7-12
7.5.4 Extended
parameters
The following are extended parameters for setting or adjusting various functions of the water supply unit.
Note
Extended parameters can be changed only when the operation mode is set to
“Stop.” Therefore, make the settings before starting the operation of the water
supply unit.
(1) External relay output pattern setting
: External Relay Output Pattern
Function
Seletcts a pattern of the signals to be output from the relays M1, M2, and B1 to
B5.
For the patterns, see Table 7-5-4.
Adjustable
range
0 to 4
Initial setting
0 (This can be preset to a value that is specified when an order is placed.)
Remarks
The common terminal for M1 and M2 is MC, and the common terminal for B1 to
B5 is BC.
Table 7-5-4 External relay output pattern
P100 setting
Terminal
0 1 2 3 4
M1
No.1 operation
No.1 operation
No.1 operation
No.1 operation
Collective
operation
*7
M2
No.2 operation
No.2 operation No.2
operation No.2
operation Inspection
*8
B1 No.1
failure
*1
Serious
failure
*3
Overload INV
trip
*9
No.1
failure
*1
B2 No.2
failure
*1
Slight
failure
*4
Discharge
pressure abnormal
drop
Discharge
pressure abnormal
drop
No.2 failure
*1
B3
Receiver tank full
-
Electric leak
Electric leak
Receiver tank full
B4
Receiver tank low,
Dry-run prevention
- Level
anomaly
*5
Level anomaly
*5
Receiver tank low,
Dry-run prevention
B5 Trouble
*2
Collective
failure
*6
Collective failure
*6
Collective failure
*6
Trouble
*2
*1 The “No.(n) failure” signal is output if one of the following alarms occurs at the No.(n) pump.
(n: 1 or 2)
Discharge pressure abnormal drop, Electric leak, INV trip, High temperature, Flow switch failure
*2 The “Trouble” signal is output if one of the following alarms occurs.
Electrode failure, Start frequency failure, Pressure transmitter 1 failure, Control panel high
temperature, EEPROM error
*3 The “Serious failure” signal is output if no pumps can run in the automatic mode in the event of an
error.
Note that the signal is not output if the “Operation Permission” settings for all the pumps are set to
“Operation blockeded.”
*4 The “Slight failure” signal is output if any of the pumps can still run in the automatic mode in the
event of an error.
*5 The “Level anomaly” signal is output if any of the “Receiver tank full,” “Receiver tank low,” “Dry-run
prevention,” or “Electrode failure” alarms occur.
*6 The “Collective failure” signal is output if any type of an alarm occurs.
*7 The “Collective operation” signal is output if any of the pumps are running.
*8 The “Inspection” signal is output in the inspection mode.
*9 The “INV trip” is output if one of the following alarms occurs.
Overload, Overcurrent, Overvoltage, Stall prevention, Inverter overload, Open-phase output,
Inverter overheat, Communication failure, Inverter trouble 1, Inverter trouble 2
