Tally/Contact Connector Input Connection Example; Tally/Contact Connector Output Connection Example; Input Waveform Of Tally/Contact Connector - Sony RM-IP500 Operating Instructions Manual

TALLY/CONTACT connector input
connection example
Switch or relay connection
External device
Open-collector connection
External device
RM-IP500
+3.3 V
10 kΩ
47 kΩ
47 kΩ
RM-IP500
+3.3 V
10 kΩ
47 kΩ
47 kΩ
TALLY/CONTACT connector output
connection example
RM-IP500
4.7 Ω
Input waveform of TALLY/CONTACT
connector
Approx. 2.7 V
(open voltage)
90%
0.2 V or less
(closed voltage)
Tfall
Tfall, Trise: within 5 msec
Tlow, Thigh: 33 msec or more
In Expand mode, the following can also
be applied:
Tally in 1
Tally in 2
Tally in 7
Tskew
Tskew: within 0.5 msec
Thold: 33 msec or more
53
External device
Recommended voltage: 5 V
(Maximum 24 V)
Maximum load
Load
current: 100 mA
10%
Tlow Thigh
Trise
Thold
Tskew