Vmebus specifications, Plc-5/vme battery specifications (1770-wv/a) – Rockwell Automation 1785-Vx0B, D17856.5.9 PLC-5 VME VMEbus Programmable Controllers User Manual User Manual
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Specifications
Appendix C
C-2
Characteristic
(Revision C.1)
Value
Master address
A16, A24
Master transfer
D08(EO), D16
Slave address
A16, A24
Slave transfer
D08(EO), D16
Interrupter
I(1–7), D08(O)
Interrupt handler
IH(1–7), D08(O)
Requester
ROR,RWD
System controller
SYSCLK, IACK daisy chain, bus timer, SGL arbiter
ACFAIL
Input required for PLC-5/VME processor to maintain ladder and data
files integrity. VME power must assert ACFAIL at least 9 ms before the
+5VDC supply drops below 4.75VDC.
PLC-5/VME
t
Battery Specifications (1770-WV/A)
Worst-case Battery Life Estimates
Battery used in this processor:
At this temperature:
Power off 100%:
Power off 50%:
Battery Duration after
the LED lights
➀
PLC-5/V30, -5/V40, -5/V80
60
°
C
180 days
360 days
∼
6 days @ 80
µ
A
25
°
C
290 days
580 days
∼
9 days @ 50
µ
A
➀
The battery indicator (BATT) warns you when the battery is low. These durations are based on the battery supplying the only power to the
processor (power to the chassis is off) once the LED first lights.
VMEbus Specifications