EN Universal Timer Module

MO144

Operators Guide EN Universal Timer Module

MO144 | Operators Guide | Notices EN | 2

Copyright Notice Notice of Liability Unless otherwise indicated, this publication is the While every precaution has been taken in the copyright of Bosch Security Systems, Inc. (“Bosch”). preparation of this document, neither Bosch Security All rights are reserved. Systems, Inc. nor any of its official representatives You may download a single copy of this publication. shall have any liability to any person or entity with By downloading the publication you agree that you respect to any liability, loss or damage caused or will: (i) only use the publication for your own alleged to be caused directly or indirectly by the reference; (ii) not commercially exploit or charge any information contained in this book. person for the use of the publication; and (iii) not Bosch Security Systems, Inc. reserves the right to modify the publication in any way without the prior make changes to features and specifications at any written permission of Bosch. time without prior notification in the interest of Except as specified above or where authorised by the ongoing product development and improvement. Copyright Act 1968 (Cth), no part of this publication may be reproduced, transmitted, modified or stored, in any form or by any means, without the prior written permission of Bosch.

Bosch Security Systems, Inc. | 3/08 | F01U000819-02

MO144 | Operators Guide | 1. Introduction EN | 3

1. Introduction Table 2: Operating Mode Switch Settings The programmable MO144 Universal Timer Module is designed to be one of the most adaptable timing units available. The universal timer module has eight Mode Mode Type 1 2 3 unique modes of operation and a flexible relay 1 One Shot Off Off Off output making the unit suitable for security 2 One Shot – Retriggerable On Off Off applications as well as for any other situation where 3 Strobe Reset Off On Off accurate time delays are required. 4 Entry/Exit On On Off The universal timer module is capable of timing 5 Digital Toggle Off Off On periods as small as 100 ms (±5 ms) up to a maximum 6 Fixed Pulse On Off On of 4 days or 96 hours (± 8 min). The module can also 7 Delayed Trigger Off On On be configured to operate as a digital toggle unit or a 8 Pulse Analyzer On On On pulse analyser for use with glass break detectors and shock sensors. 4.2 Scale and Time DIP switches 4, 5, and 6 select the time scale. 2. Specifications Switches 7, 8, and 9 select the multiplier for the time. Table 4 is only relevant when using operating modes Table 1: Specifications 1 (One Shot), 2 (One Shot – Retriggerable), 3 (Strobe Reset), and 7 (Delayed Trigger).

Accuracy Dependent on scale 4.3 Intensity and Pulses Standby Current 10 mA @ 12 VDC When Pulse Analyser Mode is selected, DIP switches Operating Current 50 mA @ 12 VDC 4, 5, and 6 set the input shock intensity and switches Relay Contact 1 A 7, 8, and 9 select the number of pulses that are Trigger Voltage <7 V low to trigger received during a 30 second period before the output >6 V high to trigger is triggered. Refer to Table 5 for more information. Dimensions 2.0 cm x 4.0 cm x 8.0 cm (H x W x L) (0.79 in x 1.57 in x 3.15 in) 4.4 Input Trigger Polarity Weight 30 g (1.06 oz.) DIP switch 10 selects the input trigger polarity. When switch 10 is in the OFF position, the timer is 3. LD1 Indicator triggered when +12V is removed from the TRIG input. The trigger input must be connected to +12V The universal timer module has a built-in indicator in the normal state and then removed to trigger. light that illuminates when the relay is energised, or when a pulse is detected, depending on the mode of When switch 10 is in the ON position, the timer is operation. triggered when +12V applied to the TRIG input. The TRIG input must be open circuit or connected If the Pulse Analyser mode is selected, the LED turns to ground and then go to +12V to trigger. on for 100 ms and off for 2 seconds. If a pulse is detected, the LED turns on for 2 seconds. If there is If you require a low or 0V trigger input, you must an alarm condition, the LED turns on for 3 seconds connect a 1K resistor between the TRIG input and and the relay also energises for 3 seconds. +12V terminals as shown in Figure 1. Figure 1: Low Input Trigger 4. DIP Switch Settings 4.1 Operating Mode

