Honeywell X Series User Manual page 264

16 Digital Inputs
(Not available for the eZtrend QXe recorder)
16 Digital I/O card, this 16-channel card allows the user to configure each channel to be ei-
ther relay output or digital input. Relay output rated at 24V DC 1 Amp rated (resistive load).
Digital Input Functions
The digital inputs can be used for the following actions;
Failsafe Relay Positions
258
• A Digital contact on an input can be used to enable or disable one or any combination of
alarms
• Can be used in Maths expressions
• Can have current status indicated on DPMs, Bars and Charts
QXe, QX and SX Relay Positions (no alarms active)
Normal
Relay Output
States
Failsafe
Relay Output
States
Table 12.2 :
NO
Power On Open
Power Off Open
NO
Power On Closed
Power Off Open
NC
Closed
Closed
NC
Open
Closed
43-TV-25-30 Iss.6 GLO Aug 07 UK