JUMO 14597 safetyM STB/STW Ex - Safety Temperature Limiter and Safety Temperature Monitor Operating Manual - Manual (Page 37)

6 Safety Manual
31 2013-04-01
6.2 Safety temperature monitor (STW)
The safety temperature monitor is a device that is automatically reset when activated once the probe temperature has fallen
below or risen above the set limit value by an amount equal to the switching differential. Possible settings: monitoring for limit
value overrange or underrange.
Modes of operation:
- Minimum requirements: 2B, 2K, 2P
- Additional requirements met: 2N, 2D
6.2.1 Safe operating status STW
The safe status is when the alarm relay output between terminals 14 and 16 is switched off (closed-circuit principle).