Siemens VNT-PS User manual

Siemens Industry, Inc.
Building Technologies Division
P/N 315-050491-0
INTRODUCTION The Model VNT-PS is used to isolate the ground of the VNT (Virtual Network Tunnel)
from the FireFinder-XLS system ground.
INSTALLATION
Remove all system power before installation, first battery then AC. (To power up, connect the
AC first, then the battery.)
Mounting The VNT-PS mounts with an attached bracket onto the VNT-MP using the hex nuts
supplied with the VNT-MP.
VNT-PS
SLOTS FOR
MOUNTING
Figure 1
VNT-PS with Attached Bracket
The VNT-PS installs on the left edge of the VNT-MP mounting plate. Loosen the two
nuts on the left side of the VNT that are fastened to the VNT-MP, then slide the slots
of the VNT-PS bracket onto the studs.Tighten the nuts to securely fasten the VNT-PS
bracket in place. Refer to Figure 2.
VNT-PS
SLOTS FOR
MOUNTING
VNT-PS
VNT
VNT-MP
STUDS
Figure 2
Mounting the VNT-PS to the VNT-MP
Power Supply for VNT
Installation Instructions
Model VNT-PS

Siemens Industry, Inc.
Building Technologies Division
Florham Park, NJ
Siemens Building Technologies, Ltd.
Fire Safety & Security Products
2 Kenville Boulevard
Brampton, Ontario L6T 5E4 Canada
P/N 315-050491-0
WIRING Figure 3 is an example of typical wiring for the VNT-PS.
GND FAULT
24V 12A FAIL
24V 4A FAIL
MODULE FAIL
HNET FAIL
CAN FAIL
RESET
POWER
PSC-12
P5
11
19
1
1
+
+
+
_
_
_
2
2
H
N
GND
6
24
12
18
7
13
12
34
TB1
TB2
BATTERY
P9 P12
TB3
TB4
P4
OFF
O—
ON
P10
HNET/CAN
VIDEO
DO NOT USE
DO NOT USE
DIAGNOSTIC
ONLY
DIAGNOSTIC
ONLY
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
KEYBOARD
DO
NOT
USE
DO
NOT
USE
USB
SIDE
USB
SIDE
USB
SIDE
USB
SIDE
XND
ADDITIONAL 24V
NON-POWER LIMITED
ADDITIONAL 24V
NON-POWER LIMITED
+_
L1+
M1
BLK
RED
1
2
3
4
5
1
2
3
4
5
DO NOT USE
DO NOT USE
DO NOT USE
DO NOT USE
SUPERVISED,
NON-POWER
LIMITED
SUPERVISED,
NON-POWER
LIMITED
VNT-PS
+_
+_
BACK OF VNT
BACK OF VNT
ETHERNET
MULTIMODE
FIBER SWITCH
VNT
XND
SUPERVISED,
NON-POWER LIMITED
SUPERVISED,
NON-POWER LIMITED
SECURE WITH TIE WRAP
TO LANCES INSIDE
THE ENCLOSURE
SECURE WITH TIE WRAP
TO LANCES INSIDE
THE ENCLOSURE
Figure 3
Typical VNT-PS Wiring to VNT
ELECTRICAL RATINGS
Special Application: The VNT-PS may only be used to connect PSC-12 (P/N 500-
033340) and VNT (P/N 500-650490).
Output Voltage: 24VDC
Output Current: 1.7A max
Input Voltage: Regulated 24VDC
No Load Current: 50mA
Input Current: 2.0A @ 24VDC max.