Z
Y
OUTPUT #1
Y1
Z1
Z
Y
K
K2
Y2
Z2
OUTPUT #2
SOLID STATE INSTRUMENTS
INSTRUCTION SHEET
PRR-16 PULSE RECEIVER BASE UNIT
Revision: 4/10/22
a division of Brayden Automation Corp.
6230 Aviation Circle, Loveland, Colorado 80538
Phone: (970)461-9600
E-mail:[email protected]
16
(CON'T)
Two 3W
outputs
K
Z
K
Y
Four 2W
outputs
K1
K
K
Y
Z
K
USING THE OUTPUT IN 3-WIRE MODE -
When the PRL-1600 is operated in the Form C (3-Wire) mode, each
output channel "toggles" back and forth like a single-pole, double throw switch. For one pulse there is continuity
between K and Y (a closure) while there is no continuity between K and Z (an open). Upon the next pulse being
received from the meter they reverse positions, K-Z closes and K-Y opens. In Form C mode, Y and Z are
always opposite of each other. When one is closed and the other is open. There is logic in the PRNR-1600's
software that disallows two pulses of the some type in a row in Form C mode. They MUST alternate.
Each KYZ output is isolated, meaning there is no voltage applied to it internally. The wetting voltage for each
KYZ output of the PRR-16 output must be supplied by the receiving ("downstream") device or by an auxiliary
power supply. The outputs are solid state and are non-polarized. They may be used for AC or DC voltages.
The output is limited to 100mA@ 250VAC, 800mW maximum. Fuses are sized at 1/10th amp (100mA). Do not
exceed this rating as the solid state MOS-FET switching device may be destroyed. Transient voltage protection
for the contacts of the solid state relays are provided by MOVs on board between the K and Y, as well as the K
and Z outputs. Depending on user requirements the PRL-1600 can be operated in Form C mode and only two
wires used on the output for the downstream device. This is perfectly acceptable, but remember to double the
Form C pulse constant if your receiving device does not automatically adjust the pulse value.
Z
Y
OUTPUT #1
Y1
Y2
Z
Y
K
K2
Y3
Y4
OUTPUT #2
K
Z
K
Y
K1
K
K
Y
Z
K
USING THE OUTPUT IN 2-WIRE MODE -
The PRR-16's two KYZ outputs contain four solid state Form A dry-contacts and may be used independently as
four Form A outputs. In this case instead of Y and Z being opposite of each other they are independently used.
See the numbering of the output terminals in the diagram below. Even though the devices are operated
independently in Form A mode, each set (Y1-Y2 and Y3-Y4) must be operated at the same voltage, from the
same voltage source.
F1
F2
F1
F2