Mitsubishi Electric NF400-HEW, Instruction Manual

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6.5.5 Neutral line open phase alarm (NLA)
The alarm generation status is displayed when the line voltage ≥ rated operation overvoltage, and the duration ≥ operating time.
(It is not communicated.)
Set via communication or on the display
Set to either self-hold or automatic reset via communication or on the display.
Reset the alarm via communication or on the display.
Reset method
Self-hold
Automatic reset Automatically resets when the cause of the alarm is removed.
Alarm details
Setting method
Reset method
Rated operation overvoltage:
Operating time:
Rated inoperative overvoltage:
Overvoltage inertia inoperative time: 135 VAC fixed (no settings)
1 s fixed (no settings)
120 VAC
0.1 s or more
6.6 Electric energy pulse output/CC-Link communication section specifications
6.6.1 Electric energy pulse output
6.6.2 CC-Link communication
This function is turned ON when the line system is set to single-phase three-wire system. (The function is turned OFF
when set to any other line system.)
Item
Output elements
Contact capacity
Output pulse unit
Output pulse width
Max. wiring length
Solid state relay (SSR), No voltage a contact (113 and 114 terminals: no polarity)
Compatible with 24 VDC and 100 to 200 VAC, 20 mA
1, 10, 100, 1000 and 10000 kWh/pulse (settable)
0.35 to 0.45 s
100 m
Specification
Item Specification
Communication method
Communication speed
Synchronization method
Encoding method
Transmission format
Number of occupied stations
CC-Link version
Max. total extension cable length
Number of connected units
Connecting cable
Broadcast polling method
156 k/625 k/2.5 M/5 M/10 Mbps
Frame synchronization method
NRZI
Conforming to HDLC
Remote device occupying 1 station
CC-Link Ver. 1.10
1200 m (156 kbps), 900 m (625 kbps), 400 m (2.5 Mbps), 160 m (5 Mbps), 100 m (10 Mbps)
Max. 42
Cables applicable to CC-Link Ver. 1.10 (shielded 3-core twisted pair cables)
Note: Refer to the CC-Lin k Partner Association website (http: // www . cc-lin k. org /) for details .