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18
■ Alarm Port Connection
The ALARM port can be used for connecting the alarm sen-
sor and alarm control switches. It is also used to synchro-
nize the sequence as shown below.
• Connect the sensor switches to the ALARM port on the
rear of the Disk Recorder, as shown in the example
below.
Designation
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Alarm Input 1
Alarm Input 2
Alarm Input 3
Alarm Input 4
Sequence Timing Input
Alarm Reset Output
Ground
Alarm Recover Input
Alarm Output
Alarm Input 10
Alarm Input 11
Alarm Input 12
Alarm Input 13
Pin
No.
14
15
16
17
18
19
20
21
22
23
24
25
Designation
Ground
Alarm Input 5
Alarm Input 6
Alarm Input 7
Alarm Input 8
Alarm Input 9
Ground
+5 V Output (0.2 A)
Recording Timer Select
Input
Alarm Input 14
Alarm Input 15
Alarm Input 16
ALARM
1
13
14
25
• The sequence timing can be assigned to one of the
recorders when the multiple Disk Recorders are
equipped in the system.
Connect the CONTROL port and ALARM port as shown
below.
Refer to the SEQ TIMING in the SEQUENCE SETUP
menu for further setting.
If the sequence timing is controlled from the outboard
device, the input signal is required as shown in the fig-
ure. For example, the WJ-HD500B output is also in the
figure.
CONTROL
5
7
Ground
Sequence Timing Input
ALARM
WJ-HD500B (1st)
WJ-HD500B (2nd)
15
4
Sequence Timing Output
Ground
input
100 ms 100 ms
WJ-HD500B
output
500 ms 100 ms