Instruction manual

1.3 Monitor and Control Interface
A) Remote serial interface
Protocol: RS-232C, 9600 baud rate, no parity, 8 data bits, 1 start bit, and 1 stop bit.
Connector: Rear panel, DB-9 male.
J10 Pinouts (RS-232C/422/485)
Pinouts (RS-232C/422/485)
Pin Function
1 Rx-
2 Rx+ (RS-232C)
3 Tx+ (RS-232C)
4Tx-
5GND
6 Alarm Relay: Common
7 Alarm Relay: Normally Open
8 Not Used
9 Alarm Relay: Normally Closed
B) Status Requests - Table 1.1 lists the status requests for the 1200-88 and briefly describes them.
Table 1.1 1200-88 Status R
e
equests
Status Requests
Command Syntax* Description
Command Status {aaS0} Returns {aaS0bbbcccddddeeeefg} where:
• bbb = GAIN 1 (range -25 to +25 dB)
• ccc = GAIN 2 (range -25 to +25 dB)
• dddd = LEVEL 1 (range <+5, +5, +6,..., +14, +15, >+15)
• eeee = LEVEL 2 (range <+5, +5, +6,..., +14, +15, >+15)
• f = 0 if NO CH1 peak alarm
= 1 if CH1 peak alarm
• g = 0 if NO CH2 peak alarm
= 1 if CH2 peak alarm
* PLEASE NOTE: The Address (aa) should only be used when RS-485 is selected.
1200-88 Manual, Rev. A Page 5 8/18/10