Yokogawa 415 Steam and Gas - Manual (Page 14)

Relay Output
Function: High and low flowrate alarms based on the
flowrate selected as the default display.
Maximum Switching Power: 1250VA.
Maximum Switching Voltage: 250 VAC, 30VDC.
Maximum Switching Current: 5 Amps.
RS232/422/485 Option
Type: Both RS232 & RS422/485 are provided.
Function: Printer and computer protocols are
programmable.
Output: Output is on request or at a programmable
time interval.
Baudrate: 300 to 9600.
Data Bits: 7 or 8.
Parity: None, Odd, Even.
Pulse Output
Function: The pulse output is scaled and outputs one
pulse each time the Default total increments
by one digit.
Pulse Width: 10mSec (negative going pulse).
Duty Cycle: Maximum of 49 pulses per second.
Output: An open collector transistor will sink 100mA
maximum.
Ideal Gas
Display: Corrected Volume (m 3 or ft
3
).
Mass (kg or lbs).
Temperature Range: -273°C (-450°F) to 800°C (1472°F).
(RTD has a more limited range.)
Pressure Range: 0 kPa abs (0 psia) to 100,000 kPa (10,000
psia).
12 Specification