Wiring The Alarm Contact; Functional Description; Alarm Relay Specifications - Thermo Scientific OGH 60 Series Operating Instructions Manual

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Wiring the Alarm Contact

Table 5-2 Terminal Commands for Querying Data
Command Syntax
?:0012:00::c3
Temperature Set Value (T1); Current Work Space Temperature (T2); Reference
Temperature (T3); Sample Sensor Temperature (T4)
?:3010:00::c2
Wiring the Alarm Contact

Functional Description

When system errors and failures occur in the temperature control circuits, an alarm message
is issued to the connected alarm monitoring system. The potential-free contact (single
changeover-type contact) has been designed for the circuit configuration specified below.

Alarm Relay Specifications

5-14 Heratherm
Response Example
!:0012:08:01:02:23:dc
!:3010:1f:+125.00;+124.96;+000.000;+000.00:b0
Thermo Electron LED GmbH warrants the operational safety and the
operativeness of the oven only if installation and repairs are performed
by skilled personnel.
The connection of the oven to an external alarm system must only be
carried out by adequately trained and authorized electrical engineering
or telecommunications expert personnel!
The alarm relay is energized by all error conditions reported by internal control
loops.
Time
T1 T2
Skilled work
Switching behavior
2
T3 T4
Thermo Electron LED GmbH