Precision Digital PD6400 - Manual (Page 11)

Model PD6400 High Voltage & Current Meter Instruction Manual
11
RELAY
ASSIGNMENT Each relay independently assigned to Ch-A, Ch-V, CH-P, or
Modbus
DEADBAND 0-100% of span, user programmable
HIGH OR LOW
ALARM User may program any alarm for high or low trip point.
Unused alarm LEDs and relays may be disabled (turn off).
RELAY
OPERATION Automatic (non-latching)
Latching (required manual acknowledge)
Pump alternation control (2 to 8 relays)
Sampling (based on time)
Off (disable unused relays and enable Interlock feature)
Manual on/off control mode
RELAY RESET User selectable via front panel buttons, digital inputs, or PC
1. Automatic reset only (non-latching), when the input
passes the reset point.
2. Automatic + manual reset at any time (non-latching)
3. Manual reset only, at any time (latching)
4. Manual reset only after alarm condition has cleared (L)
Note: Front panel button or digital input may be assigned to
acknowledge relays programmed for manual reset.
TIME DELAY 0 to 999.9 seconds, on & off relay time delays
Programmable and independent for each relay
FAIL-SAFE
OPERATION Programmable and independent for each relay.
Note: Relay coil is energized in non-alarm condition.
In case of power failure, relay will go to alarm state.
BREAK
CONDITION
OPERATION Relay condition when sensor break detected.
Programmable independently for each relay as On, Off, or
Ignore (maintain last condition).
AUTO
INITIALIZATION When power is applied to the meter, relays will reflect the
state of the input to the meter.
Isolated 4-20 mA Transmitter Output
OUTPUT
SOURCE Process channel A, V, or P, max or min for channel A, V, or
highest or lowest max or min of A and V, set points 1-8,
Modbus input, or manual control mode
SCALING RANGE 1.000 to 23.000 mA for any display range
CALIBRATION Factory calibrated: 4.000 to 20.000 = 4-20 mA output
ANALOG OUT
PROGRAMMING 23.000 mA maximum for all parameters:
Overrange, underrange, max, min, and break
ACCURACY ± 0.1% of span ± 0.004 mA