Det-Tronics R8471J Single Channel Gas Controller, OPECL - Manual (Page 18)

1.1 95-8572 16
SPECIFICATIONS
OPERATING VOLTAGE—
24 Vdc nominal, total range 18 to 32 Vdc.
POWER CONSUMPTION (Controller only)—
Base model:
0.7 watt nominal, 1.3 watts maximum
(25 mA nominal, 50 mA maximum
at 24 Vdc.)
Premium model: 1.2 watts nominal, 3.5 watts
maximum (50 mA nominal, 145 mA
maximum at 24 Vdc.)
MAXIMUM SUPPLY VOLTAGE RIPPLE—
Should not exceed 5 volts peak-to-peak. The sum of
dcV plus ripple must be ≥18 Vdc and ≤ 32 Vdc.
TEMPERATURE RANGE—
Operating: +32°F to +140°F (0°C to +60°C)
Storage: –49°F to +185°F (–45°C to +85°C).
OPERATING RANGE—
0 to 5 LFL-m. Displayed as 0 to 100% full scale.
SOLID STATE OUTPUTS (Base model only)—
Open collector transistors with a 100K resistor from the
collector to emitter with the emitter grounded, rated
100 milliamperes at 32 volts dc maximum.
RELAY CONTACTS (Premium model only)—
Selectable normally open/normally closed contacts
rated 5 amperes at 30 Vdc/250 vac. See Table 1 for
selectable relay options.
CURRENT OUTPUT (Premium model only)—
4 to 20 milliampere dc current, with a maximum loop
resistance of 600 ohms at 24 Vdc. User-selectable
isolated or non-isolated signal reference from controller
input power common return.
DIMENSIONS—
See Figure 12.
SHIPPING WEIGHT (Approximate)—
2.0 pounds (0.9 kilogram).
9.3 (23.6)
1.0
(2.5)
7.0
(17.8)
A2417
Figure 12—Controller Dimensions in Inches (Centimeters)