Yokogawa 202 Field Mounting Rate Totalizer User Manual
Page 11
Outputs
Type:
Two open collector outputs suitable for driving DC
solenoids or external relays. The outputs provide high
and low flow alarms or pulse output and low flow
alarm.
Switching Power:
200mA. 30VDC maximum.
Saturation Voltage:
0.8VDC typical across the output in the "on" state.
Isolation:
Both outputs are separately opto-isolated.
Pulse Duration:
If CAL00 = 1 (scaled pulse output):
(for pulse output)
a. 1ms if output frequency > 50Hz,
b. 10ms if output frequency is 5 ... 50Hz,
c. 100ms if output frequency is < 5Hz.
Physical
Temperature:
Operating Temperature:
-20°C to 60°C.
Dimensions:
97mm (3.8") high x 150mm (5.9") wide x 41mm
(1.6") deep (cable glands not included).
Protection:
Sealed to Nema 4x or IP67 standards.
Cable Entry:
By cable glands.
Wall Mounting:
Universal Mounting Bracket supplied as standard.
Pipe Mounting:
A galvanised metal bracket is available which enables
the Model 202A to be attached to a 2" vertical or
horizontal pipe.
Panel Mounting:
Supplied with mounting brackets.
Terminals accessible from rear (Note that the panel
mount version is not watertight).
Cutout: 141mm (5.6") wide x 87mm (3.4") high.
Specification 9