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The Sapling Company, Inc.
1633 Republic Road
Huntingdon Valley, PA 19006
USA
P. (+1) 215.322.6063
F. (+1) 215.322.8498
www.sapling-inc.com
Manual Controls - Protocol Descriptions
58th Minute (1) - The master clock performs an hourly correction that takes 55 seconds and occurs
between XX:58:05 and XX:59:00 of every hour. It also performs two daily corrections: one at 5:00AM and
another at 5:00PM. Each daily correction is ten relay cycles, each cycle is 95 seconds long, and the cycles
begin at 5:05AM/PM, 5:07, 5:09, 5:11, 5:13, 5:15, 5:17, 5:19, 5:21, and 5:23 respectively.
58th Minute (2) - The master clock performs an hourly correction that takes 60 seconds and occurs
between XX:58:00 and XX:59:00. It also performs two daily corrections: one at 5:00AM and one at
5:00PM. Each daily correction is made of twelve relay cycles, and each cycle consists of 65 seconds on and
25 seconds off
58th Minute (3) - The master clock performs an hourly correction that takes 60 seconds and occurs
between XX:58:00 and XX:59:00. It also performs two daily corrections: one at 5:00AM and one at
5:00PM. Each daily correction is made of twelve relay cycles, and each cycle consists of 60 seconds on and
120 seconds off.
58th Minute (4) - The master clock performs an hourly correction that takes 55 seconds and occurs
between XX:59:05 and XX:59:00. It also performs two daily corrections: one at 5:00AM and one at
5:00PM. Each daily correction is made of twelve relay cycles, each cycle is 55 seconds long, and the cycles
begin at 5:03:05AM/PM, 5:07:05, 5:11:05, 5:15:05, 5:19:05, 5:23:05, 5:27:05, 5:31:05, 5:35:05, 5:39:05,
5:43:05, and 5:47:05 respectively.
59th Minute - The master clock performs an hourly correction that takes 8 seconds and occurs between
XX:57:54 and XX:58:02. It also performs two daily corrections: one at 5:00AM and one at 5:00PM. Each
daily correction is a single 14 second pulse which lasts from 5:57:54 to 5:58:08.
National time & Rauland (1) - The master clock performs an hourly correction that takes 25 seconds and
occurs between XX:00:00 and XX:00:25. It also performs two daily corrections: one at 6:00AM and one at
6:00PM. Each daily correction is made of twenty four relay cycles consisting of 25 seconds on, followed by
35 seconds off.
National Time & Rauland (2) - The master clock performs an hourly correction that takes 25 seconds
and occurs between XX:00:00 and XX:00:25. It also performs two daily corrections at 6:00:25AM and
6:00:25PM. Each daily correction is a single 24 minute pulse which lasts from 6:00:25AM/PM to 6:24:25.
Once a Day Pulse - The master clock relay will close at a specific time and for an amount of time decided
by the clock circuit settings. These parameters are set by the user.
Once an Hour Pulse - The master clock relay will close at a specific minute and second of each hour for
an amount of time decided by the clock circuit settings. These parameters are set by the user.
Once a Minute Pulse - The master clock relay will close at a specific second of each minute for an
amount of time decided by the clock circuit settings. These parameters are set by the user.
Rauland Digital - The master clock will reset the secondary clock to 12:00:00AM, then advance the time
on the secondary clock by one minute for every 0.5 seconds that the Digital line is shorted to ground.
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