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Fig. 9.3
To use the VCM-88 with Protea Software, internal
data jumpers (see fig. 9.2) must be placed in the RS-232
position on the printed circuit board.
On the VCM-88E, the Standard protocol selection
is used for Ashly RD-8, RW-8, AMX, and Crestron. To
control the VCM-88E with Protea System Software, select
the Protea Software protocol on the back-panel DIP
switches.
The RS-232 Input connector to a VCM-88(E) is a
D-Sub 9 pin female, and connects to an unused Com port
on a PC. See fig. 9.4 for custom RS-232 wiring. Protea
System Software allows Com Port assignment (1-16) in its
setup menu. If the only available port on a PC is a USB
port, a USB to RS-232 converter can be purchased from
computer suppliers. Protea System Software is available
free of charge on the Ashly website <www.ashly.com>.
Fig. 9.4
Operating Manual - VCM-88, VCM-88E, RD-8, RW-8 Level Controllers
D-Sub 9 Pin Female
RS-232 Pin-Out
5
4
3
2
1
9
8
7
6
Pin #
RS-23 2 DCE Name
1
Not C onnected
2
Transm itted Data
3
Received Data
4
Data Terminal Ready (tied to pin 6 )
5
Ground
6
Data Set Ready (tied to pin 4)
7
Not C onnected
8
Not C onnected
9
Not C onnected
9.5 MIDI Implementation
VCM-88E can be fully imple-
mented in a MIDI system as a
slave unit, that is, able to receive
data without being able to gener-
ate new data. On the VCM-88, the
MIDI Thru jack is a buffered re-
flection of the MIDI input, and is
used to connect to other MIDI de-
vices in the network. On the VCM-
88E, use the Slave Data In and Out
to connect to a MIDI controller.
The quality and accuracy of MIDI
control is limited only by the qual-
ity of the MIDI Master device.
MIDI network, two circuit board
jumpers must be placed in the
MIDI position (see fig. 9.2) to se-
lect the MIDI communications
protocol. To use the VCM-88E in a MIDI network, set the
back panel Protocol DIP switch to the MIDI configuration.
Set the VCM-88 to the desired MIDI Channel
(VCM-88 device 1-16) using the Bank ID Select jumpers
found on the circuit board (see fig. 9.5). Device 1 equals
MIDI channel 1, device 2 equals MIDI channels 2, and so
on, up to device 16.
Set the VCM-88E to the desired MIDI Channel by
using the Device ID DIP switches on the back panel. The
VCM-88E Slave Data signals, which are located on a 6-pin
euroblock style connector, may be used to interface other
VCM-88E units for software or MIDI control. The Slave
Data jack may also be used to interface Ashly Protea prod-
ucts, via their MIDI In/Out jacks, (see pin compatibility
VCM-88
Internal
Device ID
(MIDI Channel)
Jumper Select
Fig. 9.5
0
* PCB May Say
"Bank Select"
(default)
1
2
3
4
5
6
7
8
Both the VCM-88 and the
To use the VCM-88 in a
VCM-88E
Back Panel
Device ID
(MIDI Channel)
DIP Switch Select
1 2 3 4
(default)
1
9
2
10
3
11
4
12
5
13
6
14
7
15
8
16
11
9
10
11
12
13
14
15
16
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