figure 32
Utility Board
Table 21 Utility Board Connections
ID
Description
ID
Description
J1
Distributor
J12
Analog Input Channel 5
J2
Auxiliary
J13
Analog Input Channel 6
J3
pH/ ORP
J14
Analog Input Channel 7
J4
CPU Board
J15
Thermal Control
J5
Rain Gauge
J16
12 V dc Main
J6
Bubbler Module
J17
Relay Output
J7
Fluid Sensor #1
J18
4–20 mA PCB
J8
Analog Input Channel 1
J19
Fluid Sensor #2 (closest to pump)
J9
Analog Input Channel 2
J20
D.O. / Conductivity
J10
Analog Input Channel 3
J21
Submerged Sensor
J11
Analog Input Channel 4
J22
5 amp External Fuse
UTILITY BOARD
J19 J7
J5
J1
J2
J20
J21
J17
J6
J18
J3
J15
J22
C11
TB1
J16
J4
J8
J9 J10 J11 J12 J13 J14
F2