Total Water
PC Distribution Panel and I/O Panel PCDP
Other Components: 'U'

U1 54HC240 DIP20

Pin     Signal     Link To
1    GND(PCDP)     U1.10
2    IOSW0         J1.1
3    $1N308(PCDP)  D2.2
4    IOSW1         J1.2
5    $1N293(PCDP)  D1.2
6    CPSW0         J1.5
7    $1N291(PCDP)  D13.1
8    CPSW1         J1.6
9    $1N289(PCDP)  D12.1
10   GND(PCDP)     U1.19
11   FAILLAMP      J1.10
12   $1N287(PCDP)  D11.1
13   LAMP1         J1.11
14   $1N285(PCDP)  D10.1
15   ~CMDENBL      J1.28
16   $1N283(PCDP)  D9.1
17   ~RESET        J1.26
18   $1N281(PCDP)  D8.1
19   GND(PCDP)     D15.1
20   VDD(PCDP)     Z1.1
[PCDP]

[PCDP] [Components] [Connectors] [Signals]

Connector pin assignments by Terry Allen.
Web listings compiled by Norton T. Allen October 22, 1998.

(c)1998 Harvard University Atmospheric Research Project