16. Refer to Figure 1-5S for the following questions a. Identify the module in F

Question

16. Refer to Figure 1-5S for the following questions a. Identify the module in Figure 1-5S b. Identify A. e. Identify B e. Identify D f Identify H g Identily F Identify 11 Figure 1-58 Module for identification. 47. The following questions refer to Figure 1-59. a. Identify the module in Figure 1-59. b. Identifv A c. ldentifv B d. Identify C e, Identify D f. Identify E g Identify F h. Identify G i. Identify II. j Callouts C and D in the figure are intenally connected. Explain how these two ports work for this module k. The DIHRIOodale has two channels: A and B. Explain what these 48. Identify the module in Figure 1-60. can be configured tode a. Identify what this picture is. b. Identify A. e. Identify B d. Identify C e. Identify D f. Identify E g. Identify F h. Identify G

Explanation / Answer

Sol 46.

a) Module represented in Fig 1:58 is control Logix 1756-DNB communications module which is inserted in control logix chasis to gain access to Network.

b) Module status Alphanumeric Display. It provide diagnostic information about your module. The alphanumeric display flashes the codes at approximately one-second intervals. As an example, the display for RUN toggles between the node address and the mode of the 1756-DNB scanner module: A#01 RUN

c) Module and Network Status Indicator. This bi-color (green/red) status indicator provides device and communication status

d) Manual configuration Button to change Modules Node Address.

e) Wiring Diagram.

f) Open style Network terminal Block Connector.

g) OK Status Indicator - This bi-color (green/red) status indicator indicates whether the device has power and is operating properly.

h) I/O Status Indicator - This bi-color (green/red) status indicator indicates the status of the 1756-DNB scanner module’s I/O scanning state. The I/O status indicator informs you whether this device has outputs under control and whether any outputs or inputs are active (such as outputs active and inputs producing) or faulted. The I/O status indicator reflects the mod/state of the inputs and outputs, not necessarily the on/off condition of the I/O points themselves.

i) Module Identification.

Ans 47. No Fig 1-59 shown.

Ans 48. No Fig 1-60 shown.

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