AB | 1771-WHFN | NEW & ORIGINAL
Contact: Miya
Job Title: Sales Manager
Skype: live:miyazheng520
Email: sales@amikon.cn
Tel: 86-18020776792(Whats App )
QQ :2851195450
ATTENTION!
PAYMENT: T/T 100% IN ADVANCE
Lead Time : 3-5 Days
Minimum Order Quantity : 1 Piece
Warranty : 1 Year
Shipment: DHL,UPS,FEDEX,ARAMAX,TNT,etc.
1771-WHFN
Brand Name AB
Product reference 1771-WHFN
You can use this module in a Series A or B 1771-A1B, -A2B, -A3B,
-A3B1, and -A4B chassis. The module is also compatible in a
1771-AM1 or -AM2 I/O chassis.
You can use any TTL device that meets the output logic level
specification of -0.2V dc to +0.8V dc (low), and 2.0V dc to 5.25V dc
(high).
This module contains input filtering to limit the effects of voltage
transients caused by contact bounce and/or radiated electrical noise.
The delay due to filtering is less than 1ms.
For maximum noise immunity, the output of the TTL device should
have a pull-up resistor of 1k ohm (typical). Add an external pull-up
resistor to the output terminals of the device, if necessary. If you add
a pull-up resistor, be sure the TTL device maintains the low state
requirement of -0.2V dc to +0.8V dc with the increased load.
The TTL module requires power from two sources: the I/O chassis
backplane, and a +5V dc Class 2 power supply that you provide for
transmission of TTL signals.
Backplane
The TTL module receives its power through the 1771 I/O chassis
backplane from the chassis power supply. The module requires
130mA from the output of this supply. Add this to the requirements
of all other modules in the I/O chassis to prevent overloading the
chassis backplane and/or backplane power supply.
Customer Supply
You must provide a separate +5(+0.25)V dc Class 2 power supply
for the TTL inputs of the module and for your TTL output devices.
Your module requires 380mA from the output of your supply. Ripple
should not exceed 50mV peak to peak.
The TTL input module is shipped in static-safe packaging to guard
against electrostatic discharge damage. Observe the following
precautions when handling the module.
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If you have any question pls do not hesitate to contact us.We can supply all kind of the
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