Sine Systems RFC-1/B User Manual

RFC-1 Advanced Operation page 6.30
Each hour setting uses 2 memory addresses. Program the first digit of the hour at the location listed as “V1” and
program the second digit at the memory location listed as “V2”. Do this with both the start and stop hours. The
example below shows programming for an alarm block that is active every day of the week in every month from
8:00pm (20 hours) to 6:00am (06 hours).
- Programming -
Addr Description Section Default Current Alternate Use / Notes
0256 Date/time trigger 48: action sequence 6.7.4 0 15 Alarm block 48: block indicator
0257 Date/time trigger 48: month 6.7.4 0 1 Alarm block 48: alarm to block
0258 Date/time trigger 48: date—value 1 6.7.4 0 15 Alarm block 48: month
0259 Date/time trigger 48: date—value 2 6.7.4 0 15 Alarm block 48: day(s) of week
0260 Date/time trigger 48: hour—value 1 6.7.4 0 2 Alarm block 48: start hour—V1
0261 Date/time trigger 48: hour—value 2 6.7.4 0 0 Alarm block 48: start hour—V2
0262 Date/time trigger 48: minute—value 1 6.7.4 0 0 Alarm block 48: end hour—V1
0263 Date/time trigger 48: minute—value 2 6.7.4 0 6 Alarm block 48: end hour—V2
6.6.7 Alarm Scan Interval and Sequence
The alarm scan interval determines how frequently the RFC-1 checks the alarm channels. The alarm scan sequence
determines in what order the alarm channels are checked.
In the factory setting the RFC-1 checks one alarm channel every 10 seconds. The alarms are checked in rotation:
alarm A, B, C, and so on. After alarm H is checked the system loops back to alarm A. Unused alarms are ignored so
if only alarms A-C are used the rotation will loop from alarm C to alarm A.
The rate at which the alarms are checked can be changed according to the table below. Additionally, there is a
weighted scan rotation that checks alarm H more frequently than all other alarms. The weighted scan rotation is:
alarm A, H, B, H, C, H, and so on. The weighted scan gives alarm H higher priority than the other alarms.
V1
Scan Interval
Scan Rotation
V1
Scan Interval
Scan Rotation
0
5 seconds
Normal: A, B, C, D, E, F, …
8
5 seconds
Weighted: A, H, B, H, C, H, …
1 *
10 seconds
Normal: A, B, C, D, E, F, …
9
10 seconds
Weighted: A, H, B, H, C, H, …
2
15 seconds
Normal: A, B, C, D, E, F, …
10
15 seconds
Weighted: A, H, B, H, C, H, …
3
30 seconds
Normal: A, B, C, D, E, F, …
11
30 seconds
Weighted: A, H, B, H, C, H, …
4
45 seconds
Normal: A, B, C, D, E, F, …
12
45 seconds
Weighted: A, H, B, H, C, H, …
5
60 seconds
Normal: A, B, C, D, E, F, …
13
60 seconds
Weighted: A, H, B, H, C, H, …
6
120 seconds
Normal: A, B, C, D, E, F, …
14
120 seconds
Weighted: A, H, B, H, C, H, …
7
240 seconds
Normal: A, B, C, D, E, F, …
15
240 seconds
Weighted: A, H, B, H, C, H, …
* This is the default setting.
The scan interval and sequence are programmed at memory address 1013. Select the value from the table above
and program it at this address to adjust the scan interval and/or scan rotation.
The scan interval and the number alarms in use determine how often a specific alarm channel will be checked.
Assuming the default setting of 10 seconds for the scan interval, a single alarm will be checked every 10 seconds. If
two alarms are used, each alarm is checked every 20 seconds. Alarm conditions are typically recognized within
several seconds in actual use due to randomness and statistical distribution.

Sine Systems RFC-1/B Specifications

General

Brand	Sine Systems
Model	RFC-1/B
Category	Remote Control
Language	English