Omron CPM1A operation manual Three-word Monitor

c200

89AB

Programming Console Operations Section 4-3

(Word monitor)

2.Press the SHIFT and then the MONTR Key to begin binary monitoring. The ON/OFF status of the selected word’s 16 bits will be shown along the bottom of the display. A 1 indicates a bit is on, and a 0 indicates it is off.

SHIFT MONTR

c010 MONTR

0000000000000000

Bit 15 Bit 00

The status of force-set bits is indicated by “S,” and the status of a force-reset bits is indicated by “R,” as shown below.

c010 MONTR 000S0000000R0000

Force-set bit Force-reset bit

Note a) The status of displayed bits can be changed at this point. Refer to 4-3-20 Binary Data Modification for details.

b)The Up or Down Arrow Key can be pressed to display the status of the previous or next word’s bits.

3.Press the CLR Key to end binary monitoring and return to the normal moni- toring display.

CLR

c010

0000

4-3-14 Three-word Monitor

This operation is used to monitor the status of three consecutive words. It is possible in any mode.

RUN	MONITOR	PROGRAM
OK	OK	OK

1, 2, 3... 1. Monitor the status of the first of the three words according to the procedure described in 4-3-11 Bit, Digit, Word Monitor.

If 2 or more words are being monitored, the desired first word should be left- most on the display.

(Word monitor)

2.Press the EXT Key to begin 3-word monitoring. The status of the selected word and the next two words will be displayed, as shown below. In this case, DM 0000 was selected.

EXT

c202 c201 c200

0123 4567 89AB

The Up and Down Arrow Keys can be used to shift one address up or down.

The status of the displayed words can be changed at this point. Refer to 4-3-17Three-word Data Modification.

The display can be changed to display ASCII text, which is useful when three consecutive words containing an ASCII message are displayed. Refer to 4-3-25Hex-ASCII Display Change.

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