B7A Interface Unit Specifications - Omron NT30 Operation Manual

Connection of Expanded I/O
I/O
Wiring Type
Classification
16 output points Screw terminal Standard (Typ. 19.2 ms) NPN open collector
Module
16 input points Screw terminal Standard (Typ. 19.2 ms) NPN input
16 output points Screw terminal Standard (Typ. 19.2 ms) NPN open collector
8 input points/ Screw terminal Standard (Typ. 19.2 ms) Input:
8 output points 8 o tp t points

2-9-2 B7A Interface Unit Specifications

Transmission Delay
Time
100 mA/point 100 mA/point
PNP open collector
100 mA/point 100 mA/point
High speed (Typ. 3 ms) NPN open collector
100 mA/point 100 mA/point
PNP open collector
100 mA/point 100 mA/point
Standard (Typ. 19.2 ms) NPN open collector
50 mA/point 50 mA/point
High speed (Typ. 3 ms)
High speed (Typ. 3 ms)
100 mA/point 100 mA/point
High speed (Typ. 3 ms)
Output: NPN open O tp t: NPN open
High speed (Typ. 3 ms)
point point
Standard (Typ. 19.2 ms) Input:
Output: PNP open
point
Model
Number of I/O points
Processing on error occurrence
Indicator (LED)
Transmission method
Transmission distance
Transmission cable
Transmission delay time
Least input time (*2)
Power supply voltage
Insulation resistance
+ – Terminal
I/O Format
Configuration
+ only
– only
+ only
– only
– common
+ common
NPN input Input:
O tp t: + common Output: + common
collector collector
100 mA/
PNP input Input:
Output: + common
collector
100 mA/
NT-B7A16
Input: 8 points/16 points Output: 8 points/16
points
(total I/O = 32 points)
LOAD OFF (clear)/HOLD (latch)
Set with DIP switch SW1 pin 1
Lit in green: Operating
Lit in orange: Transmission error
Unidirectional time-sharing multiplex transmission
Standard: Max. 500 m
(100 m with common power supply)
High speed: Max. 100 m (*1)
(50 m with common power supply)
(*1)
2
VCTF 0.75 mm or greater
Standard (Typ. 19.2 ms)/High speed (Typ. 3 ms)
(Set with DIP switch SW1 pin 2)
Standard: 16 ms
High speed: 2.4 ms
21.6 to 26.4 V (24 VDC 10%)
100 MW or greater between all terminals together
and external reference (500 V)
Section 2-9
Model
B7A-R6B11
B7A-R6B31
B7A-R6F11
B7A-R6F31
B7A-R6B16
B7A-R6B36
B7A-R6F16
B7A-R6F36
– B7A-R6A52
– B7A-R6A57
B7AS-T6B1
B7AS-T6B6
B7AS-R6B11
B7AS-R6B31
B7AS-R6B16
B7AS-R6B36
– common B7AM-8B11
B7AM-8B31
B7AM-8B16
B7AM-8B36
– common B7AM-8F31
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