MODEL: 22LS1
Telemetering System
RELATED PRODUCTS
• Multi-transmission module
Model: 22LA1
MODEM INTERFACE
(SIN-NET use)
• RS cable
Model: DCN5
Functions & Features
• Modem
• Interfacing between SIN-NET devices (models:
22LA1, DLA1) and a modem for leased circuit
• Simple configuration by setting Station No. for pairing
units with the front rotary witches
Model: MOD1, MOD2, MOD3x, MOD4, MOD5, MOD6, MOD7,
MOD8
• Combined with M-System's modems for leased circuit
GENERAL SPECIFICATIONS
Construction: Plug-in
Typical Applications
Connection
• 1-to-1 transmission system
• 1-to-N transmission system
Power input: M3.5 screw terminals
SIN-NET, RUN contact output: Euro type connector
terminal block
RS-232-C: 9-pin D-sub connector (female)
(M2.6 x 0.45 connector screw)
50
(1.97)
Housing material: Flame-resistant resin (black)
Isolation: RS-232-C to SIN-NET to RUN contact output to
power
PWR
80
8
RUN
7
6
5
4
3
2
1
(3.15)
4
5
7
3
3
1
8
0
9
F
B
C
D
SA1
SA2
4
5
7
1
8
DIP switches: selecting modem type (SW1 – 4) and
Master/Slave (SW8)
0
9
F
B
D C
RS-232-C
Terminator: Incorporated (remove jumper pin with those
modules not located at the end of transmission line)
Station No. setting: 2 rotary switches; 00 – FF (256)
Power indicator: Red LED turns ON in normal conditions;
OFF when the voltage level becomes low.
RUN indicator: Red LED turns ON when the selfdiagnosis
proves normal, OFF in an abnormality.
RUN contact output: Contact opens in an abnormality.
125 V AC @ 0.5A (cosø = 1)
144
(5.67)
mm (inch)
MODEL: 22LS1–3–[1]
ORDERING INFORMATION
• Code number: 22LS1-3-[1]
Specify a code from below for [1].
(e.g. 22LS1-3-K)
30 V DC @ 0.5A (resistive load)
Maximum switching voltage: 250 V AC or 125 V DC
Maximum switching power: 62.5 VA or 60 W
Minimum load: 10 mV DC @ 1 mA
TRANSMISSION MEDIA
3: Twisted-pair cable for small-scale system
Mechanical life: 5 × 10
7
cycles (rate 180/min.)
Self-diagnosis
Communication: receiving 'loss of RS-232-C
communication' data; multiplex transmission
error data; network error
[1] POWER INPUT
AC Power
K: 85 – 132 V AC
CPU: watch-dog timer
(Operational voltage range 85 – 132 V, 47 – 66 Hz)
L: 170 – 264 V AC
Power voltage: detects when the voltage supply to the CPU
drops.
(Operational voltage range 170 – 264 V, 47 – 66 Hz)
DC Power
S: 12 V DC
MULTI-TRANSMISSION
Communication: 2-wire, half-duplex
Transmission: conform to RS-422, EIA
Transmission speed: 125 kbps
Data encoding: SDLC
(Operational voltage range 12 V ±10 %, ripple 10 %p-p max.)
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
Control procedure: NRZ
Protocol: SIN-NET (M-System's)
22LS1 SPECIFICATIONS
ES-6557 Rev.6 Page 1/7
http://www.m-system.co.jp/