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30-second Compensation Bit AR 2113 is turned ON to round the seconds of the Calendar/clock Area to zero,
i.e., if the seconds is 29 or less, it is merely set to 00; if the seconds is 30 or great-
er, the minutes is incremented by 1 and the seconds is set to 00.
Clock Stop Bit AR 2114 is turned OFF to enable the operation of the Calendar/clock Area and
ON to stop the operation.
Clock Set Bit AR 2115 is used to set the Calendar/clock Area as described below. This data
must be in BCD and must be set within the limits for the Calendar/clock Area
given above.
1, 2, 3...
1. Turn ON AR 2114 (Stop Bit).
2. Set the desired date, day, and time, being careful not to turn OFF AR 2114
(Clock Stop Bit) when setting the day of the week (they’re in the same word).
(On the Programming Console, the Bit/Digit Monitor and Force Set/Reset
Operations are the easiest ways to set this data.)
3. Turn ON AR 2115 (Clock Set Bit). The Calendar/clock will automatically start
operating with the designated settings and AR 2114 and AR 2115 will both
be turned OFF.
The Calendar/clock Area and Bits are refreshed each cycle while operational.
Clock Accuracy Clock accuracy is affected by the ambient temperature as shown in the following
table.
Ambient
temperature
Accuracy (loss or
gain per month)
55°C –3 to 0 minutes
25°C ±1 minute
0°C –2 to 0 minutes
3-5-10 TERMINAL Mode Key Bits
If the Programming Console is mounted to the PC and is in TERMINAL mode,
any inputs on keys 0 through 9 (including characters A through F, i.e, keys 0
through 5 with SHIFT) will turn on a corresponding bit in AR 22. TERMINAL
mode is entered by a Programming Console operation.
The bits in AR 22 correspond to Programming Console inputs as follows:
Bit Programming Console input
AR 2200 0
AR 2201 1
AR 2202 2
AR 2203 3
AR 2204 4
AR 2205 5
AR 2206 6
AR 2207 7
AR 2208 8
AR 2209 9
AR 2210 A
AR 2211 B
AR 2212 C
AR 2213 D
AR 2214 E
AR 2215 F
Refer to
Section 7 Program Monitoring and Execution
for details on the TERMI-
NAL mode.
AR Area Section 3-5