Spectrum Controls 1746sc-CTR4 - Manual (Page 10)

10
SLC 500 ™ 50 KHz Counter / Flowmeter Input Module
Data Format
Counter mode
Max Binary Value: -8,388,608 to +8,388,607
Rate mode Max Binary Value: -32,768 to +32,767
Isolation
Channel to Rack 1000 VDC Continuous Optical & magnetic
Channel to Channel 0VDC
Input Protection Max input voltage ±100VDC, 150VAC peak
Max input current ± 5mA@100Vp
Power Requirements
CTR4 CTR8
Internal rack +5v 175mA 225mA
Internal rack +24V 75mA 125mA
Table 1.2. Physical specifications
LED Indicators
Module Status The Module Status LED indicates the status of the power up
self test. The LED is on when the module is ready. Any self
test error is indicated with a blink code.
Channel Status CTR4 - 4 Green LEDs
CTR8 - 8 Green LEDs
The 8 Channel LED’s indicates that a channel is enabled.
Terminal Block 24 pin removable connector
Wire Size One 12 AWG to 28 AWG wires
Torque .5nm, 4.5 lb.in.
Table 1.3. Environmental specifications
Temperature / Humidity Ranges
Operating Temperature 0-60degC (32-140F)
Storage Temperature -40 to +85degC (-40 to + 185F)
Humidity Temperature 5% to 95% non-condensing
Certifications UL508 CUL& Class 1, Div II, (CSA equiv.)
FCC Part 15 class A CE Compliance to EN
61010-1 and EN 61131-2, EN50081-2, EN50082-2.