SIEMENS MOM-2 Optional Card Cage Module Instruction Manual
- June 9, 2024
- SIEMENS
Table of Contents
Installation Instructions
Model MOM-2
Optional Card Cage Module
OPERATION
The Model MOM-2 Card Cage board (See Figure 1) provides the MXL/MXL-IQ with
two card slots for optional modules. Each MOM-2 has space for one full-width
optional module or two half-width optional modules. The MOM-2 comes with two
card guides for mounting one full-width module.
The half-width modules come with the necessary extra card guides for mounting
them.
The MOM-2 provides two power connector receptacles, two power connection
terminal blocks, and two data connector receptacles. A 24 VDC cable that
provides the main power used by the optional modules and an 8-wire ribbon
cable for connection of 5 VDC and data lines are provided with the MOM-2
installation kit.
INSTALLATION
Unpack the MOM-2 and its attached backplate. Inspect it, looking for such
things as connectors not properly installed, dirt, and packing material on the
board.
The MME-3 enclosure has three locations for the MOM-2 (or for OMM-1s, OMM-2s,
or MOM-4s). However, when a TSP-40 printer is installed in a system, it
decreases the number of MOM-2s to a maximum of two modules in a system.
The MSE-2 and MSE-3L enclosures each ave one location for the MOM-2.
The installation kit for the MOM-2 includes the following items:
Three #10 nuts Two card guides Two 2-wire cables One 8-conductor ribbon cable
Four #6 x 7 /16 screws Two #6 x 5 /16 screws
To install the card guides (See Figure 2):
Install the two card guides included in the package using the #6 x /16 screws
provided.
- Mount the long screws.
- Make sure that the locating pin on the guide is seated in the hole on the MOM-2.
- Tighten the screw.
Repeat this process for the remaining card guide. The MOM-2 is now ready to
accept the optional modules. If the system does not require the installation
of any half-width modules, install the two #6 x /16 screws in the center holes
where the additional card guides would be placed.
Remove all system power before installation, first battery and then AC.
(To power up, connect the AC first, then the battery.)
MOUNTING
(Refer to Figures 3, 4, and 5.)
To mount the MOM-2 card cage:
The MOM-2 mounts vertically in the MME-3 enclosure under the MMB or the PSR as
shown in Figure 3.
The MOM-2 mounts horizontally in the MSE-2 enclosure as shown in Figure 4.
The MOM-2 mounts vertically in the MSE-3L enclosure as shown in Figure 5.
To mount the MOM-2 in an MME-3 enclosure:
- Hold the MOM-2 so that terminal block TB4 is at the top right-hand position. (See Figure 1 for the location of TB4.)
- Place the module on the mounting studs of the MBR-MP mounting plate in the left-hand position as shown in Figure 3.
- Fasten the MOM-2 in position with the three No. 10 nuts provided, as shown in Figure 3.
- To mount any other MOM-2 modules used in the system, repeat the above steps. Use the center or right-hand position for the additional modules as needed.
To mount the MOM-2 in an MSE-2 enclosure:
- Hold the MOM-2 so that terminal blocks TB2 and TB4 are on the bottom. (See Figure 4.)
- Place the module horizontally on the mounting studs near the center of the enclosure as shown in Figure 4.
- Fasten the MOM-2 in position with two of the No. 10 nuts provided, as shown in Figure 4. Discard the remaining nut.
To mount the MOM-2 in an MSE-3L enclosure:
- Hold the MOM-2 so that terminal blocks TB2 and TB4 are on the left.
- Place the module vertically on the mounting studs near the top left of the enclosure as shown in Figure 5.
- Fasten the MOM-2 in position with the No. 10 flatwashers, lockwashers, and nuts provided.
Electrical Installation
There are two inputs that connect the MOM-2 with the MMB or SMB. These inputs
provide all the necessary power and data lines to support the optional
modules.
The first input is an 8-conductor ribbon cable.
Attach the cable to P6 on the MMB or SMB, making sure that the locking rib on
the cable connector engages the locking tab on P6.
Attach the other end of the cable to P7 on the MOM-2, again making sure that
the locking rib of the cable engages the locking tab on P7.
This cable supplies 5 VDC and communication between the MMB or SMB and the
MOM-2.
The second input feeds 24 VDC full wave unfiltered DC to the MOM-2. This input
connects to either P8 (MMB-1 or SMB-1 only) or TB6. A 2-wire cable is provided
for backward compatability with the MMB-1 or SMB-1. Connect one end of the
cable to P3 on the MMB-1 or SMB-1, making sure the cable rib and board tab
lock. Attach the other end of the cable to P8 on the MOM-2 in the same way.
This is the main power used by the optional modules.
The power source on the MOM-2 is limited to 2A max by the MMB-1 or SMB-1.
Under maximum load conditions, the optional modules must never draw more than
2A from this connection. When the 24 VDC is provided by either the MMB-2/-3 or
SMB-2, use TB6 on the MOM-2 to connect the power. The wire for this connection
is not supplied (See the MMB-2 Installation Instructions, P/N 315095097, the
MMB-3 Installation Instructions, P/N 315-048860 or the SMB-2 Installation
Instructions, P/N 315-095931.) When the system includes an MMB-2/-3 or SMB-2,
the maximum load current for the MOM-2 is 6A when using an MPS-6 and 12 amps
when using an MPS-12. However, the 6A must be reduced by the amount of current
being used by the CZM-1, PS-5A/ -5N7, and NAC outputs. Thus, if the full 1A
available to the CZM-1 and PS-5A/-5N7, and the 3A available to the NAC outputs
are used, derate the MOM-2 current to 2 amps (or, if an MPS-12 is used, derate
the MOM-2 current to 8A).
When the 24 VDC is provided by PSR-1, use TB6 on the MOM-2 to connect the
power. The wire for this connection is not supplied (See the PSR-1
Installation Instructions, P/N 315-090911, for terminal connections). When the
system includes a PSR-1, the maximum load current for the MOM-2 is 6A when
using an MPS-6 and 12 amps when using an MPS-12. However, the 6A must be
reduced by the amount of current being used by the CZM-1 and PS-5A/-5N7
output. Thus, if the full 2A available to the CZM-1
and PS-5A/-5N7 are used, derate the MOM-2 current to 4A (or, if an MPS-12 is
used, derate the MOM-2 current to 10A). Depending on the optional modules
installed, additional power may be available for alarm notification
appliances. See Table 1 for the maximum current required by each module under
full load conditions.
Determine which optional plug-in modules are used in your CSG-M configuration.
Depending on the optional modules used, determine the outstanding power by
using Table 1 (See the EXAMPLE). This power can be used for notification
appliances.
TABLE 1
MAXIMUM MODULE LOAD CURRENTS
ALD-2I| 105mA + 1.1mA per device
CMI-300| 96mA
CRM-4| 75mA (4 relays energized)
CSM-4| 34mA (no alarm notification
appliances connected)
CZM-4| 720mA max (with 4 zones in alarm)
NIM-1R| 0mA
REP-1| 150mA
XLD-1| 395mA (120 devices in alarm)
NOTE:
When a CSM-4 is used, you may add notification appliances to it if the maximum
load current to the MOM-2 does not exceed 2 amps (MMB-1 or SMB-1) or with an
MMB-2/-3, SMB-2, or PSR-1, 6 amps (MPS-6) or 12 amps (MPS-12). Include the
total alarm current on each CSM-4 notification appliance circuit when
performing the calculations.
EXAMPLE:
With: one CRM-4 and one CSM-4 Total load current = 0.075 + 0.034 = 0.109A
With MPS-6:
Remaining Available Current =
2.0 – 0.109 = 1.891A (MMB-1 or SMB-1)
6.0 – 0.109 = 5.891A (PSR-1 / MMB-2/-3 /
SMB-2) with no CZM-1, PS-5A/-5N7, or NAC load
With MPS-12:
Remaining Available Current =
2.0 – 0.109 = 1.891 (MMB-1 or SMB-1)
12.0 – 0.109 = 11.891 (PSR-1 / MMB-2/-3 /
SMB-2) with no CZM-1, PS-5A/-5N7, or NAC load
The remaining current may be used for alarm notification appliances.
Siemens Industry, Inc.
Building Technologies Division
Florham Park, NJ P/N 315-092777-9
Siemens Building Technologies, Ltd.
Fire Safety & Security Products
2 Kenview Boulevard Brampton, Ontario
L6T 5E4 Canada P/N 315-092777-9
firealarmresources.com
Documents / Resources
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SIEMENS MOM-2 Optional Card Cage
Module
[pdf] Instruction Manual
MOM-2 Optional Card Cage Module, MOM-2, Optional Card Cage Module, Cage Module
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