Delta Tau PMAC Pack, Справочник по аппаратуре

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PMAC-Pack
50 PMACPack Custom Configuration
E24 - E27: Encoder Control
Unused encoders should be left non-differential to prevent noise pickup.
Table 4-9. E24 - E27: Encoder Single-Ended/Differential Control
E Point &
Physical Layout
Location Description Default
E24
F3
E25
F3
E26
F3
E27
F3
ENC 4 thru 1:
Jump pin 1 to 2 to tie complementary encoder inputs to
2.5V.
Jump pin 2 to 3 to tie complementary encoder inputs to
5V.
For no encoder connection: Jump pin 1 to 2
For single ended encoders: Jump pin 1 to 2.
For differential line-driver encoders: Don’t care
For complementary open-collector encoders:
Jump pin 2 to 3.
1-2 Jumper installed
for E24 – E27
E24: ENC 4
E25: ENC 3
E26: ENC 2
E27: ENC 1
E28: Error Signal Control
Table 4-10. E28: Warning Following Error/Watchdog Timer Signal Control
E Point &
Physical Layout
Location Description Default
E28
D4 Jump pin 1 to 2 to allow soft following error (Ix12) to
control "FEFCO/" on J11-57.
Jump pin 2 to 3 to cause WATCHDOG timer output to
control "FEFCO/" (low TRUE output in either case).
2-3 Jumper installed