Rear Panel Connector Definitions; Sensor Input A And B Connector Details; Heater Output Connector Details - Lakeshore 331S User Manual

5. Remove and discard both existing fuses. Replace with proper Slow-Blow (time-delay) fuse ratings
as follows:
100/120 V
220/240 V
6. Re-assemble line input assembly in reverse order.
7. Verify voltage indicator in the line input assembly window.
8. Connect instrument power cord.
9. Turn power switch On ( l ).
8.4

REAR PANEL CONNECTOR DEFINITIONS

The Sensor Input, Heater Output, Relays and Analog Output, and RS-232 connectors are defined in
Figures 8-2 thru 8-5. For thermocouple connector details, refer to Figure 3-4.
Service
Lake Shore Model 331 Temperature Controller User's Manual
1.60 A T 250 V 5 × 20 mm
0.80 A T 250 V 5 × 20 mm
I+
V+
Pin Symbol
1 I– – Current
2 V– – Voltage
+1 mA – Model 330 Configuration
Shield – Model 340 Configuration
3
Refer to Paragraph 8.8 for jumper settings
that determine the output of this pin and to
Paragraph 3.5.1 for a general explanation.
4 V+ + Voltage
5 I+ + Current
6 None Shield
Figure 8-2. Sensor INPUT A and B Connector Details
HEATER OUTPUT HEATER OUTPUT
HI HI
60V MAX
Pin
1
2
3
Figure 8-3. HEATER OUTPUT Connector Details
I­
V­
!
C331-8-2.eps
Description
LO LO
Description
HI (Banana)
LO (Banana)
Ground (Banana)
C-331-8-3.eps
8-3