NF FRA5022, Instruction Manual

Page: 117 / 145

5.6 Status System
FRA5022
5-39
5.6.5 Overload Status
The overload status structure is shown on figure 5-5.
As can be seen on table 5-6, the overload event register displays
FRA5022
’ s input/output
status.
When the overload event enable register bits are set to 1, the corresponding overload
event register bits become valid. When at least one such bit is set to 1, the status byte
OVE bit is set to 1.
Figure 5-5 Overload status structure
Table 5-6 Overload event register contents
Bit Weight Contents (when standard status 1)
CH2 2 4 Excessive input detected in CH2 (OVER lamp lit)
CH1 1 2 Excessive input detected in CH1 (OVER lamp lit)
OUTP 0 1 The oscillator output current has largely exceeded the allowable
range
Other
－ －
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
Always at 0 (unused)
CH2 excessive input (CH2)
CH1 excessive input (CH1)
Output excessive input (OUTP)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
L
og
ic
al
OR
OVER (Overload event register)
OVEE (Overload event enable register)
Overload event
status summary
Status byte OVE (bit 0)