Manual

11-2
M-4660
• Tag,Memorysample,andAlarmdelay
Press MENU and then select Menu tab > Ext. channel > Tag, Memory sample, Alarm
delay.
• ChannelstoBeManuallySampled
See section 4.5.
Settings
• ConfiguringtheInput
The measured values of external devices are loaded into external input channels by
using the Modbus client or Modbus master function.
For conguration instructions, see the Communication Interface User’s Manual (IM
RD-MV1000-17E).
• First-CH,Last-CH
Select the target channels. Channel numbers are from 201 to 440.
• Ext.range>On/Off
Select On to use the channels.
• Ext.range>SpanLower,SpanUpper
The measurement range.
Selectable range of values: –30000 to 30000
Decimal place: Up to four fractional digits
• Ext.range>Unit
Set the unit (up to six characters,
A
a
#
1
).
• Ext.alarm
The available alarm types are high limit alarm, low limit alarm, delay high limit alarm,
and delay low limit alarm.
The range of alarm values is as follows:
Type Alarm Values Example of Alarm Values
H, L In the range of –30000 to 30000 ignoring
the decimal point
If the span is 0.0 to 100.0:
–3000.0 to 3000.0
T, t Same as H, L Same as H, L
For alarm conguration instructions, see section 3.7.
* If you change the On/Off or span settings of an external input channel, the alarm on that
channel will be set to Off.
11.1 Configuring External Input Channels