Specifications

3. INITIALIZE COMMUNICATION DATA
IMR01H03-E4
43
Continued from the previous page.
Name Data range Factory set value Attri-
bute
Control action type
selection
0: PID control (Direct action)
1
1: PID control (Reverse action)
1
2: Heat/cool control (Water cooling)
2
3: Heat/cool control (Air cooling)
2
Note 1 R/W
Alarm 1 type
selection
3
0: No alarm
1: SV high alarm
2: SV low alarm
3: Process high alarm
4: Process low alarm
5: Deviation high alarm
6: Deviation low alarm
7: Deviation high/low alarm
8: Band alarm
9: Control loop break alarm
4
Factory set value
varies depending on
the instrument
specification.
R/W
Alarm 1 hold action
selection
5
0: Without alarm hold action
1: Effective when the power is turned on,
or operation is changed from STOP to
RUN.
2: Valid when:
• the power is turned on,
• operation is changed from STOP to
RUN,
• the SV is changed, or
• the memory area (control area) is
changed.
Without alarm hold
action: 0
With alarm hold
action: 2
R/W
Alarm 1 timer setting 0 to 6000 seconds (See P. 28)0R/W
Alarm 1
action selection at
input error
0: Normal processing
1: Forcibly turned on when abnormal
(See P. 29)
0R/W
Alarm 1
differential gap setting
0 (0.0) to span Note 2 R/W
1
When the instrument specification is heat/cool control, no setting can be changed.
2
When the instrument specification is only heat control, no setting can be changed.
The MA901 does not perform heat/cool control.
3
When using the FAIL alarm, always set the alarm type to “0: No alarm.”
4
Control loop break alarm can not be specified in case of heat/cool control.
5
The alarm hold action can not be added to the FAIL alarm, SV high alarm, SV low alarm, control
loop break alarm and heater break alarm.
Note 1 Factory set value varies depending on the instrument specification.
Note 2 TC and RTD inputs: 2 °C [°F] or 2.0 °C [°F]
Voltage input: 0.2 % of span
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