62
Triac (SSR) Output
Rating:
1A/240VAC
Inrush Current: 20A for 1 cycle
Min. Load Current: 50mA rms
Max. Off-state Leakage: 3mA rms
Max. On-state Voltage: 1.5V rms
Insulation Resistance: 1000Mohms min. at 500VDC
Dielectric Strength: 2500VAC for 1 minute
DC voltage supply characteristics
(installed at output 2)
Alarm 1/Alarm 2
Alarm 1 relay:
Form A or Form B, max. rating 2A/240VAC,
100,000 life cycles for resistive load.
Alarm 2 relay: Form A, max. rating 2A/240VAC, 200,000 life
cycles for resistive load.
Alarm functions: •Dwell timer, •Deviation high/low alarm,
•Deviation band high/low alarm, •PV1 high/low alarm,
•PV2 high/low alarm, •PV1-PV2 high/low alarm,
•Loop break alarm, •Sensor break alarm.
Alarm mode: Normal, latching, hold, latching/hold.
Dwell timer: 0–6553.5 minutes
Data Communication
Interface:
RS-232 (1 unit), RS-485 (up to 247 units)
Protocol: Modbus protocol RTU mode
Address: 1–247
Baud Rate: 0.3~38.4Kbits/sec
Data Bits: 7 or 8 bits
Parity Bit: None, even or odd
Stop Bit: 1 or 2 bits
Communication Buffer: 50 bytes
Analog Retransmission
Functions:
PV1, PV2, PV1-PV2, PV2-PV1, set point, MV1,
MV2, PV-SV deviation value
Output Signal: 4–20mA, 0–20mA, 0–1V, 0–5V, 1–5V, 0–10V
Resolution: 15 bits
Accuracy: ±0.05% of span ±0.0025%/°C
Load Resistance: 0–500ohms (for current output)
10Kohms minimum (for voltage output)
Output Regulation: 0.01% for full load change
Output Settling Time: 0.1 sec. (stable to 99.9%)
Isolation Breakdown Voltage: 1000VAC min.
Integral linearity error: ±0.005% of span
Temperature effect: ±0.0025% of span/°C
Saturation low: 0mA (or 0V)
Saturation high: 22.2mA (or 5.55V, 11.1V min.)
Linear output range:
0–22.2mA(0–20mA or 4–20mA), 0–5.55V
(0–5V, 1–5V), 0–11.1V (0–10V)
User Interface
Dual 4-digit LED displays:
Upper 0.4" (10mm), lower
0.3" (8mm)
Keypad: 3 keys
Programming port: For automatic setup, calibration, and
testing
Communication port: Connection to PC for supervisory
control
Control Mode
Output 1:
Reverse (heating) or direct (cooling) action
Output 2: PID cooling control, cooling P band 1~255% of PB
ON-OFF: 0.1–100.0(°F) hysteresis control (P band=0)
P or PD: 0–100.0% offset adjustment
PID: Fuzzy logic modified
Proportional band 0.1~900.0°F
Integral time 0–1000 seconds
Derivative time 0–360.0 seconds
Cycle time: 0.1–100.0 seconds
Manual control: Heat (MV1) and cool (MV2)
Auto-tuning: Cold start and warm start
Self-tuning: Select NONE or YES
Failure mode: Auto-transfer to manual mode while sensor
break or A-D converter damage
Sleep mode: Enable or disable
Ramping control: 0–900.0°F/minute or 0–900.0°F/hour
ramp rate
Power limit: 0–100% output 1 and output 2
Pump/pressure control: Sophisticated functions provided
Remote set point: Programmable range for voltage or cur-
rent input
Differential control: Control PV1-PV2 at set point
Digital Filter
Function:
First order
Time constant: 0, 0.2, 0.5, 1, 2, 5, 10, 20, 30, 60 seconds
programmable
Environmental and Physical
Operating temperature:
-10°C to 50°C
Storage temperature: -40°C to 60°C
Humidity: 0 to 90% RH (non-condensing)
Insulation resistance: 20Mohms min. (at 500VDC)
Dielectric strength: 2000VAC, 50/60Hz for 1 minute
Vibration resistance: 10–55Hz, 10m/s for 2 hours
Shock resistance: 200m/s (20g)
Moldings: Flame retardant polycarbonate
Dimensions: 50.7mm(W) × 50.7mm(H) × 88.0mm(D),
75.0mm depth behind panel
Weight: 150 grams
Approval Standards
Safety:
UL873 (11th edition, 1994), CSA C22.2 No. 24-93,
EN61010-1 (IEC1010-1)
Protective class: NEMA 4X (IP 65) front panel, indoor
use, IP 20 housing and terminals.
EMC: EN61326
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