Technical data

6
3.3.1 V24-port with power supply for readout top
ComuCont Dual readout top
+5V 1
GND 13
RXD 25
TXD 26
+5V
GND
RXD
TXD
3.3.2 V24-port to PC Sub-D 9- pole without Handshake
ComuCont Dual RS232 to PC Sub-D no Handshake
GND 13
RXD 25
TXD 26
GND
RXD
TXD
3.3.3 Inputs
The device desposes of two additional inputs.
1. Terminal block Pin 2. = /IN1
Input: „L“-active in relation to GND Pin 13
Level: TTL (Umax. +5V; Rmin. –0,3V)
(internal in 2.2k pull up to VCC)
ExcitationAnsteuerung e.g. via open drain driver.
2. Terminal block Pin 14. = IN2
Input: „H“-active in relation to GND Pin 13
Level: RS232 (Umax. +15V; Rmin. –15V)
3.4 RS 485 interface
Pin No. Function Pin Type
7 +5V / 20mA out power
8 485+ (B) in/ out
19 GND/Potential balance GND power
20 485- (A) in/ out
31 GND GND power
32 485/enable in
NOTE !! Bride Pins 31-32 for the activation of the RS485-interface.
3.4.1 Port RS485-to Terminal Memo Count NT
ComuCont Dual Terminal (Memo Count NT)
GND 19
485- (A) 20
485+ (B) 8
RS485 31
active 32
GND
485- (A)
485+ (B)