External Interfaces - Pro-face GP2301H-LG41-24V Installation Manual

4

External Interfaces

This interface is used to connect the GP to the host (PLC), via an RS-232C or RS-
422 cable. The connector is located inside the Cable Cover, on the circuit board.
• When connecting the GP2000H to an external device, be sure to use a
Digital Electronic Corporation GP2000H Option Cable.
• When attaching the optional Cable Cover, to ensure a water-resistant
seal, be sure to tighten all attachment screws to 0.5N•m.
• The SG and FG terminals are connected internally in the GP unit.
• When connecting the SG line to another device, be sure that the de-
sign of the system/connection does not produce a shorting loop.
DC24V I/F
This interface is for DC24V input.
1
2
3
When connecting the FG terminal, the unit will be more suscep-
tible to noise. Be sure to earth (ground) the unit.
Serial I/F
This RS-232C/RS-422 interface is used to connect the GP2000H with a Host unit.
20
2
• Since Pin#7's (VCC) DC5V output is unprotected, be sure to
keep the output current within the rated range.
• This unit's serial port is not isolated, therefore, it is important
that you connect the SG (#8) terminals. If this is not done, the
RS422 circuit may be damaged.
Pin # Signal Name
1 DC24V
2 0V
3 FG
Signal
Pin #
Name
1 RS
2 SD
3 CS
4 RD
5 CD
6 ER
19
7 VCC
8 SG
9 NC
10 NC
11 NC
12 NC
13 RDA
1
14 RDB
15 SDA
16 SDB
17 CSA
18 CSB
19 ERA
20 ERB
Meaning
Power input +24V
Power input 0V
Frame ground
Condition
Request to Send (RS-232C)
Send Data (RS-232C)
Clear to Send (RS-232C)
Receive Data (RS-232C)
Carrier Detect (RS-232C)
Enable Receive (RS-232C)
5V±5% Output 0.25A
Signal Ground
No Connection(Reserved)
No Connection(Reserved)
No Connection(Reserved)
No Connection(Reserved)
Receive Data A (RS-422)
Receive Data B (RS-422)
Send Data A (RS-422)
Send Data B (RS-422)
Clear to Send A (RS-422)
Clear to Send B (RS-422)
Enable Receive A (RS-422)
Enable Receive B (RS-422)