Installation
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UDC3300 Basic Model: DC330B User Manual
17
Control Relays
ATTENTION
Control relays operate in the standard control mode: i.e., energized when output state is
on.
Table 2-3 Control Relay Contact Information
Unit Power
Control Relay
Wiring
Control Relay
Contact
#1 or #2 Output
Indicator Status
N.O.
Open
Off
N.C.
Closed
Off
N.O.
Open
Closed
Off
On
On
N.C.
Closed
Open
Off
On
Alarm Relays
ATTENTION
Alarms relays are designed to operate in a failsafe mode; i.e., de-energized during alarm
state. This results in alarm actuation when power is OFF or when initially applied, until the
unit completes self-diagnostics. If the unit loses power, the alarms will function.
Table 2-4 Alarm Relay Contact Information
Variable
NOT in Alarm State
Variable
in Alarm State
Unit
Power
Alarm
Relay
Wiring
Relay
Contact
Indicators
Relay
Contact
Indicators
N.O.
Open
Open
Off
N.C.
Closed
Off
Closed
Off
N.O.
Closed
Open
On
N.C.
Open
Off
Closed
On
Содержание DC3300
Страница 1: ...Sensing and Control UDC3300 Basic Model DC330B User Manual 51 52 25 78 5 00 ...
Страница 26: ...Installation 18 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 70: ...Setpoint Rate Ramp Soak Program Operation 62 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 72: ...Environmental and Operating Conditions 64 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 74: ...Model Selection Guide 66 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 80: ...Position Proportional Calibration 72 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 82: ...Input Ranges 74 UDC3300 Basic Model DC330B User Manual 5 00 ...
Страница 83: ......