AccuLoad IV Installation & Maintenance Manual
Meter I/O Connections 48
4.2.3 Universal Pulse Transmitter
The AccuLoad uses the I/O connection points in the following table to connect to the Smith Meter Universal
Pulse Transmitter (UPT).
4.2.4 PPS Transmitter
The AccuLoad uses the I/O connection points in the following table to connect to the Smith Meter
Photoelectric Pulse Security (PPS) Transmitter.
Table 25: UPT Connections
AccuLoad Connections UPT Connections
Pulse input A plus Terminal 5 (signal A output)
Pulse input B plus (dual-pulse only) Terminal 3 (signal B output); not used for single-channel
connection
Pulse input A and B minus connect
to DC ground
+ 24 VDC Terminal 2 (input power)
DC ground Terminal 1 (electronics ground)
Pulse input A integrityplus Terminals 6 (signal A integrity output); not used for non-
integrity connection
Pulse input B integrity plus Terminals 4 (signal A integrity output); not used for non-
integrity connection
Terminal 7 (shield); no connection
Terminal 8 (verification pulse output); connect to optional
verification device
Terminal 9 (inverted verification pulse output); connect to
optional verification device
Terminal 10; no connection
Table 26: PPS Transmitter Connections
AccuLoad Connections PPS Transmitter Connections
Pulse input A plus Terminal 5 (signal A output)
Pulse input B plus (dual-pulse only) Terminal 3 (signal B output); not used for single-channel
connection
Pulse input A and B minus connect
to DC Ground
+ 24 VDC Terminal 2 (input power)
DC ground Terminal 1 (common)
Pulse input A integrity plus Terminals 6 (signal A integrity output); not used for non-
integrity connection
Pulse input B integrity plus Terminals 4 (signal A integrity output); not used for non-
integrity connection