Master Unit Specifications; Specifications - Omron CS1W-CRM21 Operation Manual

Master Unit Specifications

2-1 Master Unit Specifications
2-1-1

Specifications

Item
Model
Applicable PLC
Unit classification
Current consumption (Power sup-
plied from PLC's Power Supply Unit)
Weight
Communications power supply con-
nector
Allowable current capacity for a com-
munications power supply connector
Maximum number of mountable
Master Units
Mounting location
Communications power ON/OFF
monitoring
Data stored in Master Unit (built-in
EEPROM)
Noise immunity
Vibration resistance
Shock resistance
Dielectric strength
Insulation resistance
Ambient operating temperature
Ambient operating humidity
Ambient operating atmosphere
Storage humidity
34
CS1W-CRM21
CS Series
CS-series Special I/O Unit
400 mA max. at 5 VDC
190 g max. (Master Unit only)
When a Round Cable II, Flat Cable I, or Flat Cable II cable is used, 1 communica-
tions power supply connector must be provided for Slave Units or Repeater Units
on the trunk line.
Note The Master Unit does not require a communications power supply.
5 A max (UL rating: 4A)
If your devices must conform to the UL Standard, the allowable current capacity is
4 A max.
One word number assigned: 80 Units
Two word numbers assigned: 48 Units
Four word numbers assigned: 24 Units
Eight word numbers assigned: 12 Units
According to CS/CJ-series Special I/O Unit specifications.
The ON/OFF status of the communications power supply can be detected at the
communications power supply connector.
1) The following device parameters:
• Registration Table
• Registration Table Check Type
• Registered Slave Unit Participation Monitoring Time, Registered Slave Unit Par-
ticipation Standby Mode, and Event Disable Setting
• Software Settings Table
• I/O Communications Start Mode
• Communications Error Input Data Zero Clear Mode
• Network settings
2) Part of error history (depends on type of error; mainly serious error related to
communications stopping)
Conforms to IEC 61000-4-4 2kV (applied to PLC power supply)
Same as general PLC specifications.
Same as general PLC specifications.
500 VAC (between isolated circuits)
20 MΩ min. (between isolated circuits)
0 to 55°C
10% to 90% (with no condensation)
No corrosive gases
−20 to 75°C
Specification
CJ1W-CRM21
CJ Series
CJ-series Special I/O Unit
400 mA max. at 5 VDC
130g max. (Master Unit only)
One word number assigned: 40 Units
Two word numbers assigned: 40 Units
Four word numbers assigned: 24 Units
Eight word numbers assigned: 12 Units
Section 2-1