Specifications
Output Specifications
Part Number Input Voltage Output #1 Output #2 / Alarm #3* Alarm #1** Alarm #2**
SL4848-RR 100 - 240 VAC Relay - SPST Relay - SPST Relay - SPST Relay - SPST
SL4848-VR 100 - 240 VAC Voltage Pulse Relay - SPST Relay - SPST Relay - SPST
SL4848-CR 100 - 240 VAC Current Relay - SPST Relay - SPST Relay - SPST
SL4848-LR 100 - 240 VAC Linear Voltage Relay - SPST Relay - SPST Relay - SPST
SL4848-RR-D 24 VDC Relay - SPST Relay - SPST Relay - SPST Relay - SPST
SL4848-VR-D 24 VDC Voltage Pulse Relay - SPST Relay - SPST Relay - SPST
SL4848-CR-D 24 VDC Current Relay - SPST Relay - SPST Relay - SPST
SL4848-VV 100 - 240 VAC Voltage Pulse Voltage Pulse Relay - SPST Relay - SPST
SL4848-CV 100 - 240 VAC Current Voltage Pulse Relay - SPST Relay - SPST
SL4848-LV 100 - 240 VAC Linear Voltage Voltage Pulse Relay - SPST Relay - SPST
*Output #2 can be configured as control output #2 or as Alarm #3
**Alarm #1 and Alarm #2 have a shared common
3
*Note: The supplied 249 ohm resistor should be installed as shown in the terminal wiring diagrams in
section 7 for current input operation.
Specifications
Input Power Requirements
100 to 240 VAC 50 / 60 Hz or 24 VDC
Operation Voltage Range
85 to 264 VAC or 21.6 to 26.4 VDC
Power Consumption
5 VA Max
Memory Protection
EEPROM 4K bit, number of writes 100,000
Control Mode
PID, ON/OFF, Ramp / Soak control or Manual
Input Accuracy
Less than ± 0.2% full scale (except thermocouple R, S, & B types) Max ± 3° (thermocouple R, S, & B types)
Vibration Resistance
10 to 55 Hz, 10 m/s
2
for 10 min, each in X, Y and Z directions
Shock Resistance
Max. 300 m/s
2
, 3 times in each 3 axes, 6 directions
Ambient Temperature Range
32°F to 122°F (0°C to 50°C)
Storage Temperature Range
-4°F to 149°F (-20°C to 65°C)
Altitude
2000m or less
Relative Humidity
35% to 80% (non-condensing)
RS-485 Communication
Modbus slave ASCII / RTU protocol
Transmission Speed
2400, 4800, 9600, 19.2K, 38.4K bps
IP Rating
IP65: Complete protection against dust and low pressure spraying water from all directions.
(inside suitable enclosure)
Agency Approvals
UL, CUL, CE (UL file number E311366)
Pollution Degree
Degree 2 - Normally, only non-conductive pollution occurs.
Temporary conductivity caused by condensation is to be expected.
Input Types
• Thermocouple*
K, J, T, E, N, R, S, B, L, U, TXK (Sampling Rate: 400 ms / per scan)
• Platinum RTD
3-wire Pt100, JPt100 (Sampling Rate: 400 ms / per scan)
• Analog
0-50 mV, 0-5V, 0-10V, 0-20 mA*, 4-20 mA* (Sampling Rate: 150 ms / per scan)
Control Output Options
• Relay (R)
SPST max. resistive load 5A @ 250 VAC
• Voltage Pulse (V)
DC 14V Max, output current 40mA Max
• Current (C)
DC 4-20 mA output (Load resistance: Max 600 ⏲ )
• Linear Voltage (L)
DC 0-10V (Load resistance Min 1K⏲ )
*Note: Use only ungrounded thermocouples.
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