Roland V-600UHD 4K HDR Multi-Format Video Switcher - Manual (Page 49)

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Control Using the TALLY/GPI Connector
Inputting a Control Signal
To operate the V-600UHD remotely using control-signal input, you
first assign the function to a GPI channel (1 through 8).
1. Select the [MENU] button & “System” & “GPI,” and
press the [VALUE] knob.
2. Use the [VALUE] knob to specify the function to
assign to the GPI channel (1 through 8).
& Details on menu items: p. 45
3. Press the [MENU] button to quit the menu.
When a control signal is input from an external source, the
assigned function is executed. The GPI trigger is fixed at the
trailing edge (low: On).
Outputting a Tally Signal
A tally signal is output from the connector pin corresponding to the
video channel being output, also including video composition and
transition effects.
Pin layout
5 4 3 2 1
15 16 17 18 19 20 21 22 23 24 25 14
10 11 12 13 9 8 7 6
DB-25 type (female)
Tally output
Trigger method Open collector
Maximum input 12 V/200 mA
Control input
Trigger method No-voltage contact (make-contact) triggering
Contact capacity DC 24 V 0.1 A or higher
Input method Photocoupler
Pin assignments
Pin No. Function Pin No. Function
1 TALLY 1 PGM 14 TALLY 7 PST
2 TALLY 1 PST 15 TALLY 8 PGM
3 TALLY 2 PGM 16 TALLY 8 PST
4 TALLY 2 PST 17 GND
5 TALLY 3 PGM 18 GPI 1
6 TALLY 3 PST 19 GPI 2
7 TALLY 4 PGM 20 GPI 3
8 TALLY 4 PST 21 GPI 4
9 TALLY 5 PGM 22 GPI 5
10 TALLY 5 PST 23 GPI 6
11 TALLY 6 PGM 24 GPI 7
12 TALLY 6 PST 25 GPI 8
13 TALLY 7 PGM
You can operate the V-600UHD remotely from an external device by inputting a GPI control signal via the TALLY/GPI connector.
And you can output a tally signal from the TALLY/GPI connector.
Specification of the TALLY/GPI Connector