YPP6830 Pulse Input Rate/Totalizer
Instruction Manual
13
PULSE OUTPUT
K-FACTOR
(COUNT)
K-factor (
couNT
) programmable from 0.000001 to 9999999.
Rate pulses are generated as a scaled output of the rate
input with one output pulse per K-factor (count) number of
input pulses. Total and grand total pulses are generated for
every total or grand total increment selected. (e.g. K-factor
value of 100 will generate one pulse every time the total is
incremented by 100 units)
Rate retransmission pulses one to one for input pulses, up
to maximum output speed. K-factor is not used for retrans-
mitting outputs.
PULSE OUTPUT
PULSE WIDTH
Unless otherwise stated, pulses are 50% duty cycle for
required frequency.
A pulse rate retransmit output will generate 100 to 130
μ
s
pulses at the falling edge of every input pulse.
PULSE OUTPUT
MAXIMUM
FREQUENCY
5 kHz, pulse width at 50% duty cycle.
If the programming of the outputs would exceed 5 kHz, the
meter will display
pUlse
OVERRNG
QUADRATURE
OUTPUT
Output set to quadrature will lag the other pulse output by
90
°
(1/4 duty cycle) at output frequency. Minimum 1 Hz
TIMER OUTPUT
Programmable on and off time, repeating cycle. Minimum
period 0.1 second, maximum 100,000 seconds. Minimum
pulse time 0.01 second, maximum 10,000 seconds.
Serial Communications
PROTOCOL
2-Wire RS-485 Modbus
®
RTU
METER AD-
DRESS/SLAVE ID
1 - 247
BAUD RATE
1,200; 4,800; 9,600; 19,200; 38,400; 57,600;
or 115,200 bps
TRANSMIT TIME
DELAY
Programmable between 0 and 199 ms
PARITY/STOP
BIT
Even, odd, none with 1 stop bit, or none with 2 stop bits
BYTE-TO-BYTE
TIMEOUT
Max of 1.5 character times or 750
μ
s
Note: Refer to Modbus Register Tables at www.yokogawa-usa.com for details.