Rdgst? Input Reading Status Query; Relay; Relay? Relay Control Parameter Query; Relayst? Relay Status Query - Lakeshore 336 User Manual

142 c 6: Computer Interface Operation
HAPTER
RDGST?
Input
Format
Returned
Format
Remarks

RELAY

Input
Format
Example
RELAY?
Input
Format
Returned
Format
RELAYST?
Input
Format
Returned
Format
Model 336 Temperature Controller
Input Reading Status Query
RDGST? <input>[term]
a
<input>
option).
<status bit weighting>[term]
nnn
The integer returned represents the sum of the bit weighting of the input status flag
bits. A "000" response indicates a valid reading is present..
Bit Bit Weighting
0 1
4 16
5 32
6 64
7 128
Relay Control Parameter Command
RELAY <relay number>,<mode>,<input alarm>,<alarm type>[term]
n,n,a,n
<relay number>
<mode>
<input alarm>
<alarm type>
RELAY 1,2,B,0[term]–relay 1 activates when Input B low alarm activates.
Relay Control Parameter Query
RELAY? <relay number>[term]
n
<relay number>
<mode>,<input alarm>,<alarm type>[term]
n,a,n (refer to command for description)
Relay Status Query
RELAYST? <relay number>[term]
n
<relay number>
<status>[term]
n
Specifies which input to query: A–D (D1–D5 for 3062
Status Indicator
invalid reading
temp underrange
temp overrange
sensor units zero
sensor units overrange
Specifies which relay to configure: 1 or 2.
Specifies relay mode. 0 = Off, 1 = On, 2 = Alarms.
Specifies which input alarm activates the relay when the
relay is in alarm mode: A - D (D1–D5 for 3062 option).
Specifies the input alarm type that activates the relay when
the relay is in alarm mode. 0 = Low alarm, 1 = High Alarm,
2 = Both Alarms.
Specifies which relay to query: 1 or 2.
Specifies which relay to query: 1 or 2.
0 = Off, 1 = On.