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The 8 and 16 Digital I/O option card has 4 channels that can be set as pulse inputs (first 4
channels). The operating frequency for pulse inputs on the Digital I/O card is 1kHz max.
Input: Low < 1V, High >4.5V to <10V DC (9V to 20V p-p AC) or Volt free input: Low = short
circuit, High = open circuit.
.
Digital Input Card Channel Numbers
The Digital input cards are either 8 or 16 channels with a full length connector taking up 16
channels even if only 8 channels are in operation. Both the digital input cards can be used
as a relay card if required.
The 16 channel Digital I/O card is not available on the SIREC D200.
43-TV-25-35 GLO Iss.4 Dec 06 UK
A5E01001767-04
Electrical Installation
NOTICE
For Digital Inputs, short together the 2 pins of the channels with a switch or a relay.
Pulse Inputs
Figure 2.11 Digital Input/Output card connector details
CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
NO C NO C NO C NO C NO C NO C NO C NO C
Digital Input card 8 channel
Card
position
Slot G
Slot H
Slot I
CH9 CH10 CH11 CH12 CH13 CH14 CH15 CH16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NO C NO C NO C NO C NO C NO C NO C NO C
NO = Normally Open
C = Common
Table 2.7 :
Digital Input card 16
Channel
Card
number
position
1 to 8
Slot G
17 to 24
Slot H
33 to 40
Slot I
channel
Channel
number
1 to 16
17 to 32
33 to 48
27
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