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Data retention:
The clock IC can be powered by the su-
percapacitor during power-off.
The supercapacitor works for over
24 hours.
One hour or more is required for charg-
ing the supercapacitor during power-on.
Input specifications
•
Startup input:
Contact input (24 V DC/10 mA*)
•
Reset input:
Contact input (24 V DC/20 mA*)
•
Interlock input:
Contact input (24 V DC/20 mA*)
* Use devices with an ON resistance of
Output specifications
•
Relay output:
400 VA (with relay contact welding
detection)
Note: Cannot be used for dry output. For
•
Blower output (no voltage output):
350 VA
•
Control motor output (no voltage output):
100 VA
•
Monitor output (transistor output):
22 (0.1 A max.each, 1 A max./module,
30 V DC max.)
„ Communication specifications
z RS-485 communication
Communication protocol:
(RX-L80) CPL
(RX-L90) CPL, Modbus/RTU, Modbus/
ASCII
Signal level:
RS-485-compliant
Communication/synchronization type:
Half-duplex, start/stop synchronization
Max. line length:
500 m
Terminating resistor: External (150 , 1/2 W min.)
Transmission speed: Selectable from (RX-L80) 9600, 19200
and 38400 bps; (RX-L90) 4800, 9600,
19200, 38400, 57600 and 115200 bps
z Model RX-R control signal
Communication protocol:
RX-R control protocol
Max. line length:
50 m
z Model RX-L control signal
Communication protocol:
RX-L control protocol
Max. line length:
500 m
z Ethernet communication (model RX-L90 only)
Communication protocol:
Modbus/TCP
„ General specifications
Dimensions:
80 (W) × 134 (D) × 105 mm (H)
Mass:
Approx. 550 g
Case color:
Black
Structure:
Two-piece construction with a separable
base and main unit
Mounting procedure:
DIN rail or panel mounting with screws
(M4)
Installation position:
Vertical
Certificate:
Gas Appliance Directive (CE)
0063CN6671 (Model RX-L80A)
250
or less
relay output, be sure to connect an
AC power load (10 VA min.)
„ Wiring cable specifications
Reset:
Interlock contact input: Max. cable length is 200 m.
Signal line type/length:
Signal
RX-R control signal 0.2 to 1.5 mm
RX-L control signal
Reset signal
0.3 to 0.75 mm
Start signal
IN1–IN16 signals
Monitor output
Soldered connection: 0.25 mm
(M-1 to M-22)
(AWG23 or less)
Solder less terminal: 0.08 to 0.2 mm
(AWG28–24)
RS-485
0.2 to 1.5 mm
communication
Ethernet
UTP cable (4)
Cat 5e min. (straight) (ANSI/TIA/EIA-
568-B both ends)
Blower output
JIS C 3306 0.75 mm
Motor output
Wire with a minimum diameter of
ø0.18 and 30 strands
*1. Recommended JCS4364 cable for light electrical instruments
(twisted shielded cable for instruments), 8 cores (4 pairs)
*2. Wire with a maximum diameter of 2 mm. Recommended crimp-
type terminal lugs: V1.25-3 (RAV1.25-3), made by JST Mfg. (Co., Ltd.).
*3. Recommended: JCS4364 cable for low-power electrical instrumen-
tation (twisted shielded cable for instruments), 4 cores (2 pairs)
„ Selection of functions
z Interlock input function
16 inputs
Individual OFF delay settings (without chattering detection)
Switching to flame monitoring above 760 °C
Function input (collective startup, etc.)
z Purge function
Prepurge 1 sec to 60 min (choice of 40 patterns)
Postpurge time setting (30 min max.)
Blower output
Motor control
z Main unit displays
Status display (7 segments)
Status display (LED)
z Monitor outputs
Open collector output 22 points (assign any option)
RS-485 communication
Ethernet communication (RX-L90 only)
z Trial operation mode (when using model SLP- RXE Smart
Loader Package)
Purge time setting for trial operation
Forced ON for monitor output
Forced open output/forced closed output for the control motor
E8
Max. cable length is 10 m.
Cable type
(AWG28–14)*
1
2
(AWG22–18)*
2
2
max.
2
2
(AWG28–14)*
3
2
2
Max. cable
length
50 m
500 m
10 m
200 m
100 m
500 m
100 m
–
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