Advertisement
Quick Links
Quick Start Guide
SER-485-IC
Triple Isolated RS-232 to
RS-422/485 Converter
1
1
.
.
C
C
h
h
e
e
c
c
k
k
f
f
o
o
r
r
R
R
e
e
q
q
u
u
i
i
r
r
e
e
d
d
H
H
a
a
r
r
d
d
SER-485-IC Serial Converter
This Quick Start Guide
Additional Items Required but not included
o A 10 to 48 VDC Power Supply, 0.2A.
o RS-232 cable. The converter is a DCE device.
o RS-422/485 Cable.
2
.
2
.
I
n
f
o
r
m
a
t
i
o
n
–
U
L
C
l
a
s
s
1
I
n
f
o
r
m
a
t
i
o
n
–
U
L
C
l
a
s
s
1. Power, input /output (I/O) wiring must be in
accordance with Class 1 Division 2 wiring methods
[Article 501.10(B) of the National Electric code,
NFPA70] and in accordance with the local authority
having jurisdiction.
2. Maximum ambient air temperature 80°
3. WARNING – EXPLOSION HAZARD:
SUBSTITUTION OF COMPONENTS MAY IMPAIR
SUITABLITY FOR CLASS 1, DIVISION 2.
4. WARNING – EXPLOSION HAZARD: WHEN IN
HAZARDOUS LOCATIONS, TURNING OFF
POWER BEFORE REPLACING OR WIRING
MODULES
5. WARNING – EXPLOSION HAZARD: DO NOT
DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR THE AREA IS KNOWN
TO BE NON-HAZARDOUS.
6.
WARNING – THIS APPARATUS IS SUITABLE FOR
USE IN CLASS 1 DIVISION 2, GROUPS A, B, C,
.
AND D, OR UNCLASSIFIED AREAS
3
3
.
.
I
I
n
n
f
f
w
w
a
a
r
r
e
e
Front Panel
1
Power TB
2
RD LED
3
DB9 Female
4
422/485 TB
5
TD LED
6
Power LED
D
i
v
2
1
D
i
v
2
7
Dip Switch
DB9 Female Pin out (DCE)
Pin
1
Receive Line Signal Detector (DCD)
2
Receive Data (RD)
3
Transmit Data (TD)
4
DTE Ready (DTR)
5
Signal Ground (SG)
6
DCE Ready (DSR)
7
Request to Send (RTS)
8
Clear to Send (CTS)
9
Ring Indicator (RI)
Note: Pin 1, Pin 4, and Pin 6 are tied together internally.
Pin 7and Pin 8 are tied together internally.
RS-422/485 Terminal Block
Terminal
A
B
C
D
E
o
o
r
r
m
m
a
a
t
t
i
i
o
o
n
n
–
–
F
F
r
r
o
o
n
n
t
t
P
P
a
a
n
n
e
e
l
l
2 Position, Removable
Red, Flashes when RS-422/485
Data Received
RS-232 (Wired DCE)
5 Position, Removable
Red Flashes when RS-422/485
Data Transmitted
Red, ON When Power Applied
12 Position
Put
Signal
Direction
OUTPUT
RS-485 2-Wire
RS-422/485 4-Wire
GND
GND
Data B(+)
RDB(+)
Data A(-)
RDA(-)
---
TDB(+)
---
TDA(-)
4
.
4
.
I
I
n
n
f
f
o
o
r
r
m
m
Communications
RS-485
2-Wire
Half Duplex
RS-485
4-Wire
Full Duplex
RS-422
Full
Duplex
Termination Resistor
Use the 120Ω
Built in Termination
Use External
or no termination
---
Transmit Bias
INPUT
---
Use the 1.2KΩ
---
Transmit
---
Bias Resistor
---
Use External or no
---
Transmit Bias Resistor
---
Receive Bias
Use the 1.2KΩ Receive
Bias Resistor
Use External or no
Transmit Bias Resistor
820 S. University Blvd. Suite 4E, Mobile, AL 36609
SER-485-IC_0710 R2
a
a
t
t
i
i
o
o
n
n
-
-
D
D
I
I
P
P
S
S
w
w
i
i
t
t
c
c
h
h
Mode
1
2
3
4
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
5
ON
OFF
6
OFF
ON
7
OFF
ON
N-Tron Corp.
PH: 251-342-2164 · FAX: 251-342-6353
Advertisement
Related Manuals for N-Tron SER-485-1C
Summary of Contents for N-Tron SER-485-1C
- Page 1 Transmit Bias Resistor Data B(+) RDB(+) USE IN CLASS 1 DIVISION 2, GROUPS A, B, C, Data A(-) RDA(-) AND D, OR UNCLASSIFIED AREAS TDB(+) TDA(-) N-Tron Corp. 820 S. University Blvd. Suite 4E, Mobile, AL 36609 PH: 251-342-2164 · FAX: 251-342-6353...
- Page 2 Transmit data. The same data should be returned. LED Indicators: Power is ON when power is applied. TD flashes when RS-422/485 data is sent. RD flashes when RS-422/485 Data is received. N-Tron Corp. 820 S. University Blvd. Suite 4E, Mobile, AL 36609 PH: 251-342-2164 · FAX: 251-342-6353...