DIP switches 1 to 3 select the operating mode. The 2 operting mode determines how the relay behaves 1 when the input is triggered. MO144

1 – Globe 2 – Trigger input

Bosch Security Systems, Inc. | 3/08 | F01U000819-02

MO144 | Operators Guide | 5. Operating Modes EN | 4

After the universal timer is triggered (50 milli- 5. Operating Modes seconds), the module operates the relay after the programmed entry time has expired. If the universal 5.1 One Shot timer is unsealed at the end of the exit time, the When One Shot Mode is selected, a change of state universal timer automatically triggers the relay. on the TRIG input (depending on trigger type) DIP switches 4, 5, and 6 set the entry time. DIP energises the relay for the programmed period of switches 7, 8, and 9 set the relay on-time. If the relay time. Changes on the input terminal after the initial on-time is set to latching mode, the universal timer trigger have no effect on the timing. The relay is must be powered down to reset. reset once the programmed time period expires. The example circuit in Figure 5 shows a simple one- In the example in Figure 2, the globe turns on for the sector alarm system. preset time when the switch is closed. The switch is Refer to Table 3 for setting the DIP switches for the disregarded until the preset time expires. entry timer and the relay on-time. 5.2 One Shot – Retriggerable Table 3: Entry/Exit Mode Time Switch Settings When this mode of operation is selected, a change of state on the TRIG input energises the relay for the programmed time period. If the input is triggered Entry Time Relay On-Time again before the programmed time period expires, Value 4 5 6 Value 7 8 9 the timer is reset and restarted, which extends the Instant Off Off Off 1 sec Off Off Off one-shot time. (100 ms) In the circuit in Figure 3, the globe turns on for the 10 sec On Off Off 30 sec On Off Off preset time when the switch is closed momentarily. If 20 sec Off On Off 1 min Off On Off the switch is pressed again before the globe turns off, 30 sec On On Off 2 min On On Off the preset time is extended. 40 sec Off Off On 3 min Off Off On 5.3 Strobe Reset 50 sec On Off On 5 min On Off On 1 min Off On On 10 min Off On On If Strobe Reset Mode is selected, a constant trigger 2 min On On On Latching On On On signal on the TRIG input energises the relay. The relay remains energised as long as the TRIG input is 5.5 Digital Toggle held in the triggered state. The relay is reset when the When Digital Toggle Mode is selected, a single timer expires or when the trigger signal is removed. trigger pulse on the TRIG input toggles the relay, If a strobe is required to reset after a preset time, the and another pulse toggles the relay back to the circuit in Figure 4 can be used. normal state. The scale and time programming 5.4 Entry/Exit switches have no effect when this mode of operation is selected. When Entry/Exit Mode is selected, the universal In the example circuit in Figure 6, closing the switch timer module acts as a small alarm system. When it is once turns the globe on. Pressing the switch again powered up, the universal timer has a fixed exit timer turns it off. of 60 seconds. After this 60-second exit time, the universal timer is ready to be triggered.

Figure 2: One Shot Mode

MO144 2

1 – Switch 2 – Globe

Bosch Security Systems, Inc. | 3/08 | F01U000819-02

MO144 | Operators Guide | 5. Operating Modes EN | 5

Figure 3: One Shot (Retriggerable) Mode

MO144 2

1 – Switch 2 – Globe Figure 4: Strobe Reset Mode

2 MO144

1 – Strobe 2 – To strobe output on alarm control panel Figure 5: Entry/Exit Mode

MO144 4 2

1 – Reed switch 3 – N/O 2 – Key switch 4 – DC siren Figure 6: Digital Toggle Mode

