Yokogawa Button Operated DX2000 - Manual (Page 64)

62
IM 04L42B01-02E
Connecting to the RS-422/48 (/C3)
FG (Frame Ground) Frame ground of the DX.
SG (Signal Ground) Signal ground.
SDB (Send Data B) Send data B (+).
SDA (Send Data A) Send data A (–).
RDB (Received Data B) Receive data B (+).
RDA (Received Data A) Receive data A (–).
FG SG SDB SDA RDB RDA
Electric
potential
of the shield
Two-wire system
Shield
FG SG SDB SDA RDB RDA
Electric
potential
of the shield
Four-wire system
Shield
Recommended length of stripped wire: 9 mm. Recommended tightening torque: 0.4-0.5 N•m.
Cable
There are two types of cables available, the four-wire cable and the two-wire cable (used only for the Modbus protocol).
The cable should meet the following specifications.
• Type: Shielded twisted pair cable: 3 pairs 24 AWG or more (four-wire),
2 pair 24 AWG or more (two-wire)
• Characteristic impedance: 100 Ω
• Capacitance: 50 pF/m
• Total cable length: Up to 1.2 km
Connecting to the VGA Connector (/D)
CAUTION
• Connect the cable after turning OFF the DX and the monitor.
• Do not short the VIDEO OUT terminal or apply external voltage to it. If you do,
the DX may malfunction.
VGA Output Terminal
! VIDEO OUT(VGA)
The DX display can be output to a monitor through the RGB output. Connectable
monitors are VGA monitors or multi-sync monitors capable of displaying VGA.
Specifications of the VGA Output Terminal
Pin No. Signal Name Specifications
1 Red 0.7 Vp-p
2 Green 0.7 Vp-p
3 Blue 0.7 Vp-p
4 –
5 –
6 GND
7 GND
8 GND
9 –
10 GND
11 –
12 –
13 Horizontal sync
signal
Approx. 31.5 kHz, TTL
negative logic
14 Vertical sync signal Approx. 60 Hz, TTL
negative logic
15 –
Installation and Wiring
6
11
1 5
15
10
D-Sub 15-pin receptacle