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Page 7
PIN
Function
Output
Description
1
CHANNEL 1 SET POINT relay
Common
See
2
CHANNEL 1 SET POINT relay
Normally closed (NC)
See
3
CHANNEL 1 SET POINT status
+5 V
See
NOTE 1
4
CHANNEL 2 SET POINT relay
Common
See
5
CHANNEL 2 SET POINT relay
Normally closed (NC)
See
8
CHANNEL 2 current monitor
See
9
CHANNEL 2 HV monitor
See
10
CHANNEL 2 TTL input
11
CHANNEL 1 (-) HV status
+12 V
See
NOTE 2
12
Voltage output
+5 V
See
NOTE 3
13
CHANNEL 1 TTL input
14
CHANNEL 1 SET POINT relay
Normally open (NO)
See
15
Earth ground
16
Digital ground
17
CHANNEL 2 SET POINT relay
Normally open (NO)
See
18
CHANNEL 2 SET POINT status
+5 V
See
NOTE 4
21
CHANNEL 2 (-) HV status
+12 V
See
NOTE 5
22
CHANNEL 2 (+) HV status
+12 V
See
NOTE 6
23
CHANNEL 1 current monitor
See
24
CHANNEL 1 HV monitor
See
25
CHANNEL 1 (+) HV status
+12 V
See
NOTE 7
NOTES
1.
PIN 3
: Nominal output available when CHANNEL 1 relay is active
2.
PIN 11
: Nominal output available when CHANNEL 1 voltage operation is
enabled and output polarity is negative
3.
PIN 12
: Same as PIN 7 on the MISC I/O port
4.
PIN 18
: Same as PIN 3, but for CHANNEL 2
5.
PIN 21
: Same as PIN 11, but for CHANNEL 2
6.
PIN 22
: Same as PIN 25, but for CHANNEL 2
7.
PIN 25
: Nominal output available when CHANNEL 1 voltage operation is
enabled and output polarity is positive
8.
PIN 6-7, 19-20
: Not available
Table 2.
AUXILIARY I/O pin assignment