Channel Master CM-5020 Specifications download pdf (Page 40)

Channel Master Operation Manual

page 32 Teledyne RD Instruments

8.6 Personality Module Replacement

Personality modules can be replaced to change the Channel Master commu-

nications protocols (i.e. switch from RS-422 to RS-232).

a. Remove all power to the Channel Master.

b. Remove the I/O cable and place the dummy plug on the I/O cable con-

nector (see “I/O Cable and Dummy Plug,” page 18).

c. Set the transducer assembly (transducer face down) on a soft pad.

d. Remove the housing (see “Housing Assembly Removal,” page 22).

CAUTION. Before handling any Channel Master PC boards, always wear

an earth-grounding static protection strap. The electronics in the Channel

Master are very sensitive to static discharge. Static discharge can cause

damage that will not be seen immediately and will result in early failure of

electronic components.

We assume that a qualified technician or equivalent will perform all of the

following work.

e. With your earth-ground static protection strap on, push the side of the

black plastic board clamp toward the edge of the board far enough so the

Personality Module can be removed (see Figure 18). Pull out the Per-

sonality Module and replace it with the new module. Make sure the

board clamp is securely snapped over the new Personality Module.

f. Replace the housing (see “Housing Assembly Replacement,” page 26).

g. Test the Channel Master (see “Testing Your Channel Master,” page 13).

PUSH BOARD CLAMP

LIFT PERSONALITY MODULE

PUSH BOARD CLAMP

LIFT PERSONALITY MODULE

Figure 18. Personality Module

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Channel Master CM-5020 Specifications Page 40