AccuLoad IV Installation & Maintenance Manual
Meter I/O Connections 54
4.5 A4I Kit Retrofit Installation
Use the following process to retrofit an A4I board onto an A4M board assembly using the Single A4I
Retrofit Kit (part number P8000018993) or Dual A4I Retrofit kit (P8000018994).
The tools needed for this installation include a #2 Phillips-head screwdriver, a 5/16-inch wrench, and a 1/4-
inch wrench. The necessary installation hardware is included in the retrofit kits.
The A4I module provides outputs to supply power to the additive meter. The voltage supplied is
selectable (5, 12, or 24 VDC) using jumpers on the module.
The following process does not include steps needed to authorize entry into the housing in an Ex
environment or closing the housing. For instructions on securing the housing, see Section 5.1: Closing
the Explosion-Proof Housing.
Figure 46: A4I Additive Meter Wiring
TBE6-1
TBE6-2
AccuLoad
A4M +24V
TBE4 10, 11, or 12
A4M GND
TBE4 13, 14, or 15
Power Counter
External Prover
Pulse Counter
Figure 47: A4I Digital Input Wiring
Internal Pull Up
12 VDC
TBE6-2
AccuLoad
A4M +24V
TBE4 10, 11, or 12
Signal
External Meter Pulse
Wiring
3K
V+ Supply
Monoblock Transmitter
Common
Common
3K
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