MO144 2

1 – Switch 2 – Globe

Bosch Security Systems, Inc. | 3/08 | F01U000819-02

MO144 | Operators Guide | 5. Operating Modes EN | 6

Table 4: Scale and Time Switch Settings

Scale Time Multiplier No Time Scale 4 5 6 Multiplier 7 8 9 1 100 ms ± 5 ms Off Off Off x 1 Off Off Off 2 1 sec ± 50 ms On Off Off x 2 On Off Off 3 10 sec ± 0.5 sec Off On Off x 3 Off On Off 4 100 sec ± 1 sec On On Off x 4 On On Off 5 1 min ± 1 sec Off Off On x 5 Off Off On 6 10 min ± 1 sec On Off On x 6 On Off On 7 1 hr ± 1 min Off On On x 7 Off On On 8 12 hr ± 1 min On On On x 8 On On On

5.6 Fixed Pulse The shock intensity is a measure of the size of a shock and determines whether the shock is When Fixed Pulse Mode is selected, a constant registered. Shock intensity varies from 10 to 80. trigger signal on the TRIG input energises the relay for 1 second and then de-energises the relay If the TRIG input is open circuit for longer than for the programmed time period. This sequence 2 seconds, the output relay is automatically continues as long as the trigger signal remains triggered. Once triggered, the relay remains present. energised for 2 seconds. Refer to Table 5 for more information. When the switch is closed in the example circuit in Figure 7, the globe is turned on for 1 second and Table 5: Intensity and Pulses then off for the preset time. The timer repeats this sequence until the switch is released. Shock Intensity Number of Pulses 5.7 Delayed Trigger Value 4 5 6 # 7 8 9 When Delayed Trigger Mode is selected, a 10 Off Off Off 1 Off Off Off constant trigger signal on the TRIG input causes 20 On Off Off 2 On Off Off the module to count down the time delay. When 30 Off On Off 3 Off On Off the delay time expires, the relay operates until the 40 On On Off 4 On On Off trigger is removed. Removing the trigger at any time stops the delay time or resets the relay. This 50 Off Off On 5 Off Off On mode is ideally suited for delaying the trigger to a 60 On Off On 6 On Off On device after a event has occurred, such as a 70 Off On On 7 Off On On refrigerator that is out of temperature range. 80 On On On 8 On On On When the switch is closed for the preset time in If the timer detects a pulse on the TRIG input with the circuit in Figure 8, the globe lights and stays on a duration greater than that set by switches 4, 5, until the switch is released. and 6 over a 1-second period, the timer registers 5.8 Pulse Analyzer the pulse. Only one pulse can be registered within a 1-second period. These pulses are then counted Pulse Analyzer Mode is used to connect to inertia over a 30-second window. switches. The universal timer monitors pulses In the example circuit in Figure 9, the zone on the generated by inertia switches connected to the control panel is tripped for 2 seconds if a pulse is circuit and then processes the pulses according to detected. the DIP switch settings. DIP switches 4, 5, and 6 set the shock intensity and DIP switches 7, 8, and The circuit in Figure 10 is used if the inertia sensor 9 program the number of pulses required to trigger has a normally open contact. If a pulse is detected, the unit. the zone on the control panel is tripped for 2 seconds.

Bosch Security Systems, Inc. | 3/08 | F01U000819-02

MO144 | Operators Guide | 5. Operating Modes EN | 7

Figure 7: Fixed Pulse Mode

2 MO144

1 – Switch 2 – Globe Figure 8: Delayed Trigger Mode

MO144 2

1 – Switch 2 – Globe Figure 9: Pulse Analyzer Mode (Example 1)

MO144 2

1 – Inertia switch 3 – EOL resistor 2 – To zone on alarm control module Figure 10: Pulse Analyzer Mode (Example 2, N/O Inertia Sensor)

1 2

MO144 3

1 – Inertia switch (automotive) 3 – To zone on alarm control module 2 –1K resistor 4 – EOL resistor

Bosch Security Systems, Inc. | 3/08 | F01U000819-02

Bosch Security Systems, Inc. 130 Perinton Parkway Fairport, NY 14450