| Operation |
Power
Setup
Input Filtering
Time Delay |
Provided by meter
Front panel pushbuttons or via PC using RS232, RS485 or USB
Setpoint compared to either filtered or unfiltered signal.
Unfiltered, or programmable delay from 1 to 128 readings |
| Relay Operating Modes |
1) Activate above or below setpoint
2) Latching or non-latching
3) Hysteresis or band deviation mode around
each setpoint
4) Relays disabled |
|
Enable/Lockout Modes |
1) Display and change setpoint via front panel pushbuttons.
2) Display setpoints via alarm pushbutton, but do not allow changes.
3) Disable pushbutton action for setpoints. |
| Alarm Status Indication |
Type
Lamp Lit |
Two or four red LED indicators
When relay is energized |
|
Contact Relay Versions |
Form, Dual Relays
Form, Quad Relays
Current Rating
Safety Rating
Relay Grounds
Operate Time
Release Time |
Form C,
single-pole, double-throw (SPDT)
Form A,
single-pole, single-throw (SPST), normally open (NO)
8A at 250 Vac or 24 Vdc
250V rms working, 2.3 kV rms per 1 min test
Grounds of dual relays are mutually isolated
Grounds of quad relays are isolated in pairs
7
ms (typical) from end of conversion
5 ms (typical) from end of conversion |
| Solid State Relay Versions |
Form of Relays
Current Rating
ON series resistance
Isolation Type
Safety Rating
Operate & Release Time |
Form A, single-pole, single-throw (SPST), normally open (NO)
130 mA at 140 Vac or 180 Vdc
18 ohms typical, 25 ohms max
Optical
250V rms working, 2.3 kV rms per 1 min test
1
ms (typical) from end of conversion |
| Environmental |
Operating Temperature
Storage Temperature
Relative Humidity |
0°C
to 60°C
-40°C to 85°C
95% at 40°C, non-condensing |
