Page 19
Millwatch/Silowatch
Single Stream
User Guide
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.
Alarm, maintenance and
system OK relays
13 Digital Inputs and Outputs
WARNING
Trigger Connections must be volt-free.
Item Function
From
To
1
System OK
Conn 11
NO
Common
NC
Pin 1
Pin 2
Pin 3
Customer's recording device
2
Maintenance/
Calibration Relay
output
Conn 12
NO
Common
NC
Pin 1
Pin 2
Pin 3
Customer's recording device
3
High Alarm CO
Conn 13
NO
Common
NC
Pin 1
Pin 2
Pin 3
Customer's recording device
4
High Alarm
Oxygen
Conn 14
NO
Common
NC
Pin 1
Pin 2
Pin 3
Customer's recording device
5
External trigger
calibration
J2
Pin 1
Pin 2
Short Pin 1 to Pin 2 for
Calibration
6
Mid Alarm CO
Conn 15
NO
Common
NC
Pin 1
Pin 2
Pin 3
Customer's recording device
