Common Specifications; B7A Interface Port I/O Types - Omron NJ501-1 Series User Manual

3 Configuration Units
3-5-5

Common Specifications

Item
Applicable Controllers
Unit classification
Transmission delay
Transmission error input bit
status processing
Settings
Indicators
Front panel connection
Current consumption
Weight
3-5-6

B7A Interface Port I/O Types

The B7A Interface Units are CJ-series Basic I/O Units.
The B7A Interface Ports use the following I/O types.
Access is performed from the user program using variables.
For information on how to allocate variables, refer to the NJ-series CPU Unit Software User's Manual
(Cat. No. W501).
Port number
1
2
3
4
3-26
NJ Series
CJ-series Basic I/O Unit
Standard (19.2 ms typical) or high-speed (3 ms typical), switchable
(Switchable by using the setting switch on the front panel. Settings are read when
power is turned ON or Unit is restarted.)
Factory setting: Standard (19.2 ms typical)
Note A transmission error will occur if B7A Link Terminals with different transmis-
sion delay times are connected to each other.
HOLD (The bit status from immediately before the transmission error is held.)
Front panel
Setting switch: Standard (19.2 ms typical) or
high-speed (3 ms typical), switchable
5 LED indicators: RUN (B7A operating status), ERR1 (port 1 communications
error), ERR2 (port 2 communications error), ERR3 (port 3 communications error),
ERR4 (port 4 communications error)
Connector with clamps
5 V DC: 70 mA max. (supplied from Power Supply Unit)
80 g max.
CJ1W-B7A14 CJ1W-B7A04
64-point Output
64-point Input Unit
Inputs Outputs
Inputs Outputs
Inputs Outputs
Inputs Outputs
Specifications
I/O type
CJ1W-B7A22
64-point I/O Unit
Unit
Outputs
Outputs
Inputs
Inputs
NJ-series CPU Unit Hardware User's Manual (W500)