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Installing and Configuring the E1459A
J indicates jumper, X is a number that can be ignored and CC indicates channel
number. The default factory setting is for 5 volts. Pin 1 can be identified by the
square pad on the bottom of the board.
Ch 0
Ch 3
Ch 6
Ch 57
Ch 63
Ch 60
.
Figure 1-6 Input Threshold Level Jumpers and Watchdog Reset Time Jumpers
Setting the Reset Time on the Watchdog Timer
There are 2 jumpers located on the PC board used to control the reset time of the
Watchdog Timer (see Figure 6). The reset time is the maximum allowed time
between accesses to keep the Watchdog from asserting SYSRESET. The
Watchdog timer is reset by reading the Watchdog Control/Status register; use
the DIAG:SYSR:STAT? command (see Chapter 3).
The following table shows the effect of the jumpers on the reset time. An X
means that the jumper is in place and O indicates the jumper is removed. The
factory default setting is 1.2 second.
22
Ch 1
Ch 2
Ch 5
Ch 8
Ch 59
Ch 62
Ch 61
Jumper
600 ms
JM202
O
JM203
O
12 Volt
PET Time
Jumpers
JM202
JM203
Reset Time
150 ms
1.2 sec
X
O
O
X
Keysight E1459A/Z2404B User and SCPI Programming Guide
Configuring for Installation
48 Volt
24 Volt
5 Volt Settings
(Factory Default)
Not Allowed
X
X
.
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