
1200AC Analog Clock Manual
Revision 1.1 1200
7. SOFTWARE CONTROL.....................................................................................................15
7.1. CONNECTING THE CLOCK TO A COMPUTER....................................................................15
7.1.1. Requirements.....................................................................................................................15
7.1.2. Connecting the COM Port..................................................................................................15
7.1.3. Terminal Program Setup....................................................................................................15
7.2. COMMAND DESCRIPTIONS..................................................................................................15
7.2.1. Parameters.........................................................................................................................16
7.2.2. System Overview. ..............................................................................................................17
7.2.3. Assigning A Clock To A Specific Group.............................................................................17
7.2.4. Sending A Message To Specific Downstream Clocks.......................................................17
7.2.5. Sending A Message To a Group of Downstream Clocks...................................................17
7.2.6. Reading Register Values From A Clock.............................................................................18
7.2.7. Setting the Clock time........................................................................................................18
7.2.8. Setting the Time Zone Offset.............................................................................................19
7.2.9. Setting the Clock Date .......................................................................................................19
7.2.10. Automatic Daylight Saving Mode .......................................................................................19
7.2.10.1.Enabling Automatic Daylight Saving Adjust Mode...............................................20
7.2.10.2.Disabling Automatic Daylight Saving Adjust Mode..............................................20
7.2.10.3.Setting the Daylight Saving Time Offset Value....................................................20
7.2.10.4.Setting the Daylight Saving Time Date Mode......................................................20
7.2.10.5.Setting the Daylight Saving Time Start and Stop Hour........................................20
7.2.10.6.Setting the Daylight Saving Time Dates – Week Mode.......................................21
7.2.10.7.Setting the Daylight Saving Time Dates – Month Mode......................................21
Figures
Figure 1-1: Clock Block Diagram ........................................................................................................................ 2
Figure 2-1: Rear Panel Overview........................................................................................................................ 3
Figure 2-2: Rear Panel Connections and Controls............................................................................................. 3
Figure 2-3: Rear Panel Mounting Template........................................................................................................ 5
Figure 6-1: Master/Slave Mode Schematic....................................................................................................... 13
Figure 6-2: Setting the Clock to Master Mode .................................................................................................. 14
Figure 6-3: Setting the Clock to Slave Mode..................................................................................................... 14
Tables
Table 2-1: COM Port Pinout................................................................................................................................ 4
Table 5-1: DIP Switch Functions Overview......................................................................................................... 9
Table 5-2: Time Zone Offset Switch Settings.................................................................................................... 10
Table 5-3: Default Time Code Rate DIP Switch Functions............................................................................... 11
Table 5-4: Second Hand Mode DIP Switch Functions...................................................................................... 11
Table 6-1: Comparison of Master and Slave Modes......................................................................................... 13
Table 7-1: Read Back Commands.................................................................................................................... 18
Table 7-2: DST Register Default Values........................................................................................................... 19