Yokogawa 415 Steam and Gas User 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