5.13.2.1. Digital Input

5.13.2.1. Digital Input

 

The following figure and table describe the pin configuration of the digital TBI. Each terminal block makes it possible to connect eight different input signals to the same common power.

 

 

Figure 5.83 Pin Configuration of the Digital Input Terminal Block of the Public 8-Point IO Board (BD587)

 

 

Table 5‑44 Pin Configuration of the Digital TBI of the Expansion Public IO Board (BD583)

Pin No.	Signal Name	Signal Description
1	COMIN	COMMON power (Ground DC24V or DC24V )
2	DI1	1st input of the 1st public input signal port * of the user
3	DI2	2nd input of the 1st public input signal port * of the user
4	DI3	3rd input of the 1st public input signal port * of the user
5	DI4	4th input of the 1st public input signal port * of the user
6	DI5	5th input of the 1st public input signal port * of the user
7	DI6	6th input of the 1st public input signal port * of the user
8	DI7	7th input of the 1st public input signal port * of the user
9	DI8	8th input of the 1st public input signal port * of the user

Note *) The 8-point input port of the BD587 board is fixed as the port #1.

 

The electrical specification of each input signal is as follows.

 

n  Input terminal component: AC input photocoupler

n  Rated input signal: DC24V / 5 mA for each point

n  Common power: 24VDC or 24VDC Ground / 40 mA

 

The user is required to connect the input signal according to the method, as shown in the figure below. First, connect the user power +24 V or the ground to the IO board (BD587. Then, connect each signal to the input pin according to the purpose.

 

 

Figure 5.84 Method for the Connection of the Input Signal of the Public 8-Point IO Board (BD587)