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

Page 248

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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

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

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

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