Alarm Output Terminal (/A1, /A2, /A3, /A4, And /A5), Fail Output Terminal, And Status Output Terminal (/F1 And /F2); Remote Control Input Terminal (/R1); Pulse Input Terminal (/Pm1); Vdc Transmitter Power Supply Output Terminal (/Tps4 And /Tps8) - YOKOGAWA DX2004T User Manual

Installation and Wiring
Alarm Output Terminal (/A1, /A2, /A3, /A4, and /A5), FAIL Output Terminal, and
Status Output Terminal (/F1 and /F2)
NC
C
NO

Remote Control Input Terminal (/R1)

• Relay contact input
(voltage-free contact)
Contact closed at 200 Ω or less
Contact open at 100 kΩ or greater
6
7
8
Withstand voltage: 1000 VDC for one minute between input terminals and the ground terminal

Pulse Input Terminal (/PM1)

• Relay contact input
(voltage-free contact)
Contact closed at 200 Ω or less
Contact open at 100 kΩ or greater
8 7
H
L
Withstand voltage: 1000 VDC for one minute between input terminals and the ground terminal

24 VDC Transmitter Power Supply Output Terminal (/TPS4 and /TPS8)

DX
Transmitter power
supply output terminal
Input terminal

Serial Interface

Connecting to the RS-232 Connector (/C2)
1 2 3 4 5
6 7 8 9
(male)
Connecting to the PROFIBUS-DP Connector (/CP1)
5 4 3 2 1
9 8 7 6
(female)
74
Output format: Relay contact
Contact rating: 250 VAC (50/60 Hz)/3 A,
250 VDC/0.1 A (for resistor load)
Withstand voltage: 1600 VAC at 50/60 Hz for one
minute (between output terminals
and the ground terminal)
• Transistor input (open collector)
ON voltage: 0.5 V or less (30 mADC)
Leakage current when turned OFF:
3
C
4
1
5
2
•Transistor input (open collector)
ON voltage: 0.5 V or less (30 mADC)
Leakage current when turned OFF:
8
6
H
H
L
L
Connect the DX to the transmitter as shown below.
Current
+
–
+
–
Shunt resistor: 250 Ω
2 RD (Received Data):
3 SD (Send Data):
5 SG (Signal Ground):
7 RS (Request to Send):
8 CS (Clear to Send):
* Pins 1, 4, 6, and 9 are not used.
RxD/TxD-P:
3
CNTR-P:
4
DGND:
5
VP +5V:
6
RxD/TxD-N:
8
* Pins 1, 2, 7, and 9 are not used.
** The DX does not have a built-in terminator. If you need to terminate the cable at the
DX, use a terminated connector.
0.25 mA or less
6
3 C
7
1
4
8
5 2
0.25 mA or less
7 6
H H
H
L
L L
Note
Transmitter
Received data from the PC. Input signal to the DX.
Transmitted data to the PC. Output signal from the DX.
Signal ground.
Handshaking signal when receiving data from the PC. Output signal
from the DX.
Handshaking signal when transmitting data to the PC. Input signal to
the DX.
Positive data input/output.
RTS (needed when using a repeater).
Ground.
+5 V.
Negative data input/output.
FAIL
output
NO C NC NO C NC
When a failure
During normal
(/F1, /F2)
operation
Other
output
NO C NC NO C NC
When specified
During normal
(/F1, /F2)
status occurs
operation
Internal circuit
5 V
Input format:
Photocoupler isolation
Shared common (C)
Allowable input voltage:
1~ 8
5 VDC
C
Internal circuit
5 V
Input format:
Photocoupler isolation
Shared common (L)
Allowable input voltage:
H
30 VDC
L
To reduce noise, use a shielded cable for wiring.
Connect the shield to the functional ground
terminal or the ground terminal of the DX.
NO C NC
When power is
occurs turned OFF
NO C NC
When power is
turned OFF
IM 04L45B02-02EN