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47D Series Modbus Reference Guide EM-9501-C Rev.4
3.8 ALARM SETTING
3.8.1 COMMON SETTING
ADDR. WORD CONTENTS
UNIT
4001
1
Manual sub display reset
0 : Alarm setpoint display is automatically reset (*)
1 : Alarm setpoint display is manually reset
4002
1
Display flashing rate at alarm conditions
0 : No flashing (*)
1 : Main display flashing in 1.0 (approx.) intervals
2 : Main display flashing in 0.5 (approx.) intervals
3 : Main display flashing in 0.3 (approx.) intervals
4003
1
Alarm output pattern
0 : Normal (*)
1 : Zone
4004
1
P output
One of LL, L, H and HH output terminals can be assigned for P.
0 : No P output (*)
1 : LL
2 : L
3 : H
4 : HH
1 (LL) and 4 (HH) are usable only with the quad alarm output option.
4005
1
Latching alarm
0 : No latching; output and measuring continued (*)
1 : Output latched / Measuring continued
2 : Output and measuring latched
4006
1
Standby sequence
0 : Output standing by until the input signal comes into P zone after the power is turned on
1 : Output is immediately provided after the power is turned on (*)
4007
1
Alarm trip at over-range
T R
Burnout is handled as over-range.
0 : Alarm trip action valid at over-range (*)
1 : No alarm trip action at over-range
4008
1
Alarm power ON delay
seconds/10
0 ... 9999
Factory setting : 0
4009
1
Bank switching
0 : Disabled (*)
1 : Enabled via the front button control
2 : Enabled via Modbus communication
With this register set to ‘0,’ only Bank 1 is used regardless of the settings at Register 801 or 4101.
With ‘1,’ Bank No. specified at Register 4101 is used.
With ‘2,’ Bank No. specified at Register 801 is used.
In actual applications, use Register 801 to switch Bank No. via Modbus communication by setting this register
to ‘2.’ Register 4101 is not suitable for frequent switching during operation.
