12843 Foothill Blvd. Suite C
Sylmar, California 91342
V: 818.898.3380
F: 818.898.3360
sales@dnfcontrols.com
Model No. ST300-CP
Protocol Implementation
USER MANUAL
Table of Contents
1. REVISION HISTORY 2
GETTING STARTED . . . 3
2. OVERVIEW 3
a. KEY PRESS DECODING 3
b. WHEEL MODE 3
c. T-BAR POSITION 3
d. KEY LEDs 3
e. LCD DISPLAY 4
REFERENCE . . . 5
3. FUNCTION CHART 5
4. SPECIFICATIONS 6
COMMUNICATIONS FORMAT 6
PROTOCOL FORMAT 6
ST300 KEY SCAN AND LED CODES 8
VTR#1 CONNECTOR 8
VTR#1 CONNECTOR 9
VTR#2 CONNECTOR 9
POWER CONNECTOR 9
GPI IN/OUT CONNECTOR 9
5. KEY LAYOUT 10
6. DNF CONTROLS LIMITED WARRANTY 11
Manual Version ……….…………………… 2.21 082106
Document No. ………….ST300-CP_User_Manual.doc
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1. REVISION HISTORY
123003 Rev. 2.0 Company header information revised.
Added DNF Controls Limited Warranty.
060704 Rev. 2.1 Added Key Layout.
061404 Rev. 2.2 Changed Byte count for “M” command.
082106 Rev. 2.2 1 Changed Key Code of number “5” key and added LED C odes.
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Getting Started . . .
2. OVERVIEW
The ST300 will operate as an event driven device, transmittin g information to the external device
when a change is detected.
In addition, the external device may poll the ST300-CP for status.
a. KEY PRESS DECODING
The ST300 will detect and decode changes in the Keyboard state. The ST300 will return
a 16-bit Scan Code that describes a key press or a key release. The Scan Code allows 2
key combinations to be detected and decoded.
b. WHEEL MODE
The External Device selects the current wheel mode:
0= Off
1= Jog
2= Shuttle (with mechanical detents)
When OFF mode is selected, the wheel will not return position information and the
mechanical detents will be de-energized.
When JOG mode is selected, the mechanical detent will be de-energized. The WHEEL
POSITION will return a one-byte, signed value that represents pulses per time period.
Zero pulses in a time period represents that the wheel had no movement (stopped).
Positive value represents Clockwise movement. Negative value represents Counterclockwise movement.
When SHUTTLE mode is selected, the current wheel position will become the STILL
position of the wheel. The WHEEL POSITION will return a one-byte, signed value that
represents pulses (rotation) from STILL position. A positive value represents Clockwise
movement from STILL. A negative value represents Counter-clockwise movement from
STILL.
c. T-BAR POSITION
The T-BAR POSITION returns a one-byte value, that indicates the relative position of
the T-BAR from its STILL position.
The T-BAR assembly uses an incremental, not absolute encoder. At power up, the
ST300 prompts the user to move the T-BAR to its STILL position. Any time the T-BAR
is moved to its STILL position, the position value is zeroed, forcing a re-calibration.
d. KEY LEDs
The Key LEDs are controlled by the External Device. A three-byte (3) value sent to the
ST300 by the External Device determines the state of each LED, one bit per LED.
When bit = 1, the LED is on. When bit = 0, the LED is off.
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e. LCD DISPLAY
The messages on the LCD Display are controlled by the External Device. The External
Device controls the message content, message formatting, and display row selection.
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Reference . . .
3. FUNCTION CHART
Control Panel
Functional Area
Key Press Decoding
Wheel Mode
Wheel Position ST300
T-Bar Position ST300
Key LEDs External
LCD Display External
Controlled
By
ST300
External
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4. SPECIFICATIONS
Power 90 VAC to 265 VAC adapter supplied with IEC connector
Size [L x W x H] 12” x 6” x 1.5” (front) 3.0” (rear)
[T-Bar unit is 12.6” wide]
Weight 4 lbs.
Real Panel Connectors VTR1, VTR2, VTR3, VTR4 (All DB9F)
GPI (DBF15F)
Power (DB9M)
Aux (DB9F)
Display Easy to read 2-line, back-lit LCD display
(User adjustable contrast)
Jog/Shuttle Wheel With mechanical detents.
Optional “T”-bar Slo-mo 0-200% of Play Speed
COMMUNICATIONS FORMAT
Baud 38.4K
Parity ODD
Data Bits 8
Stop Bits 1
PROTOCOL FORMAT
STX + BC + CMD + DATA + ETX
STX= 02H
ETX= 03H
BC= Byte Count
CMD= 1 byte
DATA= number of bytes dependent upo n CM D
ACK= 04H
NAK= 05H
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Key Press:
STX+ 03 + ’K’+ Scan Code H + Scan Code L + ETX ÎÎÎ
Wheel Mode:
ÍÍÍSTX + 03 + ‘M’+ Wheel Divide Byte + Mode byte + ETX
Mode byte: 0= Off
1= Jog
2= Shuttle
STX + 01 + ACK + ETX ОООООООООООООО
Wheel Position:
STX + 02 + ‘W’ + Signed byte ОООООО
Signed byte = -64 Æ +64
ST300 External Device
NOTE: Wheel divide byte sets the resolution of the wheel: use a number from 1
to 96.
One (1) is the highest resolution.
