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Analogue Input
User Defined Maximum Input Ranges
For values entered for the Range Type in the
Relay Alarm/Digital Input Specification
SIREC D300 and SIREC D200 recorders have one 'slot' for digital inputs and alarm relay
outputs. All alarm card channels provide 240V AC isolation channel to channel and channel
to recorder. Digital I/O channels will provide isolation to 100V AC test voltage (not for mains
connection).
The SIREC D400 recorder has three available expansion slots for Digital Input/Relay Alarm
output cards.
Inputs are automatically debounced to remove switching oscillations. All Digital Inputs are
volt free contacts, and are sampled at 10Hz max.
Relay/Alarm Output Card Options
There are two card options, split into two types:
120/240 VAC 3 Amps rated (resistive load). The relay contacts are form C (NO, NC) and
includes suppression.
120/240V AC 3 Amps rated (resistive load). Two channels on the 8 Relay Alarm card, can
be used as digital inputs. The relay contacts are form C (NO, NC) and includes suppression.
The 8 & 2 Relay Alarm card, this 8-channel card will have 8 mains rated relays, of which 2
of the 8 channels can be configured for use as digital inputs.
220
Analogue Input
Preset Ranges
50V
25V
12V
6V
3V
1.5V
0.6V
0.3V
4 Channel Relay Alarm Card
8 Channel Relay Alarm Card
"Analogue In Menu" on page
Table 12.1 : Analogue In Ranges
Maximum
Preset Ranges
Voltages
52V
1000mV
26V
500mV
13V
250mV
6.5V
100mV
3.25V
50mV
1.6V
25mV
0.8V
10mV
0.4V
5mV
52.
Maximum
Voltages
1.1V
600mV
300mV
150mV
75mV
36mV
18mV
9mV
43-TV-25-35 GLO Iss.4 Dec 06 UK
A5E01001767-04
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