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13 Digital Inputs and Outputs
WARNING
Trigger Connections must be volt-free.
Item Function
1
System OK
2
Maintenance/
Calibration Relay
output
3
High Alarm CO
4
High Alarm
Oxygen
5
External trigger
calibration
6
Mid Alarm CO
User Guide
From
Conn 11
NO
Common
NC
Conn 12
NO
Common
NC
Conn 13
NO
Common
NC
Conn 14
NO
Common
NC
J2
Conn 15
NO
Common
NC
Millwatch / Silowatch
Alarm, maintenance and
system OK relays
J2 External Calibration Trigger
Push-button or relay contacts
must remain closed for more
than 2 seconds. The calibration
will not start until it opens again.
To
Pin 1
Customer's recording device
Pin 2
Pin 3
Pin 1
Customer's recording device
Pin 2
Pin 3
Pin 1
Customer's recording device
Pin 2
Pin 3
Pin 1
Customer's recording device
Pin 2
Pin 3
Pin 1
Short Pin 1 to Pin 2 for
Pin 2
Calibration
Pin 1
Customer's recording device
Pin 2
Pin 3
19
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