OPTO 22 SNAP-PAC-S1, Руководство пользователя

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APPENDIX A: TECHNICAL SPECIFICATIONS
SNAP PAC S-Series User’s Guide 55
55
SNAP-PAC-S2 Connectors, Indicators, and Pinouts
Status and Activity LEDs
Indicator Description
TX0/RX0 Serial activity on port 0
TX1/RX1 Serial activity on port 1
TX2/RX2 Serial activity on port 2
TX3/RX3 Serial activity on port 3
STAT
Startup status and control
program operational status
ACT Ethernet network activity
LINK
Link established with
Ethernet network
RS-485 and RS-232 Ports
1
Pin RS-232 Signal
Direction
RS-485 Signal
Direction
1 TX Out TX/RX+ In/Out
2 RX In TX/RX– In/Out
3 COM
2
COM
2
4 RTS Out RX+ (4 wire) In
5 CTS In RX- (4 wire) In
6 DTR Out IRQ+ In
7 DCD In IRQ– In
1
CAUTION : Do not use communication port connectors from a
legacy OptoControl controller* . Legacy connectors will fit in a
SNAP-PAC-S2, but the pin orientation is different. Instead, use the
connectors supplied with the SNAP-PAC-S2 controller.
2
Isolated ground. (Each channel is isolated from the others.)
*Legacy OptoControl Controllers:
G4LC32
G4LC32SX
G4LC32ISA G4LC32ISA-LT
M4
M4IO M4RTU
SNAP-LCM4
SNAP-LCSX/PLUS
Independent 10/100 Mbps Ethernet
interfaces (RJ-45 connectors)
8–32 VDC input power
(pluggable 3-pin connector)
Ports 0 - 3 are each software
configurable as either
RS-232 (TX, RX, COM, DTR,
DCD RTS, CTS), or
RS-485 (2-wire, 4-wire,
optional termination,
optional biasing). Configure
ports in PAC Manager.
Controller reset button
STAT LED
Activity LED (Yellow)
Link LED (Green)
Serial activity LEDs
Serial activity LEDs
MicroSD card slot