Watlow Electric Ramping and Profiling Microprocessor-Based Control SERIES 1500 - Manual (Page 81)

Technical Reference
Temperature ranges:
.. -100
1400°F
K t/c: -100 to 2500°F
R t/c: 500 to 3200°F
RTD. -99.9 to 9999°F _*
or
-73 to 760°C
o r
-73 to 1371 °C
or 260 to 1760°C
or _-99.9 to 537.7%
T/C inputs must be ungrounded.
%RH ranges (on channel #2 only) and user selectable. Range limits are 0.0 to
.
100.0% RH Input types:
RTD: % RH IS based
upon Channel #1 RTD as dry bulb and Channel #2 RTD as
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0-5/DC:’ Direct % RH signal on Channel #2.
Dual RTD input includes analog retransmit of input signal levels: -0.5 to 5.0VDC
for Temp
Dual T/C
and 0 to 0.5VDC for %RH.
inp
LSD. 0° = 0
ut includes analog
retransmit of input signal levels: 1.5625mV
per
Volts.
Calibration offset of input signals.
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RTD: ±10.0°F or °C.:
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T/C: ±10° or °C.
Outputs
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Control outputs are two per channel: heat & cool (humidify & de-humidify) action.
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Solid state relay, 0.5A @ 24VAC
min,
253VAC max. opto-isolated, zero cross
switching or,
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DC switched open collector solid state switches, 10VDC, 5mA.
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Auxiliary discrete ouputs are displayed
as
Event
#1 thru
#4 for each channel and
are user selectable as:
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Solid state relay, 0.5A @ 24VAC min, 253VAC max, opto-isolated, zero cross
switching or,
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DC switched open collector solid state switches, 10VDC, 5mA.
. Eight event outputs programmed per step,
or
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Six event outputs programmed per step, an1 alarm output per channel.
Accuracy
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Calibration Accuracy and Sensor Conformity: ± 0.25% of span, ± 1 digit (± 1% wet/
dry % RH) at 77°F ± 5°F ambient rated line voltage ± 1%.
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Accuracy Span: 1000°F or 540°C minimum.
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Temperature Stability:
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Voltage Stability: ±
±2µV / ° F ambient.
0.01% of span / % of rated line voltage.
Communlcatlons
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Serial data communications.
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RS422A or RS-423A (RS232C Compatible) 1200 Baud.
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Electrically isolated.
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All o perator indications and controls.
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RS-422 with ANSI X3.28 subparagraph 2.2-A.3 protocol, RS-423 with XON/XOFF
protocol.
Terminals
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36 each #6 screws on
3 barrier
strips.
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Communications: DB-15 female receptacle.
Power
. 115/230VAC ±1 O%, 50/60Hz.
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Data retention upon power failure via Lithuim battery.
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Optional battery backup real time clock.
Operating Environment
30 to 130°F/0-55°C.
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O-9O% RH, non-condensing.
Dimensions
•Height: 6.0 in.
•Width: 6.0 in. .
. Overall depth: 8.8 in:
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Behind panel depth: 7.5 in.
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Weight: 4.5 lb.
Specifications, Appendix WATLOW Series 1500 User's Manual
81
-99 -99 3200 °F
999.9 -99.9 999.9 °F