AccuLoad IV Installation & Maintenance Manual
Meter I/O Connections 49
4.2.5 PA-6 Preamplifier
The AccuLoad uses the I/O connection points in the following table to connect to the Smith Meter PA-6
Preamplifier.
For dual-pulse turbine meter connections, one PA-6 Preamp on Boss #1 and a second PA-6 Preamp on
Boss #2 are available. In this case, the wiring to the B pulse input of the AccuLoad is done the same as the
wiring to the A pulse input as shown above.
4.2.6 Promass 80, 83, and 84 Coriolis Meters
The AccuLoad uses the I/O connection points in the following table to connect to the Promass 80, 83, and
84 Coriolis meters.
4.2.7 Promass 83 and 84 Coriolis Meters
The AccuLoad uses the I/O connection points in the following table to connect to the Promass 83 and 84
Coriolis meters.
Table 27: PA-6 Preamplifier Connections
AccuLoad Connections PA-6 Connections
Pulse input A plus Terminal 3 (signal A output)
Pulse input minus – DC ground
+ 24 VDC Red (input power)
DC ground White (common)
Table 28: Promass 80, 83, and 84 Coriolis Meter Single-Channel Connections
AccuLoad Connections Promass 80, 83, and 84 Connections
Pulse Input A Plus +24 VDC
Pulse Input A Minus Terminal 24 (Signal A output) for Promass output options Model 80: A,
D, S, and T
Model 83: A, B, S, T, C, D, 2, 4, and 5
Model 84: S, T, D and 2
Terminal 22 (Signal A output) for Promass output options Model 80: 8
Model 83: N and P Model 84: N
DC Ground Terminal 25 (Signal A Negative) for Promass output options Model 80: A,
D, S, and T
Model 83: A, B, S, T, C, D, 2, 4, and 5
Model 84: S, T, D, and 2
Terminal 23 (Signal A ground) for Promass output options Model 80: 8
Model 83: N and P Model 84: N
The Promass output option is defined by the last character of the Promass model code.
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