CRT1-ROS16 Omron, CRT1-ROS16 Datasheet - Page 121
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
CRT1-ROS16
Manufacturer Part Number
CRT1-ROS16
Description
16-point Relays Outputs
Manufacturer
Omron
Datasheet
1.CRT1-ATT03.pdf
(675 pages)
Specifications of CRT1-ROS16
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Allowable Currents for
Cables
Allowable Currents for
Connectors
Voltage Drop
Cable Voltage Drop
Power Supply Wiring
Flat Connector Plug: 5 A max. (UL: 4 A)
Master
Unit
Power
supply,
24 VDC
The allowable currents for cables and connectors are given below.
Select the communications cable so that the total current consumption of all
Slave Units does not exceed the allowable current of the cable.
There are limits to the allowable current for the communications power supply
connectors on the Master Unit and Repeater Units, Flat Connector Sockets,
and Flat Connector Plugs. Do not allow the current flow where these connec-
tors are used to exceed the allowable current.
The voltage drop must be considered so that the power supply voltage at the
Slave Unit that is the farthest from the power supply will still be within the
allowable power supply range.
The voltage drop is expressed by the following formula.
If the voltage drop is too large and power cannot be supplied to the farthest
Slave Unit within the allowable range, add a Repeater Unit and supply power
from the Repeater Unit.
Cable allowable current ≥ I
(For the allowable cable current for “a” in the above diagram)
Communications power supply connectors on CS/
CJ-Master Units
Communications power supply connector on
Repeater Unit
Flat Connector Sockets
Flat Connector Plugs
Multidrop Connector
Flat Multidrop Connector Plug
Voltage drop (V) = Current (A) × Cable conductor resistance (Ω/m) × Cable length
(m) × 2
Cable
(a)
Slave Unit
current con-
sumption I
Flat Connector Socket: 5 A max. (UL: 4A)
Name
1
1
+ I
Slave Unit
current con-
sumption I
2
+ I
3
+ · · · · I
2
Slave Unit
current con-
sumption I
n
3
CS1W-CRM21
CJ1W-CRM21
CRS1-RPT01
DCN4-TR4
DCN5-TR4
DCN4-BR4
DCN5-BR4
DCN4-MD4
DCN4-MR4
Model
Slave Unit
current con-
sumption I
Section 3-5
n
5 A
(UL: 4 A)
Terminating
Resistor
Allowable
current
97
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