Omron E5ZD, Operation Manual

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19
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Signal connections: As shown below
Signal name Symbol Direction Pin
Field ground FG NA 1
Signal ground SG NA 7
Send data SD Output 2
Receive data RD Input 3
Send request RS Output 4
Send enable CS Input 5
Data set ready DR Input 6
Data terminal ready ER Output 20
•
Connection diagram: As shown below
You cannot connect the host computer directly to more than one E5ZD Unit via
the RS-232C connectors.
1 FG
7 SG
2 SD
3 RD
4 RS
5 CS
6 DR
20 ER
FG 1
SG 7
SD 2
RD 3
RS 4
CS 5
DR 6
ER 20
Pin no. Abbr. Abbr. Pin. no.
TX
RX
+V
Host
computer
RS-232C
E5ZD
RS-232C
Sheilded cable
LT1081CN or equivalent
•
Sync clock: Internal
•
Transmission length: 15 m max. (OMRON’s RS-232C optical interface
(Z3RN) can be used for longer transmissions.)
•
Applicable connectors: Plug, XM2A-2501; hood, XM2S-2511 (OMRON) or
equivalent
•
Connections: 1:1 only (when connecting directly between the host computer
and the E5ZD with RS-232C)
Caution The E5ZD’s RS-232C does not support a CD (carrier detect) signal from the host
computer. If CD support is required, pull it up at the host computer. CD is not re-
quired with OMRON’s FC-984 Factory Computer.
Caution Output circuits and contact input circuits are not electrically insulated from the
transmission circuits in 4- and 6-point controllers.
E5ZD-4
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-E / -6
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-E Hardware
Section 2-1
13
14 25
1
RS-232C Pin Assignments