Lakeshore 425 User Manual page 74

66 c 8: Service
HAPTER
Model 425 Gaussmeter
Pin Description
1 Monitor out
2 Internal use only
3 Internal use only
4 No connection
5 Internal use only
6 Internal use only
7 No connection
8 Relay 1 normally open
9 Relay 1 common
10
Relay 1 normally closed
11 Internal use only
12 Internal use only
13 Internal use only
TABLE 8-3 Auxiliary I/O connector details
FIGURE 8-2 Probe input socket
Pin Description
1 V input +
2 No connection
3 Internal use only
4 Internal use only
5 Internal use only
6 Internal use only
7 No connection
8 I Hall +
TABLE 8-4 Probe input connector details
2 1
3 4
FIGURE 8-3 USB connector
Pin Name Description
1 VCC +5 VDC
2 D- Data –
3 D+ Data +
4 GND Ground
TABLE 8-5 USB connector details
Pin Description
14 Ground
15 Ground
16 Ground
17 No connection
18 No connection
19 No connection
20 No connection
21 No connection
22 No connection
23
No connection
24 No connection
25 No connection
Pin Description
9 V input –
10 No connection
11 EEPROM GND
12 EEPROM VCC
13 EEPROM CLK
14 EEPROM DATA
15 I Hall –