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Chapter 6 Web Page Of MSC intelligent monitoring unit 71
SmartCabinet Series Solution Product for IDC or Computer Rooms User Manual
Figure 6-45 Alarm linkage configuration 2
Firstly select a command, for instance,
‘OR’. In this case, the expression is ‘signal 1 [Input1 Register] OR signal 2
[Input2 Register] = signal 3 [Output Register]
’.
Secondly, when Signal is chosen for the input and output parameters, first choose the equip name from the drop-
down lists of Equip/Register ; then choose the signal type from the drop-down lists of Signal Type ; at last choose the
signal name from the drop-down lists of Signal Name ; signal 1, 2, 3 can be any available signals of the MSC
intelligent monitoring system.
Thirdly, when Register is chosen for the parameters, users need to type the register name in the textbox of the
register, for instance, R(0), R(1) and so on, as shown in Figure 6-45.
If you click the Add button, as shown in Figure 6-46, an alarm linkage expression is added. Click the Save and
Apply button to make it effective. Click the Delete NMS button to delete the PLC expression, and click the Save and
Apply button to make the setting effective.
Figure 6-46 Alarm linkage configuration 3
The operator usages in the alarm linkage are listed in Table 6-3.
Table 6-3 Operator usages in the alarm linkage
Operator Input 1 Input 2 Param1 Param2 Output Expression
SET / / P1 / Sout/Rout SET_ _P1_Output
AND Sin1 /Rin1 Sin2 /Rin2 / / Sout/Rout Sin1 [Rin1] AND Sin2 [Rin2] = Sout [Rout]
OR Sin1 /Rin1 Sin2 /Rin2 / / Sout/Rout Sin1 [Rin1] OR Sin2[Rin2] = Sout [Rout]
NOT Sin1 /Rin1 / / / Sout/Rout Sin1 [Rin1] NOT = Sout [Rout]
XOR Sin1 /Rin1 Sin2 /Rin2 / / Sout/Rout Sin1 [Rin1] XOR Sin2[Rin2] = Sout [Rout]
GT Sin1 /Rin1 / P1 P2 Sout/Rout
When Sin1 [Rin1] > P1, Sout [Rout]=1;
When Sin1 [Rin1] < P1 - P2, Sout [Rout]=0
LT Sin1 /Rin1 / P1 P2 Sout/Rout
When Sin1 [Rin1] < P1, Sout [Rout]=1;
When Sin1 [Rin1] > P1 + P2, Sout [Rout]=0
DS Sin1 /Rin1 / P1 / Sout/Rout Sin1 [Rin1] DS P1 output to Sout [Rout]
Note:
1. Sin1, Rin1, Sin2, Rin2, P1, P2, Sout, Rout respectively refer to Signal 1, Input1 Register, Signal 2, Input2 Register, Parameter
1, Parameter 2, Signal 3, Output Register;
2. The input signal of logic operator AND/OR/NOT/XOR/DS can only be alarm signal;
3. The input signal value of arithmetic operator GT/LT can only be float, int or long int;
4. All output signals can only be control signals, and the output signal value must be enumerated type
Data & History
The Data & History menu supplies query service of all types of historical data and logs for the user.