Siemens IGWIPS200-1 User Manual download pdf (Page 32)

IGWiPS200-1

0.0

1.0

2.0

3.0

4.0

-115 -110

-105

-100

-95 -90 -85

-80

-75

Signal Strength (-dBm)

+DC Volts

RSSI vs DC Voltage

MG00446a

Figure 21 Received Signal Strength Graph

TRANSCEIVER AND I/O EXPANSION MODULE STATUS LED INDICATIONS

Power LED Indicates the presence of power to the module. It is ON when power is present and OFF when

there is no power.

Status LED When flashing rapidly, it indicates an internal error or a module type mismatch. A module type

mismatch occurs when the module address selection for two different modules (i.e. one digital

modules and one analog module are set to the same address or two pairs of modules are sharing

the same address).

RF Link LED Flashes once every two seconds when there is no RF link.

Note: At the Master transceiver, an RF Link failure will not be indicated by the master

transceiver or the connected I/O Expansion Modules until the master has lost RF Link with

all Remote transceivers. A Remote transceiver will indicate a loss of RF Link when it

cannot communicate with the master transceiver.

Flashes rapidly when signal strength is marginal (see the RSSI graph in the Servicing section of

this guide.

ON steady indicates an exceptionally strong RF link.

Most systems will flash occasionally indicating the presence of intermittent interference in the

area.

Digital

Input/Output

OFF means that the digital input or output circuit is Open.

ON means that the digital input or output circuit is Closed.

PULSE INPUT MODULE DIAGNOSTIC LED’S

There are 4 diagnostic LED’s on the pulse input module:

Status LED: On solid when I/O is functional and flashing if there is a conflict with another module.

Backup Power LED: On solid when the backup power supply is powering the module. Off when primary

power is powering the module.

Pulse Input 1 and 2 LEDs: These lights will flicker at a varying frequency when pulses are applied to each

channel:

Frequency Range (Hz) LED Flashing Frequency (Hz)

1 ≤ frequency ≤ 10

10 < frequency ≤ 100

100 < frequency ≤ 1000

1000 < frequency ≤ 32K

On solid

May 2007

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