Chapter 7 IO Module
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Upon the completion of initialization, if the calibration and detection is not executed, the
module then waits for the calibration and detection instruction, with the yellow lamp flashing
based on a frequency of 4 times/second. When the CPU module gives the calibration and
detection instruction and the module is undergoing calibration and detection, the yellow is
turned normally on. Upon the completion of calibration and detection, the yellow lamp then
flashes again.
During calibration and detection, the green lamp is normally no. When the communication is
disconnected, the green lamp flashes. When the communication is established again, the
green lamp is turned normally on again
When the communication is not established or disconnected, the yellow lamp then goes out.
Table 7-74 Definition of LK511 Indicator Light in Calibration Mode
The communication is not established or incorrect.
Under calibration and detection
Calibration and detection is not conducted or is completed
7.10.4 Wirings
The LK511 module be installed on the extension backboard. The LK backboard can provide both
terminal connection and precast cable connection. Only the backboard terminal connection is
discussed here.
Table 7-75 Definition of LK511 Backboard Terminals
Current Output Terminal (Positive)
Current Input Terminal (Negative)
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