ST300 External Device
T-BAR Position:
STX + 02 + ‘T’ + Signed byte ООООО
Signed byte = 0 Î +64
LED Status:
ННННННSTX + 04 + ‘L’ + Byte1 + Byte2 + Byte3 + ETX
Byte1= LED1 (Lsb) to LED8 (Msb)
Byte2= LED9 (Lsb) to LED16 (Msb)
Byte3= LED17 (Lsb) to LED24 (Msb)
STX + 01 + ACK + ETXОООООООО
Display:
ÍTX + BC + ‘D’ + Row byte + Message bytes (null terminated) + ETX
Row Byte: 0= Top Row (Row 0)
1= Row 1
2= Row 2
3= Bottom Row (Row 3)
Message Byte: Max 20 Characters, Null
Terminated
STX + 01 + ACK + ETXООООООООООО
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ST300 KEY SCAN AND LED CODES
KEY
DESCRIPTION H L 1 2 3
11 4008h
22 1010h
33 2010h
44 2008h
55 0210h
66 0810h
77 1008h
88 0110h
99 0410h
10 0 4010h
11 ENTER 8008h
12 DEL 8010h
13 RWD 0102h 010000h
14 FFWD 0202h 020000h
15 STOP 0402h 040000h
16 PLAY 0802h 080000h
17 SLOMO 8001h 100000h
18 RECORD 0204h 200000h
19 10 04 h
20 REV 2002h 800000h
21 FREEZE 4002h 000100h
22 BLANK KEY 10 02 h
23 SHIFT/ESC 40 01 h 00 00 20 h
24 ENTER TIME 0104h 000400h
25 LAS T CUE 04 04 h 00 08 00 h
26 NE XT CUE 20 04 h 00 10 00 h
27 EE 4004h 002000h
28 TIME MODE 0804h 004000h
29 MENU 1001h 008000h
30 JOG 2001h 000001h
31 SHUTTLE 0801h 000002h
32 GO TO 0101h 000004h
33 PREROLL 02 01 h 00 00 08 h
34 MARK 0401h 000010h
35 VTR1 0108h 400000h
36 VTR2 0208h 000200h
37 VTR3 0408h 000040h
38 VTR4 0808h 000080h
KEY
VALUE
LED
VALUE
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VTR#1 CONNECTOR
RS422 SERIAL CONNECTOR
9-Pin D-Type, Female
Pin # 1 Frame Ground
2 Receive A Í
3 Transmit B Î
4 Transmit Common
5 Spare
6 Receive Common
7 Receive B Í
8 Transmit A Î
9 Frame Ground
VTR#2 CONNECTOR
RS232 SERIAL CONNECTOR
9-Pin D-Type, Female
Pin # 1 Not Used 6 Not Used
2 Rx Data 7 Not Used
3 Tx Data 8 Not Used
4 Not Used 9 Not Used
5 Ground
POWER CONNECTOR
9-Pin D-Type, Male (DB9M)
Pin # 1 +5v DC 6 +5 VDC
2 +5v DC 7 Ground
3 Ground 8 Ground
4 +12 VDC 9 Ground
5 –12 VDC
GPI IN/OUT CONNECTOR
15-Pin D-Type, Female (DB15F)
Pin # 1 GPI 1 Out 9 GPI 1 In
2 GPI 2 Out 10 GPI 2 In
3 GPI 3 Out 11 GPI 3 In
4 GPI 4 Out 12 GPI 4 In
5 GPI 5 Out 13 GPI 5 In
6 GPI 6 Out 14 GPI 6 In
7 GPI 7 Out 15 GPI 7 In
8 Ground
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5. KEY LAYOUT
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6. DNF CONTROLS LIMITED WARRANTY
DNF Controls warrants its product to be free from defects in material and workmanship for a period of one
(1) year from the date of sale to the original purchaser from DNF Controls.
In order to enforce the rights under this warranty, the customer must first contact DNF’s Customer Support
Department to afford the opportunity of identifying and fixing the prob lem without sending the unit in for
repair. If DNF’s Customer Support Department cannot fix the problem, the customer will be issued a
Returned Merchandise Authorization number (RMA). The customer will then ship the defective product
prepaid to DNF Controls with the RMA number clearly indicated on the customer’s shipping document.
The merchandise is to be shipped to:
DNF Controls
12843 Foothill Blvd., Suite C
Sylmar, CA 91342
USA
Failure to obtain a proper RMA number prior to returning the product may result in t he return not being
accepted, or in a charge for the required repair.
DNF Controls, at its option, will repair or replace the defective unit. DNF Controls will return the unit
prepaid to the customer. The method of shipment is at the discretion of DNF Controls, principally UPS
Ground for shipments within the United States of America. Shipments to international customers will be
sent via air. Should a customer require the product to be returned in a more expeditious manner, the return
shipment will be billed to their freight account.
This warranty will be considered null and void if accident, misuse, abuse, improper line voltage, fire, water,
lightning or other acts of God damaged the product. All repair parts are to be supplied by DNF Controls,
either directly or through its authorized dealer network. Similarly, any repair work not performed by either
DNF Controls or its authorized dealer may void the warranty.
After the warranty period has expired, DNF Controls offers repair services at prices listed in the DNF
Controls Price List. DNF Controls reserves the right to refuse repair of any unit outside the warranty
period that is deemed non-repairable.
DNF Controls shall not be liable for direct, indirect, incidental, consequential or other types of damage
resulting from the use of the product.
# # #
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