Bosch DS7432 User manual

Installation manual

for the

DS7432 Eight Input Remote Module

1.0 Description

The DS7432 is an Eight Input Remote Module that provides a

means of addressing up to eight input loops of conventional

contacts to the multiplex bus of the control.

2.0 Specifications

• Control Panel Requirements: The DS7432 is designed

to work with the following control panels:

• A DS7400, DS7400X, DS7400Xi, DS7400Xi Rev. 3 or

DS7400Xi Rev. 4.

• Up to 7 DS7432s can be used per DS7400 system.

• Up to 15 DS7432 modules are allowed on DS7400X,

Xi and Xi Rev. 3.

• The DS7400Xi Rev. 4 control panel can support up to

30 DS7432 modules.

• One DS7430, DS7436 or DS9431 Multiplex Expansion

Module is required in the system to use the DS7432

Remote Module.

• Current Draw: 10 mA Standby, 10 mA Alarm

•Minimum Bus Voltage For Operation: 8 VDC peak

• Wiring: Refer to the reference guide for the panel’s

multiplex expansion module for multiplex wiring

requirements. The length of the wire connected to the loop

inputs on the DS7432 must be less than 250 ft. (76 m) per

loop.

• The recommended wiring to the control is standard #18

(1.22 mm) or #22 (0.74 mm) AWG, quad (4-wire) cable.

Do not use shielded or twisted pair cable.

• For fire applications, #18 AWG (1.2 mm) wire is

required.

3.0 Installation

P3 of the DS7432 is for European application

only. Do not put a jumper here.

P2 of the DS7432 allows the tamper switch to be bypassed

with a jumper when testing or servicing.

Remove jumper P2 when testing or servicing

has been completed.

Use the mounting holes (upper left and lower right corners) to

mount. It can be mounted inside or outside of the control

enclosure.

Route wiring as necessary from the DS7430, DS7436 or

DS9431 in the control enclosure and from the remote devices

to the DS7432.

Connect wiring as shown in Figure 3.

If using separate powered detectors (other than

smoke detectors) with a DS7400 Series

Control/Communicator, the DS7432 can be

powered from the control panel auxiliary power

(terminals 7 and 8). The detector can be

connected to the DS7432 (see Figure 4). This

eliminates the need for home-run power wiring

from each detector to the control when the

DS7432 is mounted outside of the enclosure.

Be sure all wiring is unpowered before routing.

If the wiring is to enter through the rear of the enclosure, open

the DS7432's rear wire entrance. If the wiring is to run along

the surface of the enclosure, open the DS7432's surface wire

entrance. See Figure 2.

4.0 Programming

4.1 System Programming

Refer to the System Programming section in your panel’s

reference guide for Zone programming information.

4.1 DIP Switch Settings

The DIP switches select which zones will be activated by the

loop inputs. Set the DIP switches as shown in Table 1 (Page

2).

• No two DS7432s should be set the same.

• The DS7432 occupies eight zones when connected to the

control panel. The input loops of the DS7432 correspond

to the zones of the control as shown in Table 2.

