750-265 8
single ModBus address to service the requests of the
Modbus master in a Lead/Lag arrangement. THIS IS A
FUTURE ENHANCEMENT.
The local S7910 Keyboard Display and the 833-3577 Operator
Interface are optional components.
The 833-3577 (or the DSP3944 which is a portable 833-3577) is
required for configuration of the parameters of the CB Falcon.
It is not needed for the operation of the system.
SPECIFICATIONS
Electrical Ratings:
120VAC -15%/+10% (102 to 132 VAC)
Operating voltage
24Vac +10/-15%, 50 to 60Hz
Connected Load for Valve and annunciator functions:
24Vac, 50/60Hz
120Vac, 50/60Hz
Model Specific
24VAC -16.6%/+25% (20 to 30 VAC)
Line frequency in the range from 50 to 60 Hertz, +/- 10%.
(45 to 66 Hz)
Corrosion:
CB Falcon should not be used in a corrosive environment.
Operating Temperature: -40°F to 150°F (-40°C to 66°C)
Storage/Shipping Temperature: -40°F to 150°F
(-40°C to 66°C).
Humidity:
5 to 95% Relative Humidity, noncondensing. Condensing
moisture may cause safety shutdown.
Vibration: 0.0 to 0.5g Continuous (V2 level)
Enclosure: Nema 1/IP40.
Approvals:
Underwriters Laboratories, Inc. (UL)(cUL): Component Rec-
ognized: File No. MH20613 (MCCZ)
CSD-1 Acceptable.
Meets CSD-1 section CF-300 requirements as a Primary
Safety Control.
Meets CSD-1 section CW-400 requirements as a Temperature
Operation control.
Meets CSD-1 section CW-400 requirements as a Temperature
High Limit Control when configured for use with 10kohm
NTC sensors.
Federal Communications Commission, Part 15,
Class B.Emissions.
Dimensions: See Fig. 2.
Fig. 2. R7910A dimensions in in. (mm).
[2] 5-19/64 (135)
9-21/64
(237) MAX
[4] Ø 3/16 (5) MAX
2-19/32 (66)
6-21/64 (161)
[2] 8-21/32
(220)
M27063
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