JULABO LH 50 Highly Dynamic Temperature Control Systems - Manual (Page 20)

Operating controls and functional elements
20
2.3 Key to swap line 3 on the VFD
ID xx Identification no. of control module RD
L xx Capacity in %
E xxx.xx or I xxx.xx Actual value (external or internal)
P x.xx Pump pressure in bar
2.4
Int Key to swap line 1 on the VFD
Actual value Int or Ext alternating with line 3
2.5
Key to indicate the safety temperature on the VFD
Line 2: TANK - Safety temperature in internal bath
Line 3: RES - Safety temperature in internal reservoir
2.6 Adjustable excess temperature protection (safety temperature)
Used for setting the safety temperature in the internal bath, called
"TANK" on the display
2.7 Adjustable safety temperature.
Used for setting the safety temperature in the internal reservoir,
called "RES" on the display
2.8 Key for automatic filling and air purge of the unit as well as the
connected external system.
3 Socket board
3.1
REG+E-PROG
Programmer input and temperature recorder output
3.2
STAND-BY
Stand-by input (for external emergency switch-off)
3.3
ALARM
Alarm output (for external alarm signal)
3.4
EXT. Pt100
Connector for external measurement and control sensor
3.5 SERIAL Interface RS232/RS485
3.6
RD
Connector: control cable of control module RD