Figure 1: DIP Switch Orientation

+ – + – 1 2 3 4 5 6 7 8

POWER BUS

Locking tab

Surface Wire Entrance

Rear Wire Entrance

Tamper Switch DIP switch

Figure 2: DS7432 Front View Without Cover

DS7432 Installation manual © Bosch Security Systems B.V., 2020 Page 2

DIP Switches

Zones 12345

9-16 Off Off Off Off On

17-24 Off Off Off On Off

25-32 Off Off Off On On

33-40 Off Off On Off Off

41-48 Off Off On Off On

49-56 Off Off On On Off

57-64 Off Off On On On

65-72 Off On Off Off Off

73-80 Off On Off Off On

81-88 Off On Off On Off

89-96 Off On Off On On

97-104 Off On On Off Off

105-112 Off On On Off On

113-120 Off On On On Off

121-128 Off On On On On

129-136 On Off Off Off Off

137-144 On Off Off Off On

145-152 On Off Off On Off

153-160 On Off Off On On

161-168 On Off On Off Off

169-176 On Off On Off On

177-184 On Off On On Off

185-192 On Off On On On

193-200 On On Off Off Off

201-208 On On Off Off On

209-216 On On Off On Off

217-224 On On Off On On

225-232 On On On Off Off

233-240 On On On Off On

241-248 On On On On Off

249-256 On On On On On

Table 1: DIP Switch Settings

Zone Number

DS7432 Input

Loop 12345678

Zones 9-16 910 11 12 13 14 15 16

Zones 17-24 17 18 19 20 21 22 23 24

Zones 25-32 25 26 27 28 29 30 31 32

Zones 33-40 33 34 35 36 37 38 39 40

Zones 41-48 41 42 43 44 45 46 47 48

Zones 49-56 49 50 51 52 53 54 55 56

Zones 57-64 57 58 59 60 61 62 63 64

Zones 65-72 65 66 67 68 69 70 71 72

Zones 73-80 73 74 75 76 77 78 79 80

Zones 81-88 81 82 83 84 85 86 87 88

Zones 89-96 89 90 91 92 93 94 95 96

Zones 97-104 97 98 99 100 101 102 103 104

Zones 105-112 105 106 107 108 109 110 111 112

Zones 113-120 113 114 115 116 117 118 119 120

Zones 121-128 121 122 123 124 125 126 127 128

Zones 129-136 129 130 131 132 133 134 135 136

Zones 137-144 137 138 139 140 141 142 143 144

Zones 145-152 145 146 147 148 149 150 151 152

Zones 153-160 153 154 155 156 157 158 159 160

Zones 161-168 161 162 163 164 165 166 167 168

Zones 169-176 169 170 171 172 173 174 175 176

Zones 177-184 177 178 179 180 181 182 183 184

Zones 185-192 185 186 187 188 189 190 191 192

Zones 193-200 193 194 195 196 197 198 199 200

Zones 201-208 201 202 203 204 205 206 207 208

Zones 209-216 209 210 211 212 213 214 215 216

Zones 217-224 217 218 219 220 221 222 223 224

Zones 225-232 225 226 227 228 229 230 231 232

Zones 233-240 233 234 235 236 237 238 239 240

Zones 241-248 241 242 243 244 245 246 247 248

Zones 249-256 249 250 251 252 253 254 255 256

Table 2: Loop/Zone Number Relationship

Points 249-256 are not available for DS9400

use.

DS7432 Installation manual © Bosch Security Systems B.V., 2020 Page 3

+ – + – 1 2 3 4 5 6 7 8

NC NC

NO NO

NC NC

NO NO

NC NC

NO NO

NC NC

POWER BUS

47KΩ47KΩ47KΩ47KΩ47KΩ47KΩ47KΩ47KΩ

To control panel 12VDC power terminals:

DS7400, terminals 7 and 8, Fig. 4

DS9400, terminals RA and BA, Fig. 5

To DS7430, DS7436 or DS9431 MUX

BUS Terminals (see Figure 4 or 5)

Input Loops

To separate powered detectors (other than smoke detectors)

Burg. EOL resistor: DS P/N: 26069 (included)

Fire EOL resistor: DS P/N: 28010 (sold separately)

When used with a DS9431 , power is

connected to the option bus power terminals

(RA or RB = +, BA or BB = -). Connection to

other (24V) sources will damage the DS7432.

For UL Listed fire installations, Normally

Open (N/O) contacts must be used.

Initiating circuits are Class B

Figure 3: Wiring the DS7432 with Separate Powered Detectors

Auxiliary

Power -

Smoke

Detector

Smoke

Detector

EOL

Relay

EOL

Resistor

P/N: 28010

DS7400Xi Control/Communicator PCB

DS7430 MUX

Expansion Module

Power

DS7432 8-Input Remote Module

+ – 2 3 4 5 6 7 8

Smoke Power -

Smoke Power +

Example: DS250 in an

MB4W base.

Example: EOL200

Bus +

Either BusAor BusB, or both, may be used

for MUX connections when using the

DS7436 MUX Expansion Module. See the

panel’s reference guide for information.

Smoke

Power -

Auxiliary

Power +

Smoke Power -

BUS 1+ –

POWER

Bus

NFPA 72 does not allow redundant/duplicate

ground paths, do not connect wiring to the

BUS (-) terminal on this module for fire

applications. Only the BUS (+) needs to be

connected.

PO2 If Programmed

Any LP+ Terminal

Figure 4: 4-Wire Smoke Detector Wiring for the DS7432 and DS7400Xi Control/Communicator.

Torenallee 49 5617 BA, Eindhoven, Netherlands DS7432 Installation manual

P/N: F01U262013-02 Page 4

21 3

4 5 6

7 8 9

Cmnd

Prog

Clear

Disable

Drill

Test

History

Reset

Silence

Trouble

Silenced

Power

Alarm

+ – 2 3 4 5 6 7 8

POWER

12V Power (-)

12V Power (+)

EOL

Resistor

P/N: 28010

Smoke

Detector

Smoke

Detector

EOL

Relay

Bus (+)

Power + may be connected to RA or RB

on the FACP Option Bus terminal strip.

Power - may be connected to BA or BB on

the FACP Option Bus.

Bus + and Bus - are connected to

MUX A terminals for addresses 9 -

128. MUX B terminals are for

addresses 129 - 255.

Example:

DS250 in a MB4W base

Example: EOL200

DS9400 FACP

DS9431Multiplex Expansion Module

I/O Module for the

DS9431 Multiplex

Expansion Module

DS7432 Eight Input Remote Module

L+

AUX-

AUX+

24V Smoke Power (-)

24V Smoke Power (+)

+ –

BUS

SMK-

SMK+

NFPA 72 does not allow redundant/duplicate

ground paths, do not connect wiring to the

BUS (-) terminal on this module for fire

applications. Only the BUS (+) needs to be

connected.

Figure 5: 4-Wire Smoke Detector Wiring for the DS7432 and DS9400 Series FACP

For UL Listed fire installations, Normally Open (N/O) contacts must be